The building integrated photovoltaic (BIPV) system have recently drawn interest and have demonstrated high potential to assist building owners supply both thermal and electrical loads. In this paper, the BIPV technology has been reviewed, in terms of its performance, efficiency and power generation capacity. Specifically, the applications of the BIPV in tropical climate regions have been discussed, together with its prospects and challenges. For these schemes to be implemented in a tropical climatic region, the following issues must be considered: 1) Certain studies must be done relating to electrical load demand, predicted PV output, location of the buildings and its integration and constraints associated with roof design; 2) For the highest energy production from solar PV, the solar collectors need to be with the right tilt depending on the location; 3) Design criteria such as safety, efficiency, durability, flexibility and constructive issues need to be considered; 4) The government of such countries must train electricians and carpenters on PV installations; 5) The BIPV roofing must perform same function as normal roofing materials, such as noise protection, water tightness, insulation and climate protection, and 6) As practiced around the world, these countries must establish design standards for the BIPV.
This document provides a summary of a report on tall buildings and sustainability in London. It discusses pressures for more sustainable tall building development, including emerging policies from the Greater London Authority to accommodate future population growth in a sustainable way. Tall buildings are seen as important for meeting demand for new office space in London given land limitations. However, their design, construction and operation will need to adapt to new sustainability regulations. The document examines how to improve the environmental performance of tall buildings in terms of energy use, materials selection, services design, and operation. It also highlights some innovative new tall building designs demonstrating more sustainable approaches.
Comparison of Zero Energy Building from Different Climatespaperpublications3
This document compares zero energy building strategies in temperate and tropical climates. It analyzes four case studies: the PTM Zero Energy Building in tropical Malaysia and the Centre for Sustainable Energy Technologies in temperate China. The PTM building uses integrated photovoltaics, passive design with optimal orientation and shading, high-performance windows, radiant floor cooling, and efficient lighting. The CSET building employs a high-performance envelope, exposed thermal mass, daylight/solar control, and natural ventilation strategies to achieve net-zero status in a temperate climate. Both demonstrate that zero energy goals can be met through strategic passive design and on-site renewable energy generation tailored to local climate conditions.
The document summarizes the key sustainable features and energy conservation techniques used in modern skyscrapers, especially from an Indian perspective. It analyzes five generations of skyscraper development and their energy usage. Passive design principles like natural ventilation, daylighting, and shading are identified as important for sustainable skyscrapers in India, along with some selective energy generation techniques. A literature review is used to classify sustainable techniques into five categories: facade design, passive systems, electricity generation, visual comfort, and renewable systems. Passive design criteria and selective energy generation are determined to be the key features of sustainable skyscrapers in India based on a sustainability index analysis.
Energy-Efficient Buildings of Tomorrow: Built on a Policy Cornerstone Today Alliance To Save Energy
According to the Energy Information Administration, the carbon dioxide emissions of the U.S. building sector are almost equal to the total CO2 emissions of India and Japan combined.
Nearly Zero Energy Building (nZEB) in MalaysiaSteve Lojuntin
This document discusses nearly zero energy buildings (nZEBs) in Malaysia. It begins by introducing nZEBs as an advanced low carbon building initiative, one step closer to achieving net zero or carbon neutral buildings through a focus on energy efficiency and renewable energy. Examples of nZEBs in Malaysia are provided that demonstrate 50-86% reductions in energy usage. Retrofitting existing buildings is also discussed as a way to make progress toward nZEBs. Supporting factors are outlined, including incentives, energy monitoring systems, standards, experts, and guidelines. The document advocates a practical step-by-step approach focusing on energy management and renewable energy to achieve nZEBs.
Interreg Europe ZEROCO2 regional policies report promoting energy efficiency ...Damien Gatt
The document summarizes policies and initiatives in Malta that promote energy efficiency and renewable energy. It discusses three key policies:
1) Feed-in tariffs and grants for photovoltaic installations that have supported significant growth in solar capacity but still require subsidies.
2) A grant scheme for solar water heaters that has seen declining participation due to cheaper photovoltaics and could be improved with revised incentives.
3) Grants for energy efficiency measures like double glazing and roof insulation that have had limited impact because they only cover some costs and do not prioritize the most effective solutions. The document suggests improvements like incentivizing packages of deep energy retrofitting measures tailored to building types.
IRJET- Hybrid Energy Harvesting System based Sustainable BuildingIRJET Journal
This document discusses the design of a hybrid energy harvesting system for a sustainable building. It proposes powering wireless sensors for smart home automation through solar energy, piezoelectricity, and radio frequency, eliminating the need for batteries. It also describes using rainwater harvesting, graywater management, and solid waste utilization to reduce the building's environmental impact. Key aspects covered include using daylighting techniques like solar tubes, optimizing building orientation, and implementing a batteryless power system combining multiple renewable energy sources to power sensors and enable a smart, sustainable building.
IRJET- A Review Paper on Net Zero Energy BuildingIRJET Journal
This document provides a review of net zero energy buildings. It discusses 7 papers on the topic that focus on implementing net zero energy buildings in New Delhi, examining the concept of net zero through case studies, reviewing the net zero energy building movement in India, discussing incentives and standards needed to promote net zero, and analyzing the energy efficiency opportunities in buildings. The document also outlines the work of the International Energy Agency to develop a common definition for net zero energy buildings and identifies passive design approaches and multifunctional envelopes as important design considerations for net zero buildings.
This document provides a summary of a report on tall buildings and sustainability in London. It discusses pressures for more sustainable tall building development, including emerging policies from the Greater London Authority to accommodate future population growth in a sustainable way. Tall buildings are seen as important for meeting demand for new office space in London given land limitations. However, their design, construction and operation will need to adapt to new sustainability regulations. The document examines how to improve the environmental performance of tall buildings in terms of energy use, materials selection, services design, and operation. It also highlights some innovative new tall building designs demonstrating more sustainable approaches.
Comparison of Zero Energy Building from Different Climatespaperpublications3
This document compares zero energy building strategies in temperate and tropical climates. It analyzes four case studies: the PTM Zero Energy Building in tropical Malaysia and the Centre for Sustainable Energy Technologies in temperate China. The PTM building uses integrated photovoltaics, passive design with optimal orientation and shading, high-performance windows, radiant floor cooling, and efficient lighting. The CSET building employs a high-performance envelope, exposed thermal mass, daylight/solar control, and natural ventilation strategies to achieve net-zero status in a temperate climate. Both demonstrate that zero energy goals can be met through strategic passive design and on-site renewable energy generation tailored to local climate conditions.
