The Commission Staff Working Document on Energy Storage complements the "Clean Energy for All Europeans" Package issued in end-November 2016 and provides a valuable contribution to the policy debate.
Ensuring European Energy Transition: key research and innovation actions need...Leonardo ENERGY
Konstantin Staschus and Sophie Dourlens will present the new ETIP SNET Implementation Plan (IP) 2017-2020 which is to be released on 5 October 2017
The Implementation Plan aims at listing the short-term priorities for R&I in ETIP SNET’s scope and as defined by the action 4 of the EU’s Strategic Energy Technology Plan: Increase the resilience, security and smartness of the energy system. It is based upon the ETIP-SNET R&I roadmap 2017-2026 which specifies the long-term R&I activities for the evolution of the European energy system and published in January 2017.
The Implementation Plan is the result of a long and comprehensive stakeholders consultation process which makes it widely recognised by all the European energy transition stakeholders.
Electric motors
Editorial - Policy solutions - Facts - Interview - Success stories - Improving market surveillance - Extended product approach - Motor maintenance and refurbishment - Accelerated replacement of less efficient motor stock - Developing powertrains for electric mobility free of critical raw materials - World landscape
The goal of DecarbEurope is to engage decision-makers in policy and industry with solutions that can, in a cost-effective manner, decarbonise Europe at the scale and speed that is needed to achieve our climate goals.
As an ecosystem of twenty sectors — and growing — the initiative connects technologies, policies, and markets. Partners of DecarbEurope commit themselves to common values of deep decarbonisation, cost-effectiveness, circularity, sector-coupling and consumer engagement.
Electric motors play a major role in all economic sectors (industrial, tertiary, residential, agricultural and in transportation), to deliver in a reliable and efficient way mechanical power to a huge variety of processes and services
ETIP SNET: For an innovative and successful European energy transition Leonardo ENERGY
The ETIP Smart Networks for Energy Transition (SNET) role is to guide Research, Development & Innovation (RD&I) to support Europe’s energy transition, more specifically, its mission is to set-out a vision for RD&I for Smart Networks for Energy Transition and engage stakeholders in this vision.
In this webinar the ETIP SNET role and main priorities will be introduced by its chairman Konstantin Staschus. Eric Peirano will present the new 10 year ETIP SNET Research & Innovation Roadmap 2017-2026. The roadmap provides a system view and addresses a scope larger than smart electricity grids by encompassing interactions with the gas and heat networks and focuses on integration of all flexibility solutions into the power system, including energy storage technologies.
IEA Bioenergy TCP: preparing the role of bioenergy in the future energy systemIEA-ETSAP
The document discusses IEA Bioenergy, which facilitates bioenergy commercialization. It functions within the IEA and has 24 member countries. IEA Bioenergy aims to provide clear verified bioenergy information through 11 tasks and projects on topics like biofuels and biorefining. The organization's roadmap sees bioenergy providing 17-22% of carbon savings by increasing roles in transport, power, and industry to support climate goals. IEA Bioenergy works to accelerate mature bioenergy and stimulate new technologies while ensuring sustainable feedstock delivery.
Global Overview of Energy Efficiency in Buildingsreeep
This document discusses energy efficiency in buildings globally. It notes that buildings account for 35% of global energy use, with consumption varying greatly between regions. There is significant potential for energy savings in buildings through approaches like building codes and standards, energy labeling programs, and clean development mechanisms. However, barriers like high upfront costs, lack of awareness, and weak policies still limit energy efficiency. The document outlines various international initiatives and projects aimed at promoting building energy efficiency.
Energy auditing and energy efficiency indicatorsCETN
Principles of Energy Auditing
Auditing process summary
Undertaking an Energy Audit in house
Commissioning a commercial Audit
Equipment for auditing
Results and dissemination
Barriers to implementation of energy efficiency
Questions and answer session
Addressing the Energy Efficiency First Principle in a National Energy and Cli...Leonardo ENERGY
When designing energy and climate policies, EU Member States have to apply the Energy Efficiency First Principle: priority should be given to measures reducing energy consumption before other decarbonization interventions are adopted. This webinar summarizes elements of the energy and climate policy of Cyprus illustrating how national authorities have addressed this principle so far, and outline challenges towards its much more rigorous implementation that is required in the coming years.
Ensuring European Energy Transition: key research and innovation actions need...Leonardo ENERGY
Konstantin Staschus and Sophie Dourlens will present the new ETIP SNET Implementation Plan (IP) 2017-2020 which is to be released on 5 October 2017
The Implementation Plan aims at listing the short-term priorities for R&I in ETIP SNET’s scope and as defined by the action 4 of the EU’s Strategic Energy Technology Plan: Increase the resilience, security and smartness of the energy system. It is based upon the ETIP-SNET R&I roadmap 2017-2026 which specifies the long-term R&I activities for the evolution of the European energy system and published in January 2017.
The Implementation Plan is the result of a long and comprehensive stakeholders consultation process which makes it widely recognised by all the European energy transition stakeholders.
Electric motors
Editorial - Policy solutions - Facts - Interview - Success stories - Improving market surveillance - Extended product approach - Motor maintenance and refurbishment - Accelerated replacement of less efficient motor stock - Developing powertrains for electric mobility free of critical raw materials - World landscape
The goal of DecarbEurope is to engage decision-makers in policy and industry with solutions that can, in a cost-effective manner, decarbonise Europe at the scale and speed that is needed to achieve our climate goals.
As an ecosystem of twenty sectors — and growing — the initiative connects technologies, policies, and markets. Partners of DecarbEurope commit themselves to common values of deep decarbonisation, cost-effectiveness, circularity, sector-coupling and consumer engagement.
Electric motors play a major role in all economic sectors (industrial, tertiary, residential, agricultural and in transportation), to deliver in a reliable and efficient way mechanical power to a huge variety of processes and services
ETIP SNET: For an innovative and successful European energy transition Leonardo ENERGY
The ETIP Smart Networks for Energy Transition (SNET) role is to guide Research, Development & Innovation (RD&I) to support Europe’s energy transition, more specifically, its mission is to set-out a vision for RD&I for Smart Networks for Energy Transition and engage stakeholders in this vision.
In this webinar the ETIP SNET role and main priorities will be introduced by its chairman Konstantin Staschus. Eric Peirano will present the new 10 year ETIP SNET Research & Innovation Roadmap 2017-2026. The roadmap provides a system view and addresses a scope larger than smart electricity grids by encompassing interactions with the gas and heat networks and focuses on integration of all flexibility solutions into the power system, including energy storage technologies.
IEA Bioenergy TCP: preparing the role of bioenergy in the future energy systemIEA-ETSAP
The document discusses IEA Bioenergy, which facilitates bioenergy commercialization. It functions within the IEA and has 24 member countries. IEA Bioenergy aims to provide clear verified bioenergy information through 11 tasks and projects on topics like biofuels and biorefining. The organization's roadmap sees bioenergy providing 17-22% of carbon savings by increasing roles in transport, power, and industry to support climate goals. IEA Bioenergy works to accelerate mature bioenergy and stimulate new technologies while ensuring sustainable feedstock delivery.
Global Overview of Energy Efficiency in Buildingsreeep
This document discusses energy efficiency in buildings globally. It notes that buildings account for 35% of global energy use, with consumption varying greatly between regions. There is significant potential for energy savings in buildings through approaches like building codes and standards, energy labeling programs, and clean development mechanisms. However, barriers like high upfront costs, lack of awareness, and weak policies still limit energy efficiency. The document outlines various international initiatives and projects aimed at promoting building energy efficiency.
Energy auditing and energy efficiency indicatorsCETN
Principles of Energy Auditing
Auditing process summary
Undertaking an Energy Audit in house
Commissioning a commercial Audit
Equipment for auditing
Results and dissemination
Barriers to implementation of energy efficiency
Questions and answer session
Addressing the Energy Efficiency First Principle in a National Energy and Cli...Leonardo ENERGY
When designing energy and climate policies, EU Member States have to apply the Energy Efficiency First Principle: priority should be given to measures reducing energy consumption before other decarbonization interventions are adopted. This webinar summarizes elements of the energy and climate policy of Cyprus illustrating how national authorities have addressed this principle so far, and outline challenges towards its much more rigorous implementation that is required in the coming years.
CCS has not taken off in Europe except for two projects in Norway due to lack of business case, public acceptance, and transport infrastructure concerns. However, the EU is renewing efforts to demonstrate CCS and develop CCU through programs like the SET Plan, Horizon 2020, and initiatives like ECCSEL, EERA CCS, and ACT that aim to accelerate CCS technologies through research collaboration and funding large demonstration projects. The document recaps opportunities for the GCC to collaborate with the EU on various CCS research infrastructure, projects, and targets outlined in the SET Plan to help realize emissions reduction goals.
Transforming the gcc power sector wouters cenii 17052016CETN
This document discusses the EU-GCC Clean Energy Network II, which aims to catalyze cooperation on clean energy technologies between the EU and GCC countries. It provides an overview of the network's goals and focus areas, which include renewable energy, energy efficiency, carbon capture and storage, regional electricity market integration, and climate change policy. The document then discusses some key global energy trends like falling renewable prices and new players entering the market. It also examines issues facing the electricity sector like integration of renewables, unbundling of utilities, and the rise of "prosumers." Additionally, it explores the importance of flexibility in future energy systems and some strategies for the power sector in GCC countries like increasing solar and wind, integrating grids,
This document summarizes information about natural gas usage in Europe and opportunities for advanced fuels produced from natural gas or carbon dioxide (CO2). It notes that natural gas usage in Europe has decreased in recent years but remains an important source of energy. Opportunities discussed include producing renewable gas through processes like fermentation and power-to-gas, using liquefied natural gas (LNG) to increase flexibility and access to storage, and producing advanced fuels like methanol, dimethyl ether (DME), and other chemicals and fuels from CO2 to enable carbon capture and reuse. The document promotes collaboration between the European Union and Gulf Cooperation Council countries to jointly develop clean energy technologies.
Energy efficiency, structural change and energy savings in the manufacturing ...Leonardo ENERGY
- Structural changes in manufacturing have significantly reduced energy consumption in Denmark since 1990 through growth in lower intensity sectors like food production.
- Energy efficiency improvements also contributed, especially from 2010-2014, lowering consumption alongside structural changes.
- A decomposition analysis found that decreases in consumption from 2006-2014 were mainly from structural effects in the first half, and efficiency gains in the latter half.
- Reported energy savings from Denmark's energy efficiency obligation scheme align with estimated efficiency improvements, though some autonomous gains likely occurred too.
This white paper discusses smart grids and proposes actions to support their development in France. Smart grids integrate intermittent renewable energies and new electricity uses through increased flexibility of generation and consumption. This represents an industrial revolution requiring international standardization, exemplary domestic energy market regulations, and incentives for the French electricity industry. The document outlines the ecosystem and objectives of smart grids, their ten integrated functions, and recommendations to ensure the international success of the French electricity sector.