The document summarizes the key sustainable features and energy conservation techniques used in modern skyscrapers, especially from an Indian perspective. It analyzes five generations of skyscraper development and their energy usage. Passive design principles like natural ventilation, daylighting, and shading are identified as important for sustainable skyscrapers in India, along with some selective energy generation techniques. A literature review is used to classify sustainable techniques into five categories: facade design, passive systems, electricity generation, visual comfort, and renewable systems. Passive design criteria and selective energy generation are determined to be the key features of sustainable skyscrapers in India based on a sustainability index analysis.
Energy-Efficient Buildings of Tomorrow: Built on a Policy Cornerstone Today Alliance To Save Energy
According to the Energy Information Administration, the carbon dioxide emissions of the U.S. building sector are almost equal to the total CO2 emissions of India and Japan combined.
Nearly Zero Energy Building (nZEB) in MalaysiaSteve Lojuntin
This document discusses nearly zero energy buildings (nZEBs) in Malaysia. It begins by introducing nZEBs as an advanced low carbon building initiative, one step closer to achieving net zero or carbon neutral buildings through a focus on energy efficiency and renewable energy. Examples of nZEBs in Malaysia are provided that demonstrate 50-86% reductions in energy usage. Retrofitting existing buildings is also discussed as a way to make progress toward nZEBs. Supporting factors are outlined, including incentives, energy monitoring systems, standards, experts, and guidelines. The document advocates a practical step-by-step approach focusing on energy management and renewable energy to achieve nZEBs.
Interreg Europe ZEROCO2 regional policies report promoting energy efficiency ...Damien Gatt
The document summarizes policies and initiatives in Malta that promote energy efficiency and renewable energy. It discusses three key policies:
1) Feed-in tariffs and grants for photovoltaic installations that have supported significant growth in solar capacity but still require subsidies.
2) A grant scheme for solar water heaters that has seen declining participation due to cheaper photovoltaics and could be improved with revised incentives.
3) Grants for energy efficiency measures like double glazing and roof insulation that have had limited impact because they only cover some costs and do not prioritize the most effective solutions. The document suggests improvements like incentivizing packages of deep energy retrofitting measures tailored to building types.
IRJET- Hybrid Energy Harvesting System based Sustainable BuildingIRJET Journal
This document discusses the design of a hybrid energy harvesting system for a sustainable building. It proposes powering wireless sensors for smart home automation through solar energy, piezoelectricity, and radio frequency, eliminating the need for batteries. It also describes using rainwater harvesting, graywater management, and solid waste utilization to reduce the building's environmental impact. Key aspects covered include using daylighting techniques like solar tubes, optimizing building orientation, and implementing a batteryless power system combining multiple renewable energy sources to power sensors and enable a smart, sustainable building.
IRJET- A Review Paper on Net Zero Energy BuildingIRJET Journal
This document provides a review of net zero energy buildings. It discusses 7 papers on the topic that focus on implementing net zero energy buildings in New Delhi, examining the concept of net zero through case studies, reviewing the net zero energy building movement in India, discussing incentives and standards needed to promote net zero, and analyzing the energy efficiency opportunities in buildings. The document also outlines the work of the International Energy Agency to develop a common definition for net zero energy buildings and identifies passive design approaches and multifunctional envelopes as important design considerations for net zero buildings.
Feasibility of alternating energy(solar) at IUBAT University Md. Tarekul Islam
This document presents a feasibility study for installing a solar power generation system at IUBAT University in Bangladesh. It discusses the background and objectives of utilizing solar energy, which include reducing dependence on fossil fuels and pollution. The methodology section outlines reviewing field work, survey materials, and secondary sources. Key findings presented include works on solar technologies worldwide, the potential of solar energy, system components like solar panels, batteries, and inverters. Load analysis of IUBAT University is provided. The report evaluates solar irradiance and insulation, proposes a system configuration, selects PV modules, and calculates costs. It concludes solar energy can provide benefits as a clean, renewable source.
This document discusses energy efficient buildings and standards in the UK. It outlines that 32% of total energy is consumed by buildings for uses like heating and cooling. UK standards have tightened over time, with regulations in 1965 setting a maximum U-value of 1.33 W/m2K, lowering to 0.3 W/m2K in 2014. Voluntary standards like the Code for Sustainable Homes assess areas like energy use, materials, and health. Passivhaus is also discussed as an informal standard requiring super insulation and high performance windows. Building envelopes play a key role in meeting standards by reducing heat loss through high performance insulation.
This document discusses net zero energy buildings. It defines a net zero energy building as one where the total annual energy consumption is equal to the amount of renewable energy created on site. Net zero energy buildings aim to overcome energy crises and reduce environmental impacts like greenhouse gases. They can be achieved through building design and use of renewable energy sources like solar and wind. An example of a net zero energy building, the Indira Paryavaran Bhawan in India, is presented, which saves 40% on energy and 55% on water.
A Review of Nano -Technology and Renewable Energy: Challenges and scope ijiert bestjournal
The objective of this research is to cover both old and the latest and emerging technologies in the field of re newable energy sources. The topic describes the various forms of renewable sources of energy and their applications. The term Nano technology and its applications have captured the worldwide market. The nanomaterials which are developing using this technol ogy can be incorporated into the devices so that renewable energy can be converted or generated more efficiently. Nanomaterials have the potential to change the way we generate,deliver and use energy.
Building integrated photovoltaics (BIPV) can generate power on-site, reduce energy costs for lighting and cooling, and increase real estate values of buildings by integrating solar panels into building materials like the roof, skylights, facades, and more. BIPV provides energy generation and savings while allowing natural light and reducing heat gain and costs, providing both energy and aesthetic benefits. As more buildings are constructed globally each year, BIPV is a solution to reduce energy consumption and costs while meeting sustainability and efficiency standards.
The utilization of conventional sources of energy releases harmful pollutants to the environment causing global warming and acid rain. For that reason, it becomes necessary to use a non-depletable, sustainable and eco-friendly renewable energy as a mean of producing electricity. Malaysia is tropical country rich in resources beneficial in electricity generation as it is in equatorial region therefore it has an abundance of solar irradiance of average annually. In addition, Malaysia’s demand in electricity is increasing to 124,677 GWh by 2020. Therefore, the electricity generation from renewable sources in Malaysia is anticipated to grow in the future alongside the government endorsement due to its clean, eco-friendly and free source of energy which can highly reduce the dependency on oil and gas that emits harmful pollutants to the environment. This paper gives a comprehensive review on the renewable projects and researches in Malaysia, challenges that affect popularity of renewable energy in Malaysia and available and successful renewable energy system in Malaysia.
Building science report [malaysia] finalmiranazrin
The document summarizes the passive green design features of the DiGi Technology Operations Centre in Malaysia. Key features include extensive vegetated green walls that filter air, reduce solar heat gain, and provide acoustic insulation. A low-e curtain wall system allows daylight penetration while minimizing heat transfer. While the building orientation is not ideal, strategies like glazing and overhangs help induce daylight and reduce solar heat gain on the eastern and western facades. Evapotranspiration from the green walls helps cool surrounding air for ventilation.
This document proposes a framework for designing microgrid systems for small islands using social, economic, and technical analysis. The framework consists of four main processes: 1) assessing project requirements, 2) estimating demand profiles, 3) selecting appropriate energy technologies, and 4) simulating optimal energy system designs. It evaluates designs for both technical and economic feasibility. As a contribution, the framework considers factors like inhabitants' cost of living and cultural aspects, in addition to traditional technical and economic analyses. The framework is demonstrated through a case study of a small island, comparing results to the actual system.
In this presentation focus is on definition of Zero Energy Buildings and Net Zero Energy Buildings. Also different aspects of developing Zero Energy Buildings, their advantages and disadvantages have been discussed.
* All the content is not mine. I have collected the data through different places on the net and books.
The document provides information about the GEO Building project in Malaysia, including its passive design strategies. It summarizes that the building uses extensive daylighting and renewable energy systems to achieve low energy consumption. Passive features include optimal building orientation, shading, natural ventilation, and rainwater harvesting. With these innovative strategies, the GEO Building achieves a building energy index of 65kWh/m2 per year, much lower than typical office buildings.
This document discusses energy efficient design strategies for buildings. It begins with background on how buildings account for a large portion of energy consumption and emissions. It then discusses Saudi Arabia's energy scenario, noting high per capita electricity consumption. The main sections cover energy efficient design strategies for architectural design, lighting, water systems, energy management, and HVAC. For each area, recommendations are provided such as building orientation, insulation, daylighting, water recycling, and efficient HVAC systems. The document concludes that following these strategies can significantly reduce energy usage and emissions from buildings.
Use of distributed electricity generation systems is currently increasing due to their economic and environmental benefits. Agricultural greenhouses require heat and electricity for covering their energy needs while their annual energy requirements vary significantly. Aim of the current work is the investigation of applying various distributed electricity generation systems in greenhouses. A review of different distributed generation systems currently used in various sectors as well as in greenhouses has been implemented. Various technologies are examined utilizing either renewable energies or fossil fuels in very efficient energy systems. Most of them are mature and cost-effective having lower environmental impacts compared with traditional centralized electricity generation technologies. Their use in greenhouses results in many benefits including the creation of an additional income for the farmer, reduction of carbon emissions into the atmosphere and increasing stability of the electric grid. It is suggested that distributed electricity generation systems should be used more in greenhouses when the necessary conditions are favorable.
This document describes a case study of modeling and simulating energy usage and retrofitting scenarios for a single-family house in southern Greece. It includes:
1. An overview of the project objectives, which are to construct a 3D model of the house in Revit, simulate its energy usage in IES VE, and examine retrofitting scenarios to reduce energy intensity.
2. Details of the case study house, including its location, dimensions, construction materials, and existing mechanical systems.
3. The methodology used, which involves constructing a BIM model in Revit, importing energy data into IES VE for baseline simulations, and using Polysun and PVsyst to model retrofitting scenarios involving solar
Sustainability of the Installed Battery-less PV Panel Systems at Two Governme...IJAEMSJORNAL
This document summarizes a study that assessed the sustainability of battery-less photovoltaic (PV) panel systems installed at two government institutions in Pampanga, Philippines. The study found that the PV systems decreased the energy costs of both institutions compared to before installation. Specifically, Institution A saw an average 0.72% decrease in energy usage and 0.43% decrease in costs, while Institution B saw higher decreases of 12.88% and 13.59% respectively. The study also determined that the PV panels at Institution A had an efficiency of 27.98% while those at Institution B had 52.47% efficiency. A manual was created based on the study to provide guidance on operating and maintaining the PV systems.
Types of embodied energy· Initial embodied energy; and· Recurring embodied energy
The initial embodied energy in buildings represents the non-renewable energy consumed in the acquisition of raw materials, their processing, manufacturing, transportation to site, and construction. This initial embodied energy has two components:Direct energy the energy used to transport building products to the site, and then to construct the building; andIndirect energy the energy used to acquire, process, and manufacture the building materials, including any transportation related to these activities.
ENERGY EFFICIENT SUSTAINABLE DESIGN MANFRED HEGGERVoyatzaki Maria
The document discusses energy efficiency in buildings and sustainability in architecture. It provides background on Prof. Manfred Hegger and his work promoting energy efficient design at HHS Planer + Architekten AG and Technische Universität Darmstadt. It outlines key drivers for energy efficiency like limited resources, emissions, and renewable energy sources. Examples of sustainable architecture projects are presented, including solar houses from the 1990s, passive houses from the 1990s, and the Academy Mont-Cenis from 2000 that utilized renewable energy. The Solar Decathlon competition is summarized, with contributions from Technische Universität Darmstadt in 2007 and 2009. The document concludes with the importance of integrated planning for sustainability.
Green building aims to create energy-efficient, healthy buildings with minimal environmental impact. There is a global push by governments and organizations to improve sustainability and livability through green building. Green buildings provide cost benefits like reduced operating costs and incentives, and have competitive advantages. Standards like LEED rate buildings on sustainability factors like energy use, materials, and indoor environmental quality. The presentation discusses green building strategies, technologies, benefits and certification systems.
"Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs.
SUSTAINABLE: Ecological and economical way of living to make human kind healthy and happy
�ARCHITECTURE :The art and science of making buildings.