Overview of Bioenergy Scenarios in TIMES modellingIEA-ETSAP
The document summarizes scenarios for bioenergy use in energy system models developed by IEA ETSAP. It provides an overview of the IEA ETP modeling framework and how bioenergy technologies are represented. It then gives two examples of bioenergy scenarios: 1) the IEA ETP scenarios which estimate a need for 145 EJ of sustainable bioenergy by 2060 for a 2 degree pathway, focusing on transport, and negative emissions technologies for below 2 degrees. 2) A study of Ireland's energy system which found implementing land use change emissions significantly impacted the role of bioenergy due to increased costs.
Introduction to the Energy Efficiency DirectiveLeonardo ENERGY
The Energy Efficiency Directive (EED) was adopted in 2012 and is one of the EU’s four key Directives addressing energy efficiency in stationary (i.e. non transport) end-uses (the others being the Energy Performance in Buildings Directive, The Ecodesign Directive and the Energy Labelling Directive). Given that the other Directives cover the energy performance of buildings and equipment the EED is designed to address energy savings opportunities that are not readily addressed by the other Directives. It has its origin in the preceding Energy Services Directive, which was repealed when the EED was adopted. The Energy Efficiency Directive establishes a set of binding measures intended to help the EU reach its 20% energy efficiency target by 2020. Under the Directive, all EU countries are required to use energy more efficiently at all stages of the energy chain from its production to its final consumption. EU countries were required to transpose the Directive's provisions into their national laws by 5 June 2014.
Clean Restructuring: design elements for low carbon wholesale marketsLeonardo ENERGY
The document discusses design elements for low-carbon wholesale markets, including an overview of a clean restructuring report from the 21st Century Power Partnership. It summarizes strategies for improving planning and procurement processes with high levels of clean energy, how to design market rules and operations, considerations for grid expansion and interconnection, and provides a case study on Mexico's clean energy restructuring efforts.
Energy efficiency trends in buildings in the EULeonardo ENERGY
- Energy consumption in buildings in the EU accounts for 43% of final energy consumption and 60% of electricity consumption. There is a need for ambitious policies to improve energy efficiency in buildings to meet 2030 targets and make Europe climate neutral by 2050.
- Energy consumption in buildings has been relatively stable since 2014 while GDP has risen. Residential buildings account for two-thirds of buildings consumption. Space heating is the dominant end-use but its consumption is declining, while appliances and lighting consumption are rising.
- The EU's energy efficiency index (ODEX) shows that household energy efficiency has improved 29% from 2000-2019, but progress slowed after 2014 mainly for space heating, water heating, and cooking. For
September 2019 edition of the DecarbEurope primer on electric vehicles, reviewing some of the major issues to address in the coming years:
* low-emission zones
* right-to-plug
* 150 kW network
This document summarizes key aspects of electricity generation and costs in the United States from the Annual Energy Outlook 2020 reference case. It finds that:
1) Natural gas and renewables increase as a share of electricity generation due to lower gas prices and declining costs of solar and wind capacity.
2) Electricity demand grows slowly at around 1% per year through 2050 due to economic growth offset by efficiency gains.
3) Natural gas combined cycle and solar PV are increasingly competitive technologies for new power plants based on their declining costs relative to revenues.
This document discusses renewable energy technologies and electricity generation trends in the United States. It provides the following key points:
1) In the reference case of the Annual Energy Outlook 2020, electricity generation from natural gas and renewables increases through 2050 as their costs decline, making them increasingly competitive compared to coal and nuclear power.
2) Electricity demand grows slowly at around 1% per year through 2050 due to modest economic growth and increased energy efficiency. Growth in rooftop solar also contributes to meeting demand.
3) By 2050, solar photovoltaics and onshore wind lead growth in renewable generation across regions and scenarios as their levelized costs decline over time, becoming economically competitive with other
The need for an updated European Motor Study - key findings from the 2021 US...Leonardo ENERGY
The document calls for an updated assessment of the electric motor system market in Europe, as the existing data is over 20 years old. It notes several changes in the market since then, including new efficient motor technologies, lower costs for power electronics, and increased digitization. The document highlights findings from a recent 2021 US motor study, which found motors to be older than previously estimated and significant improvements in load factors and variable speed drive penetration compared to past studies. It concludes that a new comprehensive assessment is needed to identify large potential electricity savings and inform policies to accelerate market transformation.
This document discusses green ammonia as a carbon-free alternative to conventional ammonia production. It outlines opportunities in three markets: ammonia as a commodity, for grid-scale energy storage, and as a transport fuel. Current ammonia production relies on natural gas and results in carbon emissions. The document proposes alternative methods for carbon-free ammonia synthesis using renewable energy, including electrolysis approaches using molten salts or solid electrolytes. Ammonia has advantages as an energy vector due to its energy density and ease of transport. The document reviews various technologies for using ammonia as a fuel.
The document discusses renewable energy and the European Union's policies and targets regarding renewable energy and energy efficiency. It provides details on:
- The EU's targets for 2020 and 2030 to increase the share of renewable energy to 20% and 27% respectively, and reduce greenhouse gas emissions by at least 20% and 40% from 1990 levels.
- Key EU energy strategies and policies to meet these targets, including the 2020 Energy Strategy, 2030 Energy Strategy, 2050 Energy Strategy, and funding for energy technology and innovation through Horizon 2020.
- The various renewable energy sources used in Europe like solar, wind, hydro, and biofuels, as well as strategies around energy storage, nuclear fusion, and a
The JRC develops models to analyze the energy system and related sectors. It uses several models together including JRC-EU-TIMES for energy system optimization, Dispa-SET for power system unit commitment, and others for demand, resources, etc. JRC-EU-TIMES models pathways for low-carbon technologies meeting Energy Union objectives. It was improved with updated renewable potentials, power-to-gas, biomass integration, and sensitivity analysis of policies and technologies. Dispa-SET optimizes power dispatch and was integrated into JRC-EU-TIMES through statistical analysis of various power system configurations.
Update on Australian TIMES Model DevelopmentIEA-ETSAP
The document provides an update on the development of the Australian TIMES (AUS-TIMES) energy system model by CSIRO, including an overview of CSIRO, the Australian energy landscape, the structure and capabilities of the AUS-TIMES model, and future plans to improve the model by adding additional technologies, distributed energy resources, and collaborating with other organizations. The AUS-TIMES model is used to analyze pathways for Australia's energy system out to 2050 across multiple sectors including electricity, transport, and considers high renewable energy penetration scenarios. Results from scenarios show significant increases in renewable energy and electricity supplied from renewable sources as
This webinar is dedicated to the findings of the 3rd issue of the PV Grid Parity Monitor for Residential Consumers.
The Photovoltaic Grid Parity Monitor analyses PV competitiveness with retail electricity prices for residential consumers and assesses local regulation for self-consumption of 21 cities in 12 countries (Australia, Brazil, Chile, France, Germany, Italy, Israel, Japan, Mexico, Spain, UK, USA).
It is based on a rigorous and transparent methodology and has used real and updated data provided by local PV installers, local PV associations and other reliable players from the PV industry. A specific and in-depth analysis of retail electricity rates for each of the 21 cities is included.
Given that PV Grid Parity represents a unique opportunity to develop a local and sustainable power generation technology in a cost-effective way, this Monitor aims at giving benchmark elements and good practice models to foster the development of this technology.
http://www.leonardo-energy.org/webinar/3rd-photovoltaic-grid-parity-monitor-residential-consumers-session-1
Energy Storage Training shows you the fundamentals of energy storage, future capability of energy storage, and diverse utilizations of energy storage in current world.
It is estimated that energy storage frameworks showcase will reach to 16 Billion by 2020. With expanding number of sustainable power source establishments, electric vehicle market, and advances in energy storage advertise in various applications, legitimate training is expected to enhance your insight into energy storage and distinctive advances or applications identified with present day energy storage frameworks in this day and age.
Audience:
3-day course designed for:
All professionals in the area of energy storage systems
Non-engineers looking to understand new approaches of storing energy
Individuals who are looking for technical training of energy storage systems
Project managers, quality managers, business managers and directors looking for a comprehensive training in energy storage application and operation
Energy storage producers who look for alternatives to improve their energy storage design and efficiency
Executives and managers who are looking to invest in energy storage area
Investors and contractors who plan to make investments in energy storage industry.
Technicians, operators, and maintenance personnel who are or will be working on energy storage projects
Training Objectives:
Understand Fundamentals of batteries and concept of storing energy
Understand the materials used in different types of energy storage and to recognize the operation
Recognize the parameters that control energy storage performance
Describe different application of energy storage in electrical engineering
Explain different application of energy storage in ground, air, or marine transportation systems
Understand the application of energy storage in photovoltaic
Troubleshoot challenges related to energy storage systems
Describe super capacitors, and their applications in the system
Differentiate thermal and hydrogen storage
Understand the fuel cells and different applications and types of fuel cells in the system
Training Outline:
Introduction to Energy Storage Systems
Energy Storage in Electrical Engineering
Energy Storage in Transportation
Energy Storage in Photovoltaic Systems
Energy Storage in Mobile Applications and Micro-Power Sources
Hydrogen and Thermal Storage
Lead Acid Batteries
Fuel Cells Principles
Electrochemical Storage
Super Capacitors
Hands On, Workshops and Group Activities
Sample Workshops and Labs for Energy Storage Training
Request More Information About Energy Storage Training
https://www.tonex.com/training-courses/energy-storage-training/
The SHAR-Q project aims to design a decentralized collaboration framework to connect distributed energy ecosystems through a peer-to-peer interoperability network. This will optimize the use of renewable energy sources and electrical energy storage through sharing capacities among participating actors. The solution will use an open interoperability gateway and API to connect smart energy resources operated by different actors. This will allow for collaborative energy management and provide users control over their contribution. The project involves 6 countries, 11 partners, and will test the approach across 3 pilot sites over 36 months with a 4 million euro budget.
El documento describe los pasos para crear una página web en PHP que realiza operaciones matemáticas con variables, muestra información sobre un nombre usando funciones de cadena, y presenta la fecha y hora actuales. Primero se declaran dos variables numéricas y se les asignan valores. Luego se realizan las cuatro operaciones básicas con esos números y se muestran los resultados. Después, se declara una variable con un nombre y se usan funciones de cadena con esa variable. Finalmente, se incluyen códigos para mostrar la fecha y hora actuales y los resultados final
CCS has not taken off in Europe except for two projects in Norway due to lack of business case, public acceptance, and transport infrastructure concerns. However, the EU is renewing efforts to demonstrate CCS and develop CCU through programs like the SET Plan, Horizon 2020, and initiatives like ECCSEL, EERA CCS, and ACT that aim to accelerate CCS technologies through research collaboration and funding large demonstration projects. The document recaps opportunities for the GCC to collaborate with the EU on various CCS research infrastructure, projects, and targets outlined in the SET Plan to help realize emissions reduction goals.