Includes technology as well as aesthetics
�
Performance Analysis of BIPV Prototype System Installed in Greece and Main Af...CrimsonpublishersPRSP
Performance Analysis of BIPV Prototype System Installed in Greece and Main Affecting Parameters by A Peppas*, K Kollias, M Taxiarchou, D Mantelis, Ch Politi and I Paspaliaris in Peer Review Journal of Solar & Photoenergy Systems
The document discusses incorporating microgrid technology with rooftop solar PV deployment to enhance energy economics. It identifies factors that cause energy losses in the existing distribution system, such as inefficient equipment and conversion losses. A hybrid microgrid is proposed to effectively manage the distribution system and efficiently utilize solar power and storage. Comparisons are presented based on energy savings, payback period calculations, and CO2 emission reductions to prove the effectiveness of the proposed method.
The document summarizes research on sustainable energy performance in green buildings. It discusses strategies to reduce energy consumption through efficient design, renewable energy sources, and passive techniques. The document also reviews theories and challenges regarding sustainable building energy use. Key points addressed include the implications of sustainable performance for reducing emissions and impacts, methods for evaluating building energy use, and initiatives to conceptualize sustainable energy.
Feasibility of alternating energy(solar) at IUBAT University Md. Tarekul Islam
This document presents a feasibility study for installing a solar power generation system at IUBAT University in Bangladesh. It discusses the background and objectives of utilizing solar energy, which include reducing dependence on fossil fuels and pollution. The methodology section outlines reviewing field work, survey materials, and secondary sources. Key findings presented include works on solar technologies worldwide, the potential of solar energy, system components like solar panels, batteries, and inverters. Load analysis of IUBAT University is provided. The report evaluates solar irradiance and insulation, proposes a system configuration, selects PV modules, and calculates costs. It concludes solar energy can provide benefits as a clean, renewable source.
This document discusses energy efficient buildings and standards in the UK. It outlines that 32% of total energy is consumed by buildings for uses like heating and cooling. UK standards have tightened over time, with regulations in 1965 setting a maximum U-value of 1.33 W/m2K, lowering to 0.3 W/m2K in 2014. Voluntary standards like the Code for Sustainable Homes assess areas like energy use, materials, and health. Passivhaus is also discussed as an informal standard requiring super insulation and high performance windows. Building envelopes play a key role in meeting standards by reducing heat loss through high performance insulation.
This document discusses net zero energy buildings. It defines a net zero energy building as one where the total annual energy consumption is equal to the amount of renewable energy created on site. Net zero energy buildings aim to overcome energy crises and reduce environmental impacts like greenhouse gases. They can be achieved through building design and use of renewable energy sources like solar and wind. An example of a net zero energy building, the Indira Paryavaran Bhawan in India, is presented, which saves 40% on energy and 55% on water.
A Review of Nano -Technology and Renewable Energy: Challenges and scope ijiert bestjournal
The objective of this research is to cover both old and the latest and emerging technologies in the field of re newable energy sources. The topic describes the various forms of renewable sources of energy and their applications. The term Nano technology and its applications have captured the worldwide market. The nanomaterials which are developing using this technol ogy can be incorporated into the devices so that renewable energy can be converted or generated more efficiently. Nanomaterials have the potential to change the way we generate,deliver and use energy.
Building integrated photovoltaics (BIPV) can generate power on-site, reduce energy costs for lighting and cooling, and increase real estate values of buildings by integrating solar panels into building materials like the roof, skylights, facades, and more. BIPV provides energy generation and savings while allowing natural light and reducing heat gain and costs, providing both energy and aesthetic benefits. As more buildings are constructed globally each year, BIPV is a solution to reduce energy consumption and costs while meeting sustainability and efficiency standards.
The utilization of conventional sources of energy releases harmful pollutants to the environment causing global warming and acid rain. For that reason, it becomes necessary to use a non-depletable, sustainable and eco-friendly renewable energy as a mean of producing electricity. Malaysia is tropical country rich in resources beneficial in electricity generation as it is in equatorial region therefore it has an abundance of solar irradiance of average annually. In addition, Malaysia’s demand in electricity is increasing to 124,677 GWh by 2020. Therefore, the electricity generation from renewable sources in Malaysia is anticipated to grow in the future alongside the government endorsement due to its clean, eco-friendly and free source of energy which can highly reduce the dependency on oil and gas that emits harmful pollutants to the environment. This paper gives a comprehensive review on the renewable projects and researches in Malaysia, challenges that affect popularity of renewable energy in Malaysia and available and successful renewable energy system in Malaysia.
Building science report [malaysia] finalmiranazrin
The document summarizes the passive green design features of the DiGi Technology Operations Centre in Malaysia. Key features include extensive vegetated green walls that filter air, reduce solar heat gain, and provide acoustic insulation. A low-e curtain wall system allows daylight penetration while minimizing heat transfer. While the building orientation is not ideal, strategies like glazing and overhangs help induce daylight and reduce solar heat gain on the eastern and western facades. Evapotranspiration from the green walls helps cool surrounding air for ventilation.
This document proposes a framework for designing microgrid systems for small islands using social, economic, and technical analysis. The framework consists of four main processes: 1) assessing project requirements, 2) estimating demand profiles, 3) selecting appropriate energy technologies, and 4) simulating optimal energy system designs. It evaluates designs for both technical and economic feasibility. As a contribution, the framework considers factors like inhabitants' cost of living and cultural aspects, in addition to traditional technical and economic analyses. The framework is demonstrated through a case study of a small island, comparing results to the actual system.
In this presentation focus is on definition of Zero Energy Buildings and Net Zero Energy Buildings. Also different aspects of developing Zero Energy Buildings, their advantages and disadvantages have been discussed.
* All the content is not mine. I have collected the data through different places on the net and books.
The document provides information about the GEO Building project in Malaysia, including its passive design strategies. It summarizes that the building uses extensive daylighting and renewable energy systems to achieve low energy consumption. Passive features include optimal building orientation, shading, natural ventilation, and rainwater harvesting. With these innovative strategies, the GEO Building achieves a building energy index of 65kWh/m2 per year, much lower than typical office buildings.
This document discusses energy efficient design strategies for buildings. It begins with background on how buildings account for a large portion of energy consumption and emissions. It then discusses Saudi Arabia's energy scenario, noting high per capita electricity consumption. The main sections cover energy efficient design strategies for architectural design, lighting, water systems, energy management, and HVAC. For each area, recommendations are provided such as building orientation, insulation, daylighting, water recycling, and efficient HVAC systems. The document concludes that following these strategies can significantly reduce energy usage and emissions from buildings.
Use of distributed electricity generation systems is currently increasing due to their economic and environmental benefits. Agricultural greenhouses require heat and electricity for covering their energy needs while their annual energy requirements vary significantly. Aim of the current work is the investigation of applying various distributed electricity generation systems in greenhouses. A review of different distributed generation systems currently used in various sectors as well as in greenhouses has been implemented. Various technologies are examined utilizing either renewable energies or fossil fuels in very efficient energy systems. Most of them are mature and cost-effective having lower environmental impacts compared with traditional centralized electricity generation technologies. Their use in greenhouses results in many benefits including the creation of an additional income for the farmer, reduction of carbon emissions into the atmosphere and increasing stability of the electric grid. It is suggested that distributed electricity generation systems should be used more in greenhouses when the necessary conditions are favorable.
This document describes a case study of modeling and simulating energy usage and retrofitting scenarios for a single-family house in southern Greece. It includes:
1. An overview of the project objectives, which are to construct a 3D model of the house in Revit, simulate its energy usage in IES VE, and examine retrofitting scenarios to reduce energy intensity.
2. Details of the case study house, including its location, dimensions, construction materials, and existing mechanical systems.
3. The methodology used, which involves constructing a BIM model in Revit, importing energy data into IES VE for baseline simulations, and using Polysun and PVsyst to model retrofitting scenarios involving solar
Sustainability of the Installed Battery-less PV Panel Systems at Two Governme...IJAEMSJORNAL
This document summarizes a study that assessed the sustainability of battery-less photovoltaic (PV) panel systems installed at two government institutions in Pampanga, Philippines. The study found that the PV systems decreased the energy costs of both institutions compared to before installation. Specifically, Institution A saw an average 0.72% decrease in energy usage and 0.43% decrease in costs, while Institution B saw higher decreases of 12.88% and 13.59% respectively. The study also determined that the PV panels at Institution A had an efficiency of 27.98% while those at Institution B had 52.47% efficiency. A manual was created based on the study to provide guidance on operating and maintaining the PV systems.
Types of embodied energy· Initial embodied energy; and· Recurring embodied energy
The initial embodied energy in buildings represents the non-renewable energy consumed in the acquisition of raw materials, their processing, manufacturing, transportation to site, and construction. This initial embodied energy has two components:Direct energy the energy used to transport building products to the site, and then to construct the building; andIndirect energy the energy used to acquire, process, and manufacture the building materials, including any transportation related to these activities.
ENERGY EFFICIENT SUSTAINABLE DESIGN MANFRED HEGGERVoyatzaki Maria
The document discusses energy efficiency in buildings and sustainability in architecture. It provides background on Prof. Manfred Hegger and his work promoting energy efficient design at HHS Planer + Architekten AG and Technische Universität Darmstadt. It outlines key drivers for energy efficiency like limited resources, emissions, and renewable energy sources. Examples of sustainable architecture projects are presented, including solar houses from the 1990s, passive houses from the 1990s, and the Academy Mont-Cenis from 2000 that utilized renewable energy. The Solar Decathlon competition is summarized, with contributions from Technische Universität Darmstadt in 2007 and 2009. The document concludes with the importance of integrated planning for sustainability.
Green building aims to create energy-efficient, healthy buildings with minimal environmental impact. There is a global push by governments and organizations to improve sustainability and livability through green building. Green buildings provide cost benefits like reduced operating costs and incentives, and have competitive advantages. Standards like LEED rate buildings on sustainability factors like energy use, materials, and indoor environmental quality. The presentation discusses green building strategies, technologies, benefits and certification systems.
"Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs.
SUSTAINABLE: Ecological and economical way of living to make human kind healthy and happy
�ARCHITECTURE :The art and science of making buildings.
Includes technology as well as aesthetics
�
Performance Analysis of BIPV Prototype System Installed in Greece and Main Af...CrimsonpublishersPRSP
Performance Analysis of BIPV Prototype System Installed in Greece and Main Affecting Parameters by A Peppas*, K Kollias, M Taxiarchou, D Mantelis, Ch Politi and I Paspaliaris in Peer Review Journal of Solar & Photoenergy Systems
The document discusses incorporating microgrid technology with rooftop solar PV deployment to enhance energy economics. It identifies factors that cause energy losses in the existing distribution system, such as inefficient equipment and conversion losses. A hybrid microgrid is proposed to effectively manage the distribution system and efficiently utilize solar power and storage. Comparisons are presented based on energy savings, payback period calculations, and CO2 emission reductions to prove the effectiveness of the proposed method.
The document summarizes research on sustainable energy performance in green buildings. It discusses strategies to reduce energy consumption through efficient design, renewable energy sources, and passive techniques. The document also reviews theories and challenges regarding sustainable building energy use. Key points addressed include the implications of sustainable performance for reducing emissions and impacts, methods for evaluating building energy use, and initiatives to conceptualize sustainable energy.
A Life-cycle Cost-benefit Analysis for Rooftop Photovoltaic Systems in Lightw...IEREK Press
There is a widespread consensus that energy efficiency of buildings is an essential component of sustainable developmentand several kinds of renewable energy technologies have been widely used to achieve this sustainable goal. As a rapidly developing country, China’s manufacturing industry still occupies a prominent position, with a large number of industrial buildingsthat are also a crucial part of urban planning. Compared with multi-story and high-rise commercial buildings, large industrial sheds have a much more usable roof area, where rooftop photovoltaic (PV) systems are increasingly used. However, due to the small structural margins of the lightweight steel-structured (LSS) industrial buildings and the large initial investment of the thin-film PV system, few case studies are available for this kind of industrial buildings. In this research, three representative cities in China, with varying levels of solar radiation availability, are selected as typical external design factors. Taking a typical LSS industrial building with an added thin-film rooftop PV system as an example, a life-cycle cost-benefit analysis is conducted from environmental and economic aspects. The results of the analysis demonstrate the effectiveness of the rooftop thin-film PV system as a means to increase the energy efficiency of the LSS industrial buildings.