Transforming the gcc power sector wouters cenii 17052016CETN
This document discusses the EU-GCC Clean Energy Network II, which aims to catalyze cooperation on clean energy technologies between the EU and GCC countries. It provides an overview of the network's goals and focus areas, which include renewable energy, energy efficiency, carbon capture and storage, regional electricity market integration, and climate change policy. The document then discusses some key global energy trends like falling renewable prices and new players entering the market. It also examines issues facing the electricity sector like integration of renewables, unbundling of utilities, and the rise of "prosumers." Additionally, it explores the importance of flexibility in future energy systems and some strategies for the power sector in GCC countries like increasing solar and wind, integrating grids,
This document summarizes information about natural gas usage in Europe and opportunities for advanced fuels produced from natural gas or carbon dioxide (CO2). It notes that natural gas usage in Europe has decreased in recent years but remains an important source of energy. Opportunities discussed include producing renewable gas through processes like fermentation and power-to-gas, using liquefied natural gas (LNG) to increase flexibility and access to storage, and producing advanced fuels like methanol, dimethyl ether (DME), and other chemicals and fuels from CO2 to enable carbon capture and reuse. The document promotes collaboration between the European Union and Gulf Cooperation Council countries to jointly develop clean energy technologies.
Energy efficiency, structural change and energy savings in the manufacturing ...Leonardo ENERGY
- Structural changes in manufacturing have significantly reduced energy consumption in Denmark since 1990 through growth in lower intensity sectors like food production.
- Energy efficiency improvements also contributed, especially from 2010-2014, lowering consumption alongside structural changes.
- A decomposition analysis found that decreases in consumption from 2006-2014 were mainly from structural effects in the first half, and efficiency gains in the latter half.
- Reported energy savings from Denmark's energy efficiency obligation scheme align with estimated efficiency improvements, though some autonomous gains likely occurred too.
This white paper discusses smart grids and proposes actions to support their development in France. Smart grids integrate intermittent renewable energies and new electricity uses through increased flexibility of generation and consumption. This represents an industrial revolution requiring international standardization, exemplary domestic energy market regulations, and incentives for the French electricity industry. The document outlines the ecosystem and objectives of smart grids, their ten integrated functions, and recommendations to ensure the international success of the French electricity sector.
Overview of Bioenergy Scenarios in TIMES modellingIEA-ETSAP
The document summarizes scenarios for bioenergy use in energy system models developed by IEA ETSAP. It provides an overview of the IEA ETP modeling framework and how bioenergy technologies are represented. It then gives two examples of bioenergy scenarios: 1) the IEA ETP scenarios which estimate a need for 145 EJ of sustainable bioenergy by 2060 for a 2 degree pathway, focusing on transport, and negative emissions technologies for below 2 degrees. 2) A study of Ireland's energy system which found implementing land use change emissions significantly impacted the role of bioenergy due to increased costs.
Introduction to the Energy Efficiency DirectiveLeonardo ENERGY
The Energy Efficiency Directive (EED) was adopted in 2012 and is one of the EU’s four key Directives addressing energy efficiency in stationary (i.e. non transport) end-uses (the others being the Energy Performance in Buildings Directive, The Ecodesign Directive and the Energy Labelling Directive). Given that the other Directives cover the energy performance of buildings and equipment the EED is designed to address energy savings opportunities that are not readily addressed by the other Directives. It has its origin in the preceding Energy Services Directive, which was repealed when the EED was adopted. The Energy Efficiency Directive establishes a set of binding measures intended to help the EU reach its 20% energy efficiency target by 2020. Under the Directive, all EU countries are required to use energy more efficiently at all stages of the energy chain from its production to its final consumption. EU countries were required to transpose the Directive's provisions into their national laws by 5 June 2014.
Clean Restructuring: design elements for low carbon wholesale marketsLeonardo ENERGY
The document discusses design elements for low-carbon wholesale markets, including an overview of a clean restructuring report from the 21st Century Power Partnership. It summarizes strategies for improving planning and procurement processes with high levels of clean energy, how to design market rules and operations, considerations for grid expansion and interconnection, and provides a case study on Mexico's clean energy restructuring efforts.
Energy efficiency trends in buildings in the EULeonardo ENERGY
- Energy consumption in buildings in the EU accounts for 43% of final energy consumption and 60% of electricity consumption. There is a need for ambitious policies to improve energy efficiency in buildings to meet 2030 targets and make Europe climate neutral by 2050.
- Energy consumption in buildings has been relatively stable since 2014 while GDP has risen. Residential buildings account for two-thirds of buildings consumption. Space heating is the dominant end-use but its consumption is declining, while appliances and lighting consumption are rising.
- The EU's energy efficiency index (ODEX) shows that household energy efficiency has improved 29% from 2000-2019, but progress slowed after 2014 mainly for space heating, water heating, and cooking. For
September 2019 edition of the DecarbEurope primer on electric vehicles, reviewing some of the major issues to address in the coming years:
* low-emission zones
* right-to-plug
* 150 kW network
This document summarizes key aspects of electricity generation and costs in the United States from the Annual Energy Outlook 2020 reference case. It finds that:
1) Natural gas and renewables increase as a share of electricity generation due to lower gas prices and declining costs of solar and wind capacity.
2) Electricity demand grows slowly at around 1% per year through 2050 due to economic growth offset by efficiency gains.
3) Natural gas combined cycle and solar PV are increasingly competitive technologies for new power plants based on their declining costs relative to revenues.
This document discusses renewable energy technologies and electricity generation trends in the United States. It provides the following key points:
1) In the reference case of the Annual Energy Outlook 2020, electricity generation from natural gas and renewables increases through 2050 as their costs decline, making them increasingly competitive compared to coal and nuclear power.
2) Electricity demand grows slowly at around 1% per year through 2050 due to modest economic growth and increased energy efficiency. Growth in rooftop solar also contributes to meeting demand.
3) By 2050, solar photovoltaics and onshore wind lead growth in renewable generation across regions and scenarios as their levelized costs decline over time, becoming economically competitive with other
The need for an updated European Motor Study - key findings from the 2021 US...Leonardo ENERGY
The document calls for an updated assessment of the electric motor system market in Europe, as the existing data is over 20 years old. It notes several changes in the market since then, including new efficient motor technologies, lower costs for power electronics, and increased digitization. The document highlights findings from a recent 2021 US motor study, which found motors to be older than previously estimated and significant improvements in load factors and variable speed drive penetration compared to past studies. It concludes that a new comprehensive assessment is needed to identify large potential electricity savings and inform policies to accelerate market transformation.
This document discusses green ammonia as a carbon-free alternative to conventional ammonia production. It outlines opportunities in three markets: ammonia as a commodity, for grid-scale energy storage, and as a transport fuel. Current ammonia production relies on natural gas and results in carbon emissions. The document proposes alternative methods for carbon-free ammonia synthesis using renewable energy, including electrolysis approaches using molten salts or solid electrolytes. Ammonia has advantages as an energy vector due to its energy density and ease of transport. The document reviews various technologies for using ammonia as a fuel.
The document discusses renewable energy and the European Union's policies and targets regarding renewable energy and energy efficiency. It provides details on:
- The EU's targets for 2020 and 2030 to increase the share of renewable energy to 20% and 27% respectively, and reduce greenhouse gas emissions by at least 20% and 40% from 1990 levels.
- Key EU energy strategies and policies to meet these targets, including the 2020 Energy Strategy, 2030 Energy Strategy, 2050 Energy Strategy, and funding for energy technology and innovation through Horizon 2020.
- The various renewable energy sources used in Europe like solar, wind, hydro, and biofuels, as well as strategies around energy storage, nuclear fusion, and a
The JRC develops models to analyze the energy system and related sectors. It uses several models together including JRC-EU-TIMES for energy system optimization, Dispa-SET for power system unit commitment, and others for demand, resources, etc. JRC-EU-TIMES models pathways for low-carbon technologies meeting Energy Union objectives. It was improved with updated renewable potentials, power-to-gas, biomass integration, and sensitivity analysis of policies and technologies. Dispa-SET optimizes power dispatch and was integrated into JRC-EU-TIMES through statistical analysis of various power system configurations.
Update on Australian TIMES Model DevelopmentIEA-ETSAP
The document provides an update on the development of the Australian TIMES (AUS-TIMES) energy system model by CSIRO, including an overview of CSIRO, the Australian energy landscape, the structure and capabilities of the AUS-TIMES model, and future plans to improve the model by adding additional technologies, distributed energy resources, and collaborating with other organizations. The AUS-TIMES model is used to analyze pathways for Australia's energy system out to 2050 across multiple sectors including electricity, transport, and considers high renewable energy penetration scenarios. Results from scenarios show significant increases in renewable energy and electricity supplied from renewable sources as
This webinar is dedicated to the findings of the 3rd issue of the PV Grid Parity Monitor for Residential Consumers.
The Photovoltaic Grid Parity Monitor analyses PV competitiveness with retail electricity prices for residential consumers and assesses local regulation for self-consumption of 21 cities in 12 countries (Australia, Brazil, Chile, France, Germany, Italy, Israel, Japan, Mexico, Spain, UK, USA).
It is based on a rigorous and transparent methodology and has used real and updated data provided by local PV installers, local PV associations and other reliable players from the PV industry. A specific and in-depth analysis of retail electricity rates for each of the 21 cities is included.
Given that PV Grid Parity represents a unique opportunity to develop a local and sustainable power generation technology in a cost-effective way, this Monitor aims at giving benchmark elements and good practice models to foster the development of this technology.
http://www.leonardo-energy.org/webinar/3rd-photovoltaic-grid-parity-monitor-residential-consumers-session-1
Energy Storage Training shows you the fundamentals of energy storage, future capability of energy storage, and diverse utilizations of energy storage in current world.
It is estimated that energy storage frameworks showcase will reach to 16 Billion by 2020. With expanding number of sustainable power source establishments, electric vehicle market, and advances in energy storage advertise in various applications, legitimate training is expected to enhance your insight into energy storage and distinctive advances or applications identified with present day energy storage frameworks in this day and age.
Audience:
3-day course designed for:
All professionals in the area of energy storage systems
Non-engineers looking to understand new approaches of storing energy
Individuals who are looking for technical training of energy storage systems
Project managers, quality managers, business managers and directors looking for a comprehensive training in energy storage application and operation
Energy storage producers who look for alternatives to improve their energy storage design and efficiency
Executives and managers who are looking to invest in energy storage area
Investors and contractors who plan to make investments in energy storage industry.