Window tinting is an affordable way for you to make your home more energy efficient and pays for itself in about 3 years. Read more here: https://www.scottishwindowtinting.com/window-film/energy-efficiency/lower-energy-costs-in-2019/
Impact of window films on the overall energy consumption studywindowfilmhouston
Window film is a way to make your Austin home more energy efficient in 2019 and save you a fair amount of money on utilities for years to come! Read more:https://www.windowfilmaustin.net/window-tinting-benefits/energy-efficient-window-tint/window-film-energy-efficiency/
Window film is a way to make your Fort Worth home more energy efficient in 2019 and save you a fair amount of money on utilities for years to come! Read more:https://www.greenlightwindowfilms.com/energy-efficient-window-film/window-film-energy-efficiency/
Impact of window films on the overall energy consumption studyFortWorthWindowFilm1
This study evaluates the impact of window films on the energy consumption of an existing UK hotel building using dynamic simulation software. A Hilton hotel in Reading, UK is used as a case study. The hotel model is developed using collected data and its energy consumption is validated against actual usage. Window films are then incorporated into the model. The results show that window films reduce annual cooling energy by up to 35% but increase heating energy by 2%. Overall, window films lower total energy consumption by around 2% and provide cost and CO2 emissions savings of up to 3%.
Window film is a way to make your Denver home more energy efficient in 2019 and save you a fair amount of money on utilities for years to come! Read more here:https://www.scottishwindowtinting.com/denver-window-film/window-film-energy-efficiency/
Impact of window films on the overall energy consumption studywindowfilmkansascity
Energy Efficiency is an important part of homeownership not only because it is a green solution but because it saves money too! Read more at: https://www.windowfilmkansascity.com/window-tinting-benefits/energy-efficient-window-film/the-benefits-of-window-film/
Energy Efficiency is an important part of homeownership not only because it is a green solution but because it saves money too! Read more here:https://www.scottishwindowtinting.com/fort-collins-window-film/understanding-the-benefits-of-energy-audits-and-window-film/
Impact of window films on the overall energy consumption studydallaswindowfilm
Window film is a way to make your Dallas home more energy efficient in 2019 and save you a fair amount of money on utilities for years to come! Read more: https://www.dallaswindowfilm.com/window-tinting-benefits/energy-efficiency/window-film-energy-efficiency/
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Window tinting is an affordable way for you to make your home more energy efficient and pays for itself in about 3 years. https://www.commercialwindowtintingsaltlake.com/energy-efficient-window-film-2019/
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A review of building integrated photovoltaic: case study of tropical climatic regions
1. International Journal of Power Electronics and Drive System (IJPEDS)
Vol. 12, No. 1, Mar 2021, pp. 474~488
ISSN: 2088-8694, DOI: 10.11591/ijpeds.v12.i1.pp474-488 474
Journal homepage: http://ijpeds.iaescore.com
A review of building integrated photovoltaic: case study of
tropical climatic regions
Mu’azu Mohammed Abdullahi1
, Abdullahi Abubakar Mas’ud2,
, Ibrahim Abubakar Mas’ud3
,
Jorge Alfredo Ardila-Rey4
, Firdaus Muhammad-Sukki5
, Ridoan Karim6
,
Ahmad Shakir Mohd Saudi7
, Nurul Aini Bani8
and Asan Vernyuy Wirba9
1
Department of Civil Engineering, Faculty of Engineering, University of Hafr-Albatin, Hafar Al Batin, Saudi Arabia
2
Department of Electrical and Electronics Engineering, Jubail Industrial College, Jubail, Saudi Arabia
3
Department of Mechanical Engineering, Shibaura Institute of Technology, Tokyo, Japan
4
Department of Electrical Engineering, Universidad Técnica Federico Santa María, Valparaiso, Chile
5
School of Engineering & the Built Environment, Edinburgh Napier University, Edinburgh, United Kingdom
6
Department of Business Law & Taxation, Monash University Malaysia, Subang Jaya, Malaysia.
7
Center for Water Engineering Technology, Malaysia France Institute, Universiti Kuala Lumpur Bandar Baru Bangi
Selangor, Malaysia
8
UTM Razak Faculty of Technology and Informatics, Universiti Teknologi Malaysia, Malaysia
9
Department of Management Information Technology, Jubail Industrial College, Jubail, Saudi Arabia
Article Info ABSTRACT
Article history:
Received Mar 27, 2020
Revised Nov 25, 2020
Accepted Dec 13, 2020
The building integrated photovoltaic (BIPV) system have recently drawn
interest and have demonstrated high potential to assist building owners
supply both thermal and electrical loads. In this paper, the BIPV technology
has been reviewed, in terms of its performance, efficiency and power
generation capacity. Specifically, the applications of the BIPV in tropical
climate regions have been discussed, together with its prospects and
challenges. For these schemes to be implemented in a tropical climatic
region, the following issues must be considered: 1) Certain studies must be
done relating to electrical load demand, predicted PV output, location of the
buildings and its integration and constraints associated with roof design; 2)
For the highest energy production from solar PV, the solar collectors need to
be with the right tilt depending on the location; 3) Design criteria such as
safety, efficiency, durability, flexibility and constructive issues need to be
considered; 4) The government of such countries must train electricians and
carpenters on PV installations; 5) The BIPV roofing must perform same
function as normal roofing materials, such as noise protection, water
tightness, insulation and climate protection, and 6) As practiced around the
world, these countries must establish design standards for the BIPV.
Keywords:
Building integration
Photovoltaic
Solar energy
Tropical climate
This is an open access article under the CC BY-SA license.
Corresponding Author:
Abdullahi Abubakar Mas’ud
Department of Electrical and Electronics Engineering
Jubail Industrial College
PO Box 10099, Jubail 31961, Saudi Arabia
Email: masud_a@jic.edu.sa
1. INTRODUCTION
In the contemporary world, the global community apprehended that the non-sustainable energy
sources (e.g. fossil fuel) will be available only for a limited period. Consequently, the urgency to avail
sufficient renewable energy sources has already become an issue of discussion. One such source, commonly
2. Int J Pow Elec & Dri Syst ISSN: 2088-8694
A review of building integrated photovoltaic: Case study of tropical … (Mu’azu Mohammed Abdullahi)
475
regarded as a complete clean energy is the solar energy [1]–[3]. Recently, due to the development of new
regulatory frameworks coupled with rising densification of cities, there is a need to acknowledge the
significance of applying solar technology for buildings [4]–[6]. In most European countries, buildings
account for 40% of the total energy use [7], but still the situation has not improved despite improved
technologies and building codes that make such buildings more comfortable. Due to the global world
population growth, energy demand in buildings has raised up to rise up to 50% by 2020, with the global
building region anticipated to double by 2050 [8].