Technicians, operators, and maintenance personnel who are or will be working on energy storage projects
Training Objectives:
Understand Fundamentals of batteries and concept of storing energy
Understand the materials used in different types of energy storage and to recognize the operation
Recognize the parameters that control energy storage performance
Describe different application of energy storage in electrical engineering
Explain different application of energy storage in ground, air, or marine transportation systems
Understand the application of energy storage in photovoltaic
Troubleshoot challenges related to energy storage systems
Describe super capacitors, and their applications in the system
Differentiate thermal and hydrogen storage
Understand the fuel cells and different applications and types of fuel cells in the system
Training Outline:
Introduction to Energy Storage Systems
Energy Storage in Electrical Engineering
Energy Storage in Transportation
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Hands On, Workshops and Group Activities
Sample Workshops and Labs for Energy Storage Training
Request More Information About Energy Storage Training
https://www.tonex.com/training-courses/energy-storage-training/
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The European Copper Institute supports the European Commission's Green Paper on sustainable energy. In a lengthy document, it provides feedback on key areas addressed in the Green Paper, including:
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In this Energy Flash we give an overview of the package and discuss the challenges ahead and the many controversies surrounding the Clean Energy Package.
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We are looking for French partners to build a project consortium about topics related to power-to-x. Industry and academia are welcome. Please let me know if you are interested.
The DIHK welcomes the Green Paper's debate on energy policy challenges facing the EU. However, the EU's response should avoid increased state intervention in energy markets and new forms of bureaucracy. The principle of a market-driven and competition-based energy mix should be upheld. While strengthening the EU Commission's role in external energy policy could help exploit the EU's position as a large energy market, internally the focus should be on improving cooperation and regulating coordination between member states. New EU institutions are unnecessary for sharing experiences on regulatory systems and infrastructure protection standards. The EU must also work to include other major emitters in meaningful greenhouse gas reductions to make climate protection policies effective.
Presentation del Clean Energy Package de la Comisión European en el Winter Seminar de Funseam 2016, organizado por Funseam y Gas Natural Fenosa
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This document provides CEEP's position on the European Commission's Green Paper "A European Strategy for Sustainable, Competitive and Secure Energy". CEEP welcomes the Green Paper as the beginning of developing a more integrated European energy policy. CEEP expects the Commission's proposed "Strategic EU energy reviews" to further develop an integrated approach. CEEP believes the existing European energy legislation should be fully implemented before considering new regulations. CEEP also highlights the need to maintain a diverse set of energy market participants and balance effective, affordable and sustainable energy sources.
This document provides an overview of energy storage technologies and their potential to transform the power sector. It discusses how energy storage can help integrate renewable energy sources by addressing intermittency issues. A variety of energy storage technologies are described along with their characteristics and applications across the different segments of the power sector value chain. The economics of energy storage technologies are evaluated based on costs and potential benefits. Cost reductions through innovation and the ability to provide multiple stacked services are seen as important factors in developing a favorable business case for energy storage adoption. Regulatory reforms are also highlighted as necessary to fully capture the value that energy storage can provide across the entire power system.
Energy Storage Tracking TechnologiesTransform Power SectorSeda Eskiler
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Presented by Vladimir Iglovikov:
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Metrics: The success indicators such as downloads, daily active users, GitHub stars, and financial contributions.
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Website: https://albumentations.ai/
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This session provides introduction to UiPath Communication Mining, importance and platform overview. You will acquire a good understand of the phases in Communication Mining as we go over the platform with you. Topics covered:
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• Demo on Platform overview
• Q/A
2. 2
Table of contents
EXECUTIVE SUMMARY 3
1. The context and challenges for energy storage 5
2. Energy storage - relevant energy system developments 6
2.1 Energy storage supporting the electricity generation profile of variable RES 6
2.2 Energy Storage enabling energy efficiency 6
3. Energy storage technologies 8
3.1 Storage characteristics for the market – capacity, power and response time 12
3.2 Storage characteristics for the market – the location 13
3.3 The role of innovation and cost of technology 13
4. Regulatory framework and markets for energy storage 16
4.1 Storage within the electricity system 17
4.2 Storage connected to the electricity system and sectorial integration 18
4.2.1 Industry and refineries 19
4.2.2 Ammonia and fertilisers 20
4.2.3 Electromobility 20
4.2.4 Thermal storage 21
4.2.5 Storage in hydrogen 21
5. The way forward for energy storage 22
5.1 Principles supporting the market development for energy storage 22
5.2 Final remarks 25
3. 3
Energy storage – the role of electricity
EXECUTIVE SUMMARY
Energy storage is a key component in providing flexibility and supporting renewable energy
integration in the energy system. It can balance centralized and distributed electricity generation,
while also contributing to energy security. Energy storage will supplement demand response,
flexible generation and provide a complement to grid development. Energy storage can also
contribute to the decarbonisation of other economic sectors, and support the integration of higher
shares of variable renewable energy (variable RES) in transport, buildings or industry. Therefore,
energy storage can make an overarching contribution to the implementation of the Energy Union,
in particular through its contribution to the internal market and decarbonisation dimensions.
This Staff Working Document outlines the role of energy storage in relation to electricity, presents
what technologies and innovative solutions appear more suited for the different purposes and
discusses possible policy approaches. Several of these aspects are considered in the framework of
the clean energy for all Europeans package. The Market Design Initiative provides a framework for
a level playing field for all flexibility solutions in the electricity grid. At the same time the proposed
recast Renewable Energy Directive supports energy storage as a mean to integrate renewables, in
relation to the right of consumers to produce and self-consume electricity, as well as in relation to
renewable fuels of non-biological origin. Furthermore, this document offers a coherent basis for
future initiatives and reflections on integration of renewable electricity in other economic sectors.
This document provides an overview of the existing energy storage technologies, which have
evolved significantly over the last few years. Currently, pumped hydro storage represents the most
mature technology but batteries, compressed air, heat storage and hydrogen contribute with an
increasing quantity of services to the electricity grid and to the energy system. The set of services
that a storage technology can provide in a defined location determines which solution is most
suitable. Several different storage technologies have developed rapidly over the last few years, but
further technological progress and cost competitiveness remain essential for large scale
deployment. Therefore, the development of storage technologies is an important component of
the Strategic Energy Technology Plan and is also identified as a key priority in the Communication
on accelerating Clean Energy Innovation.
Subsequently, the document addresses market aspects and regulations that allow energy storage
to effectively contribute to the energy system. An increasing quantity of electricity storage could
reduce extreme price fluctuations. EU level harmonisation of the treatment of storage in the
energy system would be beneficial, as it would support an EU wide energy market and move
towards integration with other energy markets.
The proposed market design initiative introduces a number of elements into the electricity
markets which can facilitate investments in energy storage. Investments should be based on
market revenue, rather than subsidies, and should be enabled by improved predictability in
relation to the contracted services and allow storage facilities to build on the various value streams
4. 4
that they provide (e.g. ancillary, including balancing services to the grid, avoidance of curtailed
variable electricity, decarbonisation of other sectors). Innovative technologies still in development
phase would benefit from further efforts to bring these new solutions to the markets, with
consideration to the maturity of the technology and relevant state aid rules.
Storage, together with other resources like demand response, should be considered in grid
planning, both at transmission and distribution level. The access to grid connection should be
ensured in the same way as for other flexibility solutions by the grid operator. Market, regulatory
and administrative barriers to installation and operation of storage facilities should be removed. In
the context of participation in the energy markets, a level playing field for storage should be
established among storage operations across EU.
Storage operators should be allowed to provide multiple services to electricity system operators
and also simultaneously participate in other commercial activities with other economic actors (eg.
chemical industry). Some specific services provided by storage facilities to the grid operators can
be seen as alternatives to grid extension, and this should be reflected in the investment analysis.
Storage services should be traded in competitive markets, where new flexibility products would
provide a market value reflecting the system benefits of storage. In line with the market design
initiative proposal, owners of storage facilities should be independent from the grid operators,
apart from clearly defined exceptions.
Finally, to allow energy storage to play an effective role in relation to other economic sectors, an
integrated approach would be needed. Various mechanisms can support markets for the
integrated solutions, such as power to gas or liquids, power-to-heat, or integration of variable
renewable electricity in mobility or as feedstock in industry (e.g. refining, fertilisers, mobility). Such
solutions will support both decarbonisation in various economic sectors and provide additional
economic opportunities for energy storage.
5. 5
Energy storage - the role of electricity
1. The context and challenges for energy storage
In the transition to a low carbon economy, the targets of at least 27% of RES, together with the
proposed 30% target on energy efficiency and at least 40% reduction in greenhouse gas emissions
by 2030 will be key drivers in achieving the Energy Union policy goals. Moving in this direction
implies a higher share of variable renewable energy in electricity generation and further
electrification of the energy system. The share of the renewable energy in the electricity sector is
expected to increase from 27% today to close to 50% in 20301
, with large quantities of variable
RES. A cost-efficient integration of this amount of variable RES in the energy system will be key to a
successful energy transition and economical operation of generation assets.
Energy storage has contributed to the operation of the electricity system already over decades,
based on the technical and economic grounds of arbitrage, storing electricity2
during low
electricity demand and releasing it back into the grid during high demand, typically over a daily
cycle. Given that in the past the electricity generation mix relied almost exclusively on fossil fuels,
nuclear and hydro, and variability of generation was not a major challenge, the necessity for
energy storage was more limited and less economically attractive. The global installed capacity in
electricity storage was estimated in 2014 in the range of 171 GW3
, approximately 2% of total
generation capacities. Further, 16 GW of new storage capacity is announced or under construction
globally. The main energy storage technology is pumped hydro storage (PHS), which counts for
over 97% of the existing electricity storage capacity.
However, the situation is changing with the growing share of renewables in electricity generation,
and this is particularly the case in Europe. It can also be an important element in neighbouring
countries with large renewables development potential. In the future system energy storage will
supplement demand response, smart grids and flexible generation. The new generation patterns
change the requirements on storage facilities. At the same time these changes open up new
opportunities to utilise energy storage, by linking electricity sector developments with
decarbonisation efforts in industry and transport.
An improved regulatory framework as proposed under the market design initiative (MDI) could
contribute to higher efficiency at energy system level, including storage and more efficient use of
variable RES. Energy storage could simultaneously reduce the volatility of the electricity prices,
1
European Commission - Fact Sheet, http://europa.eu/rapid/press-release_MEMO-15-5181_en.htm
2
The reference to energy storage is defined in this document as in the MDI proposal: "Energy storage in the electricity
system means the deferring of an amount of the energy that was generated to the moment of use, either as final en-
ergy or converted into another energy carrier."
3
DOE Global Energy Storage Database / Sandia National Laboratories,
http://www.energystorageexchange.org/projects , extracted 6 December 2016.
6. 6
reduce the cost of the electricity system4
and facilitate a higher share of variable RES in the energy
system. The opportunities provided by energy storage are increasingly supported by the
momentum in research and innovation making the European economy more competitive.
2. Energy storage - relevant energy system developments
The main driver towards larger structural changes in the electricity system is the increasing
variable renewable electricity generation. Renewable energy has been supported through policy,
and its recent cost reduction brings it towards cost-competitiveness on the energy markets. The
cost of renewable technologies have reduced significantly over the last few years5
, with a 80%
reduction for solar panels (PV) between 2009-2015, and a 30-40% reduction for wind turbines in
the same period. This has already made some RES electricity solutions cost-competitive, and
reinforces the credibility of the projections regarding a central role for renewables in the new
energy system.
2.1 Energy storage supporting the electricity generation profile of variable RES
A good mix of RES electricity (in particular of wind and solar) can in itself already contribute to a
balanced operation over certain timeframes. This is becoming important with the growing share of
variable RES. The typical generation profile of PV has a well-established daily cycle, with a peak
around noon and low generation over the darker part of a day. In addition, varying cloud coverage
can cause significant changes in electricity generation even over the course of minutes, which
presents a specific challenge to the grid. However, the annual variation in PV generation is typically
not in line with the annual consumption profile.
The annual profile of wind generation roughly matches the annual consumption profile in some
geographical locations, with year-round and higher generation during the winter period. Wind
generation fluctuates significantly over longer periods, typically over days or weeks, and needs to
be balanced. Energy storage can ensure (i) effective operation of the grid, (ii) fast reaction times in
case of rapid power drops or surges, and (iii) linking of various grid elements for a cost-effective
balancing of variable RES over various timeframes.
2.2 Energy Storage enabling energy efficiency
Both distributed and centralised renewable electricity generation is expected to increase.
Consumers will increasingly participate in the energy markets as 'prosumers', i.e. they generate
electricity for their own use and rely on the electricity grid for the residual balance. To cope with
the challenge of variability from distributed RES, consumers could choose between relying
exclusively on the grid or combining grid with local storage solutions. The cost of the grid can be
4
The "cost of the electricity system" refers to the total cost of the electricity system from generation to consumer,
including the generation assets, the grid and other necessary equipment, and includes both capital cost and opera-
tional cost.
5
International Renewable Energy Agency (2016), The Power to change: Solar and Wind cost reduction potential to
2025
7. 7
optimised by using various technologies in addition to the copper cable. Energy storage could
contribute to such cost-efficient use of all assets within the electricity system.
Energy consumption patterns could change relatively fast, with buildings shifting their energy
consumption to electricity (ventilation, heating and cooling) and electromobility becoming more
common. The general trend seems to be that there will be an increase in the electricity demand6
,
and therefore the electricity system and buildings should be planned taking into account these
new consumption patterns and the increasing share of variable RES. This planning should
incorporate the use of new and innovative solutions that storage and sectorial integration brings,
contributing to energy efficiency gains at system level and emission reductions. The transition
period towards the new energy system should be seen as an opportunity to optimise the electricity
system in line with new needs while adapting the existing grids. The transition will carry initial
costs but good planning and innovative solutions in the new energy system will result in lower total
cost of the system over time.
Energy storage brings benefits to the electricity system in a similar way as demand response,
flexible generation and grid extension (including interconnections): it helps shave the peaks and
provides flexibility solutions to market participants. Furthermore, storage can help reduce
emissions from the conventional electricity generation: on the one hand by facilitating a more
efficient use of the existing assets, on the other hand by reducing the carbon content of the fuels
(e.g. blending of the natural gas with renewable hydrogen and synthetic methane).
Using renewable electricity and synthetic fuels in sectors like transport, agriculture or industry, is a
viable pathway to decarbonise the energy system in a broader sense. For this sectorial integration
to happen there is a need to link these different markets. This will bring benefits to the electricity
sector, as every step towards the decarbonisation objectives will have an increasing marginal cost if
all the flexibility has to be found within the electricity sector itself. Thanks to sectorial integration,
some flexibility and storage solutions could come from thermal systems, gas infrastructures,
industrial feedstock and agriculture (see Figure 1), while at the same time decarbonising those
sectors where alternative carbon-reduction measures could be missing, limited or costly.
6
1. European Commission (2016), Impact assessment, COM(2016) 861 final: p.24: "Moreover, electricity demand will
progressively reflect the increasing electrification of transport and heating. "; p.39: Table indicating increase from
3090 TWh in 2015 to 3397 TWh in 2030.
2. European Commission (2014), A policy framework for climate and energy in the period from 2020 up to 2030,
(COM(2014) 15), p.145; "Electricity demand rises 12% between 2010 and 2030, increasing further through 2050 (+32%
on 2010).",
8. 8
Figure 1. Illustration of flexibility components in the electricity system.
Along with reductions in greenhouse gas (GHG) emissions and increased RES share targets, one of
the key objectives within the Energy Union strategy7
is energy efficiency. "Energy efficiency first" is
already applied in EU initiatives at the level of products, industry, transport and buildings. A
broader approach regarding resource efficiency, putting together energy efficiency and RES
measures, can provide synergies in the integrated operation of electricity, gas and heat networks.
3. Energy storage technologies
Energy can be stored using several different technologies: mechanical, thermal, chemical, electro-
chemical and electrical (see figure 2). The most important functional characteristic of a storage
technology is the combination of power and capacity. Together these establish the potential set of
suitable applications for a specific storage technology. In addition, the speed of reaction (response
time) of a storage technology is an increasingly important factor for the electricity system. These
three characteristics, together with efficiency and cost have a direct impact on the business cases
through the revenue that the storage can generate on the markets through services and benefits.
7
European Commission (2015), A framework strategy for a resilient energy union with a forward-looking climate
change policy, COM(2015) 80
9. 9
CAES = Compressed Air Energy Storage; LAES = Liquid Air Energy Storage; SNG = Synthetic Natural Gas.
Figure 2. Example of energy storage types (source: World Energy Council)
Many methods to store energy exist. A selection of the main energy storage technologies8
is
presented below:
1) Mechanical storage technologies store energy in various forms of kinetic and/or potential
energy:
a) Pumped hydro storage (PHS) is the most mature technology, and accounts for a major share
of storage capacity globally (around 97%). The response time for pumped hydro systems
varies, with the older facilities having slower response times and the most modern facilities
being able to respond within seconds.
b) Compressed air energy storage (CAES) uses electricity to compress air which is then stored
either in underground caverns or above-ground vessels. The stored air is then expanded
through turbines to generate electricity again. In adiabatic CAES systems the heat
generated during compression is stored to be used at the expansion. The characteristics of
CAES are similar to PHS, although CAES is a recent application and only two facilities are
currently in operation.
c) A variant of air-based storage is liquid air energy storage (LAES), which uses electricity to
drive an air liquefier to produce liquid air which is then stored in insulated vessels. The
stored air is then vaporised and expanded through turbines to generate electricity again.
8
World Energy Council (2016), E-storage: Shifting from cost to value, wind and solar applications
10. 10
This technology is currently at the level of pre-commercial demonstration. Viable
efficiencies may require coupling with heat or cold applications;
d) Flywheels store electrical energy as kinetic energy by increasing the rotational speed of a
disc rotor on its axis. Flywheels have a very short response time, usually in the order of
milliseconds to seconds making them suitable for frequency control.
2) Thermal storages convert electricity to heat, which is then stored in various types of materials.
Thermal storages can use resistive heating or heat pumps/engines to convert electrical energy
to heat. This heat is then converted back to electricity through steam turbines. Heat could also
come from cogeneration plants. Thermal storage can have large capacity and fast response
time, while the retrieval response time is similar to the conventional steam turbines:
a) Thermo-chemical storage uses a chemical which can store heat through changes in its
chemical bonds. The initial chemical is heated, which alters the chemical bonds and
absorbs the energy in the heat. The chemical can then be "discharged" through a reversed
chemical reaction which results in heat. This heat is then used to generate steam for re-
electrification. The chemical is typically some kind of salt that can be hydrated.
b) Sensible thermal storage relies on changing the temperature of a storage medium. This can
be water, rock, earth, or anything else that can be heated and which returns a large share
of the initial energy when cooled while it generate steam for re-electrification purposes.
c) Latent thermal storage relies on melting or crystallisation of a material (e.g. paraffin) to
store heat. The materials in this application have a higher storage capacity within a small
temperature range compared to sensible thermal storage materials.
3) Chemical storage can provide storage services over various timeframes, depending on the
specific application. Chemical storage allows cost-effective separation of the power and the
energy components in an energy storage application. This allows for easier adaptation to the
changing storage needs over time. The characteristics of chemical storage technologies can
also support the linking of economic sectors, and the integration of heat, gas and electricity
infrastructure. Chemical storage is mostly based on hydrogen production, at least as a first
step. The hydrogen produced can be further processed according to the needs of, for example,
ammonia, methane or methanol, or other chemicals used in industry. When the hydrogen is
further processed to methane, it is commonly called synthetic natural gas (SNG), as methane is
the main energy carrying content in natural gas. In such cases, carbon may come from CO2
captured from large combustion plants such as power stations or industrial facilities.
Modern electrolysers (i.e. units where electricity splits water into hydrogen and oxygen
through the process called electrolysis) used for hydrogen production have fast response time
and are currently installed in multi-megawatt sizes. The produced hydrogen can be stored in a
variety of ways, from small cylinders or tanks to large underground storage facilities. The
hydrogen and derived chemicals produced could fuel gas turbines, fuel cells or combustion
engines to generate electricity, or used as feedstock in industrial chemical processes.
4) Batteries are a group of electro-chemical storage solutions. Their characteristics depend on the
specific battery technology that is applied. Batteries are generally suitable for relatively short
duration of storage, and they have in most cases very fast response times (see Figure 3).
Batteries are therefore especially suitable for medium or low-voltage distribution networks.
11. 11
Below the main characteristics of a few different battery types are presented:
a) Lithium-ion (Li-ion) batteries are emerging as one of the fastest growing battery
technologies for grid applications. They have significantly benefited from RD&D investment
aimed at commercialising their use in the electronics and transport applications. They are
presently deployed globally in a variety of applications, from small scale distributed systems
(1-10 kilowatt) to large fast-responding systems for frequency services and energy time
shifting (1-50 megawatt).
b) Lead-acid batteries are a simple solution, where lead plates are suspended in sulphuric acid
electrolyte, which can be charged and discharged. This is one of the cheapest and oldest
battery technologies, and is used in, for example, car starter batteries. The competitiveness
of lead acid batteries for electricity system purposes is limited by their lower energy density
and shorter lifetime compared to other batteries, such as Li-ion batteries.
c) Sodium sulphur (NaS) batteries are deemed to be a commercial technology with several
grid applications. This battery is attractive due to its long discharge times, quick response
capability and high cycle life. The combination of some safety issues and lack of diversified
supply chain has somewhat slowed its global uptake.
d) New chemistries and structures are being researched and developed to reach performance
and cost reduction beyond those possible with the above technologies. New chemistries
are investigated for electrodes and electrolytes, and further developments include
nanostructures and electronics for grid interfaces.
e) A flow battery9
is a type of rechargeable battery where rechargeability is provided by two
chemical components dissolved in liquids contained within the system and most commonly
separated by a membrane. Different classes of flow cells (batteries) have been developed,
including redox, hybrid and membraneless. The fundamental difference between
conventional batteries and flow cells is that energy is stored as the electrode material in
conventional batteries but as the electrolyte in flow cells. This battery type has similar
characteristics to chemical storage, where the power and energy components can easily be
varied separately.