It is vital to understand that solar energy can play a vital role in modern buildings such as solar
heating and cooling and photovoltaic (PV) powered [9], [10]. Already, architectural firms are opting for this
trend, joining hands with energy experts to design and construct totally solar buildings [7]. The main
characteristics of solar PV technology and building integration technology involve a wide range of
disciplines. Systemization and deliberate efforts from solar manufacturers, construction companies, designing
institutions, property developers and component construction department are necessary in order to achieve
the utilization of solar energy and building integration technology. The role of regulations department and
national policies cannot be omitted either. For years, many problems have arisen in developing renewable
energy, including the issues of energy security and the threat of climate change which eventually also serve
as the prime factors for development of such energy sources. The sun is the greatest substantial sustainable
power source [11]. The concentration of greenhouse gas due to the abuse of fossil fuel usage has resulted in
global temperatures and environmental degradation. The declining oil and gas supplies, coupled with the
increasing concerns for the global effect of CO2, gave rise to green buildings (i.e. buildings designed and
constructed so as to reduce their environmental impact) [12].
A tremendous effort has to be made to reduce energy demand of civil structures by applying
effective measures that maximize energy usage produced by PV [13]. From time to time, the technical
developments of optical, electronic, thermal, and architectural and fluid mechanics also served the purpose to
make the solar energy and integration technology more lucrative. Over the years, solar panels have produced
green energy on the rooftops of buildings i.e. by integrating the PV elements into the building structure,
thereby transforming it into a generating set [14]. By 2020, the industry of building integrated PV is
predicted to reach 11.1GW [15]. In particular, Europe will have the highest utilization of this technology. In
another perspective, James et.al [16] recommend several ways to help increase the relevance and growth of
solar PV in buildings. These include the reduction in the PV prices and the increased interest in policies on
solar energy. There is also little commercialization with full functionality of building materials. Generally,
the fundamental reason for the limited BIPV deployment is that the average market price of installed systems
is presently higher than for rack-mounted PV.
Nonetheless, it cannot be denied that an advanced construction process of integration technology is
required to develop the solar energy. The complex construction of the waterway and circuits are another
method, other than the conventional one, in order to install and debug tasks of solar equipment. Nevertheless,
solar energy remains the single extensive alternative energy resource as it offers more economic benefits,
safety and secure process of energy production and environment friendliness. Therefore, the acceptance of
solar energy is more apparent than any other alternative energy resources [9]. Over the years researchers have
investigated the application of BIPV in tropical areas[17]–[19]. Recent study [20] shows that for tropical
climate, the BIPV can increase the quantity of heat transfer through the building structure, thereby
influencing the inner temperature and discomforting the residents. Another study [21] investigated the heat
comfort and adaptive actions for occupants in naturally ventilated areas and proposed certain adjustments to
the acceptance of the heat burden on the occupants; one is the improvement of the velocity of the air and
adopting cross-ventilation, and the other is reducing the insulations related to the building. Aaditya and Mani
[22] proposed the development of a climatic responsive BIPV scheme. For tropical climates, the design of the
building should be done in such way to reduce heat gain while enhancing heat loss within buildings. The best
option is to design a BIPV with controlled ventilation, higher heat mass and shading. In another study, Gut
and Ackerknecht [23] discussed the optimum building scenarios in tropical and subtropical regions. The wind
orientation plays a big role in the building’s thermal insulation. It was suggested that proper coatings in
roofings and reflections in ceilings could reduce overheating. Ghazali and Abdul Rahman [24] investigated
the application of solar tracking in tropical climates. For BIPV, the solar tracking not only enhances the PV
output power but it also helps to reduce direct sun radiation on building envelopes. Recently, Lawal [25]
investigated the energy conservation in buildings located at the southern part of Nigeria and concluded that
for tropical climates, special consideration should be made in such a way that building are constructed with
materials possessing high heating storage capacity and avoiding sustained lagging. The lag can create
unwanted re-radiation of heat that may cause discomfort to the residents. Despite all the developments, little
work has been made on the implementation of BIPV for tropical areas due to several factors such as high cost
of installation and lack of awareness in the building industry.
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One example of a tropical climatic region is Nigeria. It is a country that has abundant unutilized
solar radiation. The average daily solar radiation in the northern region is 7 kWh/m2
while in the southern
part of the country is about 4 kWh/m2
[26], [27]. Though, Nigeria has improved local manufacturing of PV
[28], a lot need to be done to support this market. Solar energy is frequently utilized in Nigeria for street
lighting and domestic energy consumption, however no visible solar technology integration within buildings
can be remarked for both solar heating and solar power. Therefore, this paper attempts to review and discuss
BIPV integrations advancements in many countries, using Nigeria as a case study, in order to suggest and
recommend the further development of such technology in tropical climates. In such process of reviewing,
this paper also evaluates the challenges associated to BIPV technology, and analyses future improvement
options to accommodate it in the national energy mix.
2. BUILDING INTEGRATED PV
There are two main types of solar PV integration in buildings. These are the building integrated PV
system (BIPV) and the building attached PVs (BAPV) [29]. However, there is misperception concerning the
actual definition of BIPV within the building industry and such confusion extends to the PV industry. BIPV
are delineated as PV modules feasible to assimilate within the building envelope by reinstating the normally
used materials of the building, [30] while BPAV are PVs attached to the building with no direct influence on
any structural function [31]. As stated in the literature [32], there are certainly many parameters that need to
be carefully inspected in solar PV building integration such as: (1) buildability; (2) design; (3) durability; (4)
environmental factors; (5) maintenance; (6) performance safety, and (7) standard regulations.
The classification of BIPV is done based on the type solar cell, their application and market
availability [29]. BIPV products are categorized into four; i.e. solar cell glazing, tiles, foils, and modules
[33]. A complete schematic diagram is illustrated in Figure 1.
Figure 1. BIPV classification. Adapted from [33].
BIPV refers to PV components substituting the normal building components through its
incorporation to the usual building envelope [34], thus decreasing heat spread over the building [35]. It is
quite established that the productivity of PV modules declines with the rise in temperature, and many studies
have been conducted to solve this problem. One solution, as suggested in literature [29], is that the PV
modules efficiency might be improved through heat absorption at the rear of the PV module, using fluid or
air to generate a convention mechanism, thereby opening new inputs for hot or cold area around the PV.