5) Super capacitors are advanced capacitors that have higher energy storage capacity than
conventional capacitors, and are able to discharge over longer time periods. They are able to
respond very quickly through both charge and discharge cycles, and provide a high power
output over a very short response time. This is the only pure electrical storage technology.
Superconducting electromagnetic storage (SMES) systems store energy in the magnetic field
created by the flow of direct current in a superconducting coil. They are used to enhance
power quality, but do not currently see widespread use due to cost.
9
Energy Storage Association (ESA) - http://energystorage.org
12. 12
Source: School of Engineering, RMIT University (2015)
Figure 3. Available storage technologies, their capacity and discharge time.
3.1 Storage characteristics for the market – Capacity, power and response time
The main technical characteristics of a storage facility are capacity, power and response time.
Figure 3 illustrates the typical technologies applied depending on the needed storage capacity and
discharge time. The minimum discharge time is equal to the capacity divided by maximum power
rating. The practical market based application of energy storage highlights also the importance of
the location in the electricity grid.
The challenge of the longer time-frame variations also has a direct impact on the choice of storage
technologies. Conventional large-scale storage can typically store electricity for some hours.
Extending the storage time comes with an decreasing marginal revenue for each additional unit of
capacity and time, due to fewer annual cycles for the additional capacity. This limits the
profitability of these storage facilities and emphasises the need for a variety of storage solutions
along with the existing capacities in the new energy system. A broader range of flexibility products
and services will need to be defined and tendered in the market, with particular focus on the
extreme requirements: the very short term flexibility and the long term flexibility. Chemical storage
and innovative sectorial integration could absorb almost all excess variable RES even in a high
variable RES scenario10
and cover large shares of the longer term flexibility needs in the new
electricity system. Meanwhile batteries and even electronics linked to wind and PV are becoming
more suitable for the short term needs. Furthermore, several of the storage technologies
illustrated in Figure 3 are suited for providing grid services with a response time of seconds (e.g.
batteries, CAES, H2, etc.) even if their main application area is usually developed along the
indicated discharge time.
10
Fuel Cells and Hydrogen Joint Undertaking (2015), Commercialisation of Energy Storage in Europe.
http://www.fch.europa.eu/publications/commercialisation-energy-storage-europe
13. 13
3.2 Storage characteristics for the market – the location
The introduction of new storage solutions into the market brings new possibilities to store energy
at different locations and connected at different levels of the electricity grid. Storage facilities can
be located with the consumer, with the generator or at the transmission or distribution grid level.
The location of storage will impact the business case through market aspects and technology
choice. Furthermore, energy storage activity is governed by a specific set of regulations relevant to
the location of the storage activity.
Distributed generation can be coupled with distributed storage at consumer level. This allows the
consumer to participate more actively in the market and increase the share of consumption of self-
produced electricity. Such storage facilities behind the electricity meter will form a part of the
consumer's installation.
Centralised storage could be connected to the grid or located close to the generator. It could
enable large renewable producers to support their contractual commitments within the electricity
market, including any balancing obligation.
3.3 The role of innovation and cost of technology
While energy storage has an important potential contribution to the European energy system,
further cost decrease and efficiency improvement of storage technologies are needed to
strengthen the business case for storage and to support a timely deployment required by the
energy transition. Important investment in innovation is needed to pursue the rapid reduction in
costs that have been gained over the last 10 years, both for storage technologies and for the
related manufacturing technologies. Developing affordable and integrated energy storage
solutions is highlighted as a priority to facilitate and enable the transition to a low-carbon energy
system based largely on renewables.11
Energy storage operators could contribute to a cost-efficient energy system by providing several
services, which could also form the business cases for storage applications. In the European
Strategic Technology Plan (SET Plan) a key driver is to provide the energy system with the
necessary flexibility to incorporate variable renewables. Storage is addressed in a broad sense,
including batteries, pumped hydro, power-to-heat, power-to-gas/fuel concepts, etc. and in
complement with other flexibility options. The main indicator for the technological development
focuses on cost reduction by 2030. The reduction is expected to be in the range of 50% to 70%,
depending on the technology.
The forecasts of the expected battery cost development indicate that the battery costs are
expected to decrease significantly towards 2030. Manufacturing costs are reducing due to
innovation and economies of scale. The recent cost reduction is significant, with a drop of 70%
from 2007 to 201412
. Another reduction of 70% is forecasted towards 203013
(graph 1).
11
European Commission (2016), Accelerating Clean Energy Innovation, COM(2016) 763
12
Björn Nykvist & Måns Nilsson (2015), Rapidly falling costs of battery packs for electric vehicles, Nature Climate
Change 5,329–332
13
Fuel Cells and Hydrogen Joint Undertaking (2015), Commercialisation of Energy Storage in Europe
14. 14
Source: Nature Climate Change 5, 329–332 (2015)
Graph 1. The cost evolution of vehicle batteries.
The trend of cost reduction is particularly noticeable for some recently developed mature
technologies such as Li-ion, NaS and flow batteries (see table 1). New battery chemistries will also
improve efficiency and lifecycle.
Under the Integrated SET Plan Action 7, focused on batteries, an all-encompassing research and
innovation (R&I) objective aims at developing and demonstrating (i) technologies, (ii)
manufacturing processes, (iii) science‐based standards and regulations, (iv) increased performance
and safety and (v) reduced overall cost of battery systems used for storage purposes in the
automotive and other sectors. Detailed targets for costs and performance in both 2020 and 2030
have been specified as scientific targets in the framework of the research and innovation program.
For automotive batteries some of the key targets for 2030 are: (i) gravimetric energy density above
250 watt-hours per kilogram (Wh/kg) at pack level, (ii) a battery pack cost of EUR 75 per kilowatt-
hour (kWh) and (iii) a battery cell production in EU of 50 GWh/year. For stationary batteries the
key targets for 2030 are (i) an energy storage system based on a high‐efficiency (>90%) battery
with cost below EUR 150/kWh (for a 100kW reference system) and (ii) a lifetime of thousands of
cycles. Given the importance of advancements in battery technologies for mobile applications, the
EC is prioritising its R&I efforts in this domain.
15. 15
Source: Fuel Cells and Hydrogen Joint Undertaking (2015), Commercialisation of Energy Storage in Europe
Table 1. The levelised cost of electricity storage for different timeframes (€/MWh).
Pumped hydro storage (PHS) is the most mature technology and has competitive costs for most of
the current storage needs. The availability of adequate additional sites for PHS development is
extremely limited, but development of low-head solutions might open up new possibilities.
However, only limited improvements are expected over the timeframe presented in table 1. PHS
will increasingly be used in conjunction with other storage and flexibility solutions.
Compressed air and liquid air technologies will become cheaper on system level as some of the
ongoing development work becomes technically mature. By 2030 compressed air is expected to
have a short term storage cost and capacity similar to PHS, but will also be challenged by the lack
of available sites to be economically competitive. The best efficiencies for these solutions will be
reached when combined with other heating/cooling applications.
Technology improvements and cost reductions in chemical energy storage, mainly in hydrogen,
follows significant improvements of electrolyser technologies. At the same time the energy
efficiency improvements of fuel cells and conventional (thermal) power generation technologies
also contribute to the benefits in the case of re-electrification linked to hydrogen energy storage.
The cost of large-scale long-term storage of hydrogen (and related chemicals) is already very low,
especially in underground caverns, making it the most cost-efficient technology for long-term
storage. This longer storage timeframe reflects also the potential for cost-efficient sectorial
integration.
16. 16
The European Union is financing R&I through the Horizon2020 programme and the EU cohesion
policy funds14
in the period 2014-2020, with close to EUR 100mililon committed to storage
projects from Horizon 2020. Energy storage is included amongst the priority actions of the SET
plan. The projects address a wide range of technologies from LAES to secondary use of electric
vehicle batteries for stationary applications and thermal energy storage. The predecessor to
H2020, the Seventh Framework Programme (FP7), funded storage activities with EUR 75million
over the period 2007-2013. Funding was provided to one successful demonstration project, the
INGRID project storing hydrogen in solid state storage. In addition the Fuel Cells and Hydrogen
Joint Undertaking (FCH JU)15
is also financing hydrogen related energy storage projects out of its
EUR 100 million annual budget.
R&I will continue to lower costs and develop new solutions for energy storage, contributing to a
competitive advantage for EU. There are various studies estimating the needs, potential and
economic benefits for energy storage at the level of a country (e.g. UK) 16
. The European
Commission is developing a new energy system model – METIS17
– able to simulate on an hourly
basis the operation of both the energy systems and the energy markets, particularly useful for the
planning of more renewable energy as well as the needed storage. Through more analysis on the
economics and the markets it will be possible to better postion energy storage in the new energy
system.
4. Regulatory framework and markets for energy storage
Energy storage has not yet developed its full potential in the energy markets. This is because, on
the one hand some of the technologies were not widely developed, and on the other hand the
regulatory framework was not in place to accommodate new flexible solutions. Support for
electricity generation, regulated prices and green fees have impacted on the development of
energy storage. Furthermore, energy storage faced many different regulatory frameworks across
Member States, with market inefficiency as a result of this fragmentation. There is no consistency
amongst the Member States on the way storage is treated in the energy system. For instance in
several countries storage facilities pay grid fees both as consumer and producer, in other countries
only as producer, or they have other special regimes. In some cases, by reducing administrative
burdens and enabling non-discriminatory grid access for energy storage, the overall cost of the
electricity system would be reduced. The new legislative proposals for market design in the context
of the Clean energy for all Europeans package18
support the cost-efficient use of energy storage
solutions, covering energy markets aspects, the regulatory framework, system planning and
specific technical aspects.
14
Cohesion policy funds are the European Regional Development Fund (ERDF); European Social Fund (ESF); Cohesion
Fund (CF).
15
The Fuel Cells and Hydrogen Joint Undertaking (FCH JU) is a public private partnership supporting research, techno-
logical development and demonstration (RTD) activities in fuel cell and hydrogen energy technologies in Europe. The
three members of the FCH JU are the European Commission, fuel cell and hydrogen industry grouping and the re-
search community.
16
Energy Futures Lab, Imperial College London (2012), Strategic Assessment of the Role and Value of Energy Storage
in the UK
17
https://ec.europa.eu/energy/sites/ener/files/documents/overview_metis_v1.2.1.pdf
18
https://ec.europa.eu/energy/en/news/commission-proposes-new-rules-consumer-centred-clean-energy-transition
17. 17
So far the option of energy storage has not always been sufficiently considered in the context of
electricity system planning. The MDI is addressing this issue by especially referring to storage as an
element in distribution system planning.
The MDI proposal also comes with a number of more general provisions that would be beneficial
for energy storage. Improved cross-border trading and shorter trading timeframes will better
reward the flexibility provided by storage. The proposed dynamic pricing contracts should further
improve the market for energy storage. Similarly, the right of consumers to produce and consume
their own electricity might lead to an increase in demand for storage services and small-scale
storage solutions. In addition, the recognition and support of aggregators should encourage a
broader and more efficient use of storage facilities. Storage could also possibly benefit from
participating in capacity markets and providing decarbonised back-up capacities. These could be
achieved in the context of increasing share of renewable electricity, which remain the main driver
for energy storage. The improved cost and performance of energy storage should also increase its
use for ancillary services and balancing. Furthermore, early storage business cases could possibly
be found in the intraday market where trading volumes are much higher and will increase with RES
penetration.
4.1 Storage within the electricity system
Storage within the electricity system covers all power-to-power solutions, including batteries,
pumped hydro and compressed air energy storage. It also covers power-to-hydrogen when the
produced hydrogen is used for re-electrification. These storage facilities should operate in the
electricity markets on a competitive basis within the regulatory framework provided by the MDI
proposal.
The lack of a clear definition for energy storage in the regulatory framework resulted lack of
coherence in the classification of storage facilities into generation and/or consumption19
across
Member States. This situation is being addressed in the MDI by new proposals and by a new
definition: "Energy storage in the electricity system means the deferring of an amount of the
energy that was generated to the moment of use, either as final energy or converted into
another energy carrier."
The grid operators should be allowed to recover the costs associated with the services procured
from storage operators if those were necessary for efficient system operation. Furthermore,
network fees should provide stability and predictability that allows investments in long-term
assets, like storage facilities.
Storage operators should be allowed to provide multiple services to system operators, e.g. for
distribution system operator (DSO) congestion management or transmission system operator (TSO)
balancing. Storage operators should also be allowed to participate in other commercial activities,
and to be remunerated for their contribution to decarbonisation of other economic sectors.
The development and operation of storage facilities is promoted in the new MDI as a commercial
activity to be performed by market parties other than regulated entities. TSOs and DSOs should
19
stoRE-project report 'European regulatory and market framework eor electricity storage infrastructure", available
on www.store-project.eu. (2015)
18. 18
not own, manage or, operate energy storage facilities.20
In exceptional cases the system operators
could be allowed to invest in a storage facility, under regulatory approval and oversight, if other
market parties are not interested in providing specific storage services, following a transparent
market procedure. In these cases, the regulatory authorities should regularly reassess the potential
interest of market parties to be involved in such activity.
DSOs should be enabled and encouraged to use services from distributed energy resources such as
demand response and energy storage, based on market procedures, in order to efficiently operate
their networks and avoid costly network expansions. Storage is a relevant option in grid planning,
both at transmission and distribution level. Large storage projects, above 225 MW, are included in
the selection process for the EU's projects of common interest (PCI). Storage and other flexibility
measures could potentially also be associated with variable RES producers where clear bottlenecks
in the electricity grid need to be addressed.
Access to infrastructure is crucial for any operator wishing to participate in the energy markets.
Storage and flexibility solutions should therefore be granted access to the grid under non-
discriminatory conditions.
The medium and long-term storage solutions, needed for flexibility in a low-carbon energy system,
could be better incorporated into the markets with new standardised market products. Another
important aspect, where storage could provide value, is security of supply. Energy storage could
benefit the electricity system by providing synergies for the security of fuel supply, integration of
variable RES and reserve/peak capacity generation. Currently, electricity prices do not reflect when
and where there is scarcity of electricity supply in the system in a sufficiently precise manner.
Removing price caps and regulated prices, as proposed in the MDI, will improve this situation.
At the demand side, distributed storage could stabilise the local system, compensating for the
variability of RES and potentially operating based on price signals. These distributed storage assets
could be used in the markets, including through aggregators. Distributed storage behind the meter
could interact with the markets through demand response on retail markets together with other
measures. This framework is also proposed to be improved in the MDI.
4.2 Storage connected to the electricity system and sectorial integration
Large amounts of fossil fuels are used to produce industrial feedstock like hydrogen, ammonia and
methanol. These feedstocks could be produced from variable RES by converting it to hydrogen and
potentially further to other chemicals. The variable RES produced hydrogen, and derived
chemicals, could also be used in agriculture and transport. These solutions would also promote
innovation within European manufacturing industries and contribute to a European global
leadership within the hydrogen industry, for which a regulatory framework may need to be further
developed. There is significant untapped potential to be addressed also within the energy and
climate policies.
The industry, agriculture and transport sectors together use much more energy than what is
20
Proposal for a Directive on common rules for the internal market in electricity, COM(2016) 864 final (recast of Di-
rective 2009/72/EC).
19. 19
transmitted through the electricity grid. These sectors could potentially provide significant
additional flexibility for the electricity grid. This flexibility could contribute to improved cost-
efficiency in the integration of large variable RES. In certain cases this could contribute to improved
competitiveness of local industries. As a horizontal measure, a revised EU Emissions Trading
System (ETS) with a functioning Market Stability Reserve will also improve the investment signal
for low-carbon solutions.
Many of the integrated solutions can be achieved with hydrogen technologies. Hydrogen and its
carriers allow for high geographical flexibility. Hydrogen can store significant quantities of energy
in tanks or underground. It can be delivered by pipeline (including blending in natural gas
networks) and converted into chemicals (e.g. ammonia, synthetic natural gas or other liquid
carriers) which can be used locally or transported also by train, ship or road to industries for
energy and feedstock use.
Over half of the hydrogen produced in Europe is used in chemical processes; 3 million tonnes (Mt)
are used in ammonia production, with almost an equal amount used in methanol production and
for other uses. In addition around 15 Mt are used in refineries globally. Producing hydrogen and
feedstock from variable RES provides obvious emission reductions, but it also provides for
synergies with energy storage applications, where these additional markets could provide
flexibility, while at the same time improve the business cases for large-scale variable RES energy
storages. Large-scale underground hydrogen storage, or ammonia storage, could provide for
another revenue stream for excess variable RES and decarbonise several sectors, while also
contributing to strategic energy reserves.
4.2.1 Industry and refineries
The industrial use of variable RES feedstock could have a noticeable positive impact for several
policy objectives, in particular decarbonisation. However, these innovative solutions were not a
viable option until recently.
Many fuels and chemicals used in industry can be replaced with derivatives from renewable
sources (e.g. methanol, acids). Sector specific markets can develop where the regulatory
framework is adapted to tap the potential of these new low-carbon solutions. Currently, around
95% of the hydrogen used in industry is produced from fossil sources, mainly natural gas and coal,
with the corresponding emissions. Conventional hydrogen production processes from fossil fuels
are generally considered to be energy efficient and economical, but the use of "green" hydrogen
could be an additional way to decarbonise these industrial sectors.
Green hydrogen could be of particular use to the refining and chemical industries. It could replace
a part of the 15 Mt of hydrogen used globally in refineries and the impact on emissions would be
immediate.
20. 20
4.2.2 Ammonia and fertilisers
The fertiliser production is almost exclusively based on fossil sources and amounts to 1.8% of the
global consumption of fossil energy. The production of fertilisers is based on hydrogen, which is
often produced from natural gas and further processed to ammonia. This ammonia is then either
combined with other chemicals as needed by any specific type of soil (mainly Phosphor and
Potassium), or used as anhydrous ammonia applied to the fields with simple tank trailers.
The emissions of ammonia production from natural gas are approximately a tonne of CO2 per
tonne of ammonia. As with the industrial applications, the hydrogen in this process could be
replaced with renewable hydrogen, produced from renewable electricity, effectively decarbonising
the fertiliser production and integrating more renewable energy sources into the fertiliser sector.
Liquid ammonia is globally a common fertiliser in agriculture since the 1950's, although in Europe
the fertilisers are mostly used in solid form. The global ammonia production capacity is estimated
at 242 million tonnes in 201621
, associated with industry estimated emissions of 360 million tons
of CO2, reflecting also the hydrogen production from more carbon intensive coal. That is
approximately equal to the annual CO2 emission of France.
Using ammonia as an intermediate buffer for renewable energy is feasible, as ammonia can be
stored as a liquid; a standard tank of 60,000 m3 contains about 211 GWh of energy, equivalent to
the annual production of roughly 30 wind turbines on land22
. Ammonia can be then used for
industrial processes, in fertilisers or burned cleanly for electricity or heat; the burning process
releases water and nitrogen, but no CO2 and little or no nitrogen oxides.
4.2.3 Electromobility
The electrification of the transport sector could have a significant impact on the electricity system,
both as a flexibility solution but also as an additional load. The most relevant grid powered vehicles
are the battery electric vehicles, some with a range extender in the form of a combustion engine or
of a fuel cell. From the decarbonisation point of view the most relevant are the battery electric
vehicles (BEV), plug-in hybrid vehicles (PHV), hybrid vehicles (HEV) and fuel cell electric vehicles
(FCEV). BEV's have seen rapid progress in performance, including reduced charging times and
increased range. FCEVs are more recent additions to the market, with several manufacturers
deploying new models over the 2016-2020 period, but a larger deployment will depend on the
availability of refuelling infrastructure. The market success of cars with an electric drivetrain
depends also on national decarbonisation strategies.
The electric vehicles can provide flexibility to the grid and function as distributed storage as well as
generators through vehicle-to-grid services. The BEVs and FCEVs have different interactions
towards the electricity system, providing different sets of benefits.
A BEV is similar to a stationary battery as regards the electricity system, potentially contributing to
the grid services, but with higher uncertainty concerning the availability and state of charge at any
21
International Chemical Information Service, http://www.icis.com/resources/news/2015/12/28/9956097/outlook-
16-global-fertilizer-demand-set-to-rebound-in-2016-ifa/
22
Stichting Public Private Partnership-ISPT, http://www.ispt.eu/
21. 21
time. The cost of BEVs has reduced significantly over the last few years, due to increased
production numbers and reduced battery manufacturing costs. The used batteries from electrified
drivetrains could also be used for energy storage purposes after the end of use in the transport
sector.
Some Member States and stakeholders are committed to investing in the increase of the necessary
refuelling infrastructure for hydrogen. The FCEVs are fuelled with hydrogen, which acts as a buffer
between the vehicle use and the electricity system. This allows the vehicle to be used and refuelled
without direct (adverse) impact on the electricity system. The hydrogen generation is constantly
connected to the grid and can provide flexibility at any time. The FCEV related refuelling
infrastructure could provide flexibility to the electricity system, as the refuelling stations would
store the energy in the form of gas and also absorb excess variable RES generation. As a direct
consequence, refuelling would not necessarily have an immediate impact on the electricity system.
The cost of FCEVs has reduced significantly over the last few years, as the technology and supply
chain is forming for the manufacturers, who have already decided to start production.
4.2.4 Thermal storage
Heating and cooling consume almost half of the EU's energy and a large amount of heat is not
efficiently used. Furthermore, large amounts of thermal energy are produced as by-product of
other energy uses, and is often not captured and used. The progress towards higher energy
efficiency in industries and buildings could increase the use of electricity in heating or cooling,
including with heat pumps and in district heating systems. The thermal equipment could provide
flexibility to the electricity system grid, when designed to do so, and is often a cost-efficient form
of flexibility over a few hours or a day.
Existing electrical heating and cooling applications could in many cases react to the price signals
from the electricity markets, while in new and renovated buildings efficient thermal solutions
could be beneficial. Thermal storages could be operated in the electricity market through demand
response applications. Thermal storage is currently used in industrial applications, where justified
by the electricity price signals. In buildings it could be considered as a flexibility measure. At the
same time, the use of a renewable heating and cooling could make an important contribution to
decarbonising future buildings. The energy efficiency and energy system impact should be
reflected in the evaluation of the overall benefits. Their impact should also be reflected in relation
to the impact on generation capacity requirements.
4.2.5 Storage in hydrogen
Large amounts of variable RES can be stored in the form of gas (hydrogen and other synthetic
gases) with various power-to-gas (P2G) technologies, capable of providing significant flexibility to
the electricity system and decarbonising other sectors. Hydrogen could be stored at a low cost in
for example salt caverns in very large amounts. It could subsequently be used for transport,
industrial purposes, re-electrification or injected into natural gas networks. The underground
storage technology is already proven, for example, by a large hydrogen underground storage
operating since 1980's in Texas and supplying 50 refineries and chemical plants in the area through
22. 22
a 500km pipeline. These underground storages have a total size of23
30 million Nm3
of hydrogen.
One 0.5 million m3
underground hydrogen cavern could store at higher pressure an energy content
of 167 GWh24
. In comparison, the total global electricity storage capacity is around 500 GWh,
including all technologies (mainly pumped hydro, batteries, etc.). Hydrogen could also be
synthesised to methane, which would enable storage in existing natural gas storages. The potential
is significant, as the underground storage sites for methane (natural gas) in Europe (EU-28) have a
capacity of approximately 1200 TWh25
, while the annual electricity generation from all sources in
2014 was around 3000 TWh26
. In addition, the power-to-gas conversion could exploit the
possibility to use the already developed natural gas infrastructure for long-distance transport.
Hydrogen can be blended in the natural gas infrastructure up to a certain percentage (between 5-
20% by volume, as demonstrated by the EC research project NaturalHy). Work is going on in the
technical standards organisation CEN/CENELEC, both on the content limits and on the technical
aspects at the points of injection. Subsequently the relevant regulations on gas quality and limits of
hydrogen at EU level could define safe levels of hydrogen in the natural gas infrastructure and
enable the transfer of the low-carbon value of variable RES between the electricity networks and
the gas networks.
5. The way forward for energy storage
The value brought by energy storage to the energy system is well recognized, and its deployment is
expected to be driven primarily by private investments. A number of market imperfections present
in the current energy markets are being addressed in the proposed MDI to enable such
investments to take place. In addition, innovation and market introduction of new technologies
may also need specific support to validate and accelerate the integration of appropriate
technologies and business models.
A number of research and demonstration projects are financed from R&D budgets at European
and at national level. Market introduction of low-carbon technologies is supported e.g. by the
InnovFin EDP scheme27
. Further financing for more mature storage technologies is available
through the European Structural and Investment Funds, Connecting Europe Facility and European
Fund for Strategic Investments. To enable market-based financing for a wider market uptake, the
energy markets will be improved to remunerate flexibility for its value, in line with the market
design proposals.
5.1 Principles supporting the market development for energy storage
Energy storage can combine various value streams, contributing to the new energy system. This
requires the development of new business models both in relation to the electricity system and to
23
Oak Ridge National Laboratory, www.ornl.gov
24
"Underground salt caverns of 500,000 m3 at 200 bar corresponds to a storage capacity of 167 GWh hydrogen.",
http://energystorage.org/energy-storage/technologies/hydrogen-energy-storage
25
http://www.gie.eu/index.php/maps-data/gse-storage-map
26
http://ec.europa.eu/eurostat/statistics-explained/index.php/Electricity_production,_consumption_and_market_overview
27
Innovfin Energy Demo Projects financing scheme operated by the European Investment Bank.
http://www.eib.org/products/blending/innovfin/products/energy-demo-projects.htm
23. 23
sectorial integration. The following four principles, consistent with the proposals in the MDI can
serve as a basis in this process:
• Energy storage should be allowed to participate fully in electricity markets
Energy storage can be developed at consumer or grid level, or even by an electricity generator. In
all cases the decision to invest (by a household, a wind farm or a service provider) is based on (i) a
comparison with alternative investments, or no investments and (ii) higher exposure to scarcity
prices or other supply risks. Investors will make their decision based on the economic and technical
analysis.
Studies show that an electricity system with a large share of variable RES appears to be more cost-
efficient with storage than without storage.28
That is even more apparent in an island system with
high share of variable RES. However, before investment decisions in energy storage can materialise,
a policy and regulatory framework needs to be in place, enabling flexible mechanisms to play their
role in making the energy system more sustainable and more competitive. The basis for such a
framework is proposed in the Clean energy for all Europeans package.
The traditional function of energy storage was to absorb energy during periods of excess
generation or low prices in order to release it back to the electricity system in times of scarcity or
high prices. The usage of storage for this basic function provided benefits which enabled a business
case. However, the requirement for flexibility, in terms of quantity and time frame, is significantly
different in the new low-carbon energy system. The market design proposals will help to put a real
value on flexibility, including from energy storage, in the electricity system. Strengthening the link
between the electricity system and the decarbonisation of other economic sectors (e.g. mobility,
industry) could also reduce the overall energy system costs.
• Energy storage should participate and be rewarded for services provided on
equal footing to providers of flexibility services (demand response, flexible
generation and adaptation of transmission/distribution infrastructure)
More flexible components will be needed in the electricity system to compensate for the
increasing amount of variable RES electricity generation. Storage is one of these components and
its benefits should be recognised in markets, so as to allow equal treatment in relation to the grid
operation. This issue is reflected in the level playing field presented in the MDI. The MDI refers
specifically to storage facilities linked directly and providing services to the electricity system.
Additionally, where storage provides services that go beyond the conventional flexibility solutions,
such as decarbonisation of other economic sectors, this can contribute to its business case.
Of course, any reward schemes and incentives for storage solutions developers/operators should
be designed and implemented in compliance with competition law (including State aid) and sector-
specific regulations.
28
Carbon Trust (2016), Can storage help reduce the cost of a future UK electricity system?: "…the UK electricity system
could reach annual cost saving of up to £7 billion in 2030 with storage in a "Market-driven Approach".
24. 24
• Energy storage as an enabler of higher amount of variable RESs could contribute
to energy security and decarbonisation of the electricity system or of other
economic sectors
Sectorial integration could provide for further flexibility that would enable a better integration of
RES in the electricity system at lower cost than electricity-only solutions. Variable RES generation
introduces the need to balance generation fluctuation over longer periods. Energy storage can
absorb excess low-carbon electricity and ensure system stability over longer periods.
Variable RES generation introduces the need to balance generation fluctuation over longer periods.
Energy storage can make use of the available low-carbon electricity and ensure system stability
over longer periods. The physical limitation of common storage technologies (pumped hydro
storage, batteries and compressed air energy storage) implies that the marginal cost of capacity
becomes too high or the physical storage capacity cannot be expanded sufficiently to satisfy long-
term energy storage needs. These concerns can be addressed by integrating several sectors and
using chemical storage. Chemical storage could ensure the stability of the electricity system over
longer periods,29
similar to what natural gas storages and gas power plants have done historically.
New markets and products would help to create a business case for large scale storage facilities
capable of storing and absorbing large amounts of energy over longer timeframes, over several
hours or days.
The value of integrating variable RES into the mobility sector is potentially composed of several
revenue streams: (i) reducing CO2 emissions, (ii) providing services to the electricity system, (iii)
improving energy efficiency and security and (iv) improving the competitiveness of the car
industry. Some of these aspects already have a direct or indirect market value. While the market
recognises the benefits of battery electric vehicles, fuel cell vehicles and the use of bio based fuels,
the use of variable RES in refineries for fuel production is gradually becoming a relevant issue to be
addressed on equal footing.
The use of variable RES as feedstock provides potential for further decarbonisation of the economy
(e.g. industry), while providing electricity system services and benefits. These additional benefits
include the value of shifting to indigenous sources of feedstock (e.g. green hydrogen in refineries)
and potentially improving competitiveness of the sector through a low-carbon advantage.
A stronger carbon price signal as well as other supportive policies to reduce emissions in the non-
trading sectors will help to promote such solutions.
• The cost-efficient use of decentralised storage and its integration into the system
should be enabled in a non-discriminatory way by the regulatory framework
Storage facilities placed at the generation or at the consumer could alleviate the pressure on the
grid, increasing the stability of the supply and demand at the point of generation/consumption.
The value that storage can provide for the integration of variable RES into the energy system
should be reflected and rewarded for centralised and decentralised storage solutions alike.
Increased scope of balancing responsibility , scarcity pricing and dynamic price supply contracts as
29
Fraunhofer ISE (2016), Lithium-ion batteries: advances and applications. http://dx.doi.org/10.1016/B978-0-444-
59513-3.00013-3
25. 25
proposed in the MDI can help in this sense, as can the use of appropriately structured network
charges. In addition, where specific support is provided for example for a consumer installing a PV
system, this can be designed to incentivise the consumer to install a battery at the same time,
subject to considerations of overall system efficiency.
5.2 Final remarks
Innovation and development of energy storage technologies have produced significant cost
reductions and performance improvements, especially in batteries and power-to-gas technologies.
This progress has increased the possible areas where energy storage can be applied at the same
time as there is an increase in the needs for various services in the electricity system. Energy
storage technologies could therefore provide alternatives to conventional solutions, and could help
achieve the Energy Union's objectives.
The cost of the energy storage systems, their reliability and functionality can be tackled by
research and innovation in terms of improved materials and technology demonstration with utility
scale field tests. Further progress will require even greater research and innovation efforts and
identification of new solutions.
The market environment is rapidly changing with the increased variable electricity in the energy
system and the increasing deployment of a number of emerging energy technologies. Energy
storage provides benefits through flexibility and through the possibility of better linking of various
energy and economic sectors. It also provides benefits in terms of energy security.
The proposals in the MDI and in the Renewables Directive will help energy storage integrate more
effectively into the energy system. The recognition of the benefits and complexity of energy
storage solutions indicates a promising path towards an integrated low-carbon energy system.