Another method to enhance the performance of the PV modules is through shadowing effect or changing the
direction or slope of the PV.
Chow et al. [36] modeled a 260 m2
BIPV system that was analyzed using multi-platform building
performance software (ESP-r). The simulation was done by creating an air gap of 250 mm between the
building and the PV. The air-gap permits the air to be heated so that it can be utilized for water pre-heating.
Three scenarios were implemented; i.e. BIPV with cooling of cells, BIPV with air heating, and BIPVwithout
any integration. The year-long energy outputs from those three situations were reported being 83,680, 83,584
and 83,205 MJ, correspondingly.
Jiménez et al. [37] developed a BIPV component for heat transfer via stochastic differential
equation. A sequence of experiments made up of 121 polycrystalline PV modules covering 1.44 m2
areas was
implemented in the model. The authors found that this technique is beneficial in modeling nonlinear
stochastic heat occurrence in BIPV.
Pantic et al. [38] examined 3 configurations of the BIPV/thermal (BIPVT) system. Configuration
one was the base case of unglazed BIPV with air consistently run underneath it. Configuration two involves
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1.5 m vertical glazed solar collected and incorporated into the system. And, the third configuration is the
addition of a complete glazing on top of the PV. It was observed, from these configurations, that heating,
ventilation, air conditioning (HVAC), and water pre-heating can be achieved using the first configuration.
Heat energy efficiency can be achieved through the second and third configuration. In the third configuration,
electric power creation was considerably reduced due to the overheating of PVs.
Corbin and Zhai [39] examined a novel BIPVT consisting of absorbers, heat storage and pump. The
authors developed two computational fluid dynamics (CFD) models. The first model is a standard model
adjacent to the top surface, while the second comprises liquid-cooled-tube absorber for recovery effects. At
the end of the research, it was shown that the later BIPVT has up to 5.3% better electrical efficiency. The
whole productivity of the system was found to be within 19-34.9% respectively.
Peng et al. [40] studied the architectural design features of BIPV systems as follows: (i) design
procedure, (ii) life-span of the system and (iii) suitability of the BIPV. They also designed a new arrangement
to solve matters related to the proper care of the PV components. The authors concluded that technology,
aesthetics, function and cost are key features. Urbanetz et al. [41], examined the annual electricity generation
of two systems. One is the 10 kWp BIPV system and the other is a curved 12 kWp PV system. The first is a
thin film a-Si technology made up of 24 elastic modules, while the second consisted of 88 flexible panels
made of thin-film a-Si layers. Specific findings indicated that the 10 kWp BIPV system holds more yearly
energy revenue than the second one.
Zogou and Stapountzis [42] conducted the experimental investigation of the transient heat analysis
for the BIPV system, using the PV module and the Plexiglas module. The authors carried out the experiment
in 3 main stages. No natural convection (i.e. fan) in the first stage, while fans were operated at 110 m3
/h, and
190 m3
/h flow for the second and third approaches respectively. Findings show that the temperature variation
of air for various approaches was between 4.5°C and 8.9°C with the power ranged between 74.7 W–85.5 W.
Observation on the least panel temperature in mode 3 suggested that total cooling and transfer of heat rises as
more air flows.
Yoon et al. [43] developed the pioneer BIPV application, with thin-film a-Si cells mounted on the
windows. The authors observed the system for about 2 years and noted the monthly power generation sum to
be 48.4kWh/kWp. Additionally, the annual generation amount is 580.5kWh/kWp. The simulation effects
confirm that particular electrical energy generation for the system can reach up to 47% if the azimuth and
shading effects are adjusted.
There are two BIPV/BAPV systems examined by Santos and Rüther [10] on the possibility of
implementation of both systems for a current domestic building. One is the 2.25 kWp c-Si system and the
other is the 10 kWp a-Si system. The findings revealed that 87% of the PV sets can create 95% of the peak
hypothetical potential. In addition, only 3% of the systems were able to create 85% of the peak theoretical
output value. Their results show that the PV kits are able to produce separate yearly energy demand for the
whole buildings.
Ban-Weiss et al. [44], examined the cooling system and electricity production saving effects of PV
modules, made up of thin-film a-Si triple junction solar cells. After installation of BIPV, the solar
absorptance of roof reduces from 0.75 to 0.38. The outcomes show that the daily energy output range of the
system appears to be 0.4kWh/m2
in the summer and 0.15kWh/m2
in the winter. They further concluded that
the BIPV system mounted in an office building in Phoenix, Arizona, USA would cause 9.6kWh/m2
yearly
cooling and 2.9 MJ/m2
heating power savings.
Han et al. [45] compared the performance of 2 different types of PVs, i.e. conventional clear façade
and ventilated double-sided. The conventional clear façade is a PV layer made up of a-Si PV cell, while the
second one is a transparent glass and screen on the façade. The authors show that the interior air temperature
for the ventilated double-sided PV scheme was lower than the conventional clear façade. Moreover, their
results show that the module temperature on the efficiency of PV was small for all these modules. Apart from
power generation, the ventilated double-sided PV can contribute to power savings via decreasing the load on
the air-conditioning.
Drif et al. [46] shows a technique for power evaluation losses as a result of the partial covering of
BIPV systems. In this scenario, 9 sub-arrays of PV modules were split to 2.5 kWp each. For a 1 sub-
generator, measurements were 10.6 2 kWh/day, against theoretical measurements of 12.41 kWh. The authors
concluded that the daily power losses caused by covering were 1.79 kWh. That is equivalent to 14.4% of the
overall BIPV system power generation.
The 22 PV arrays performance under different tilt and orientations were investigated by Wittkopf et
al. [47]. These systems comprise an on-grid BIPV system of 142.5 kWp. The monthly average performance
ratio was recorded to be 0.81 and the monthly mean power generation was 12.1 MWh. The authors also
studied the influence of different criterion on the BIPV performance such as irradiance changes, partial
covering, PV temperature changes.
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Defaix at al. [48] evaluated the BIPV’s technical potential within the EU-27 using the available
statistical fingerprints. The BIPV is assumed to be a mixture of crystalline wafer. The performance ratio for
the thin film of PV panels was 0.8, while the mean of efficiency was 17.9%. The obtained for the BIPV’s
potential within the EU was 951 GWp and the annual potential power production was 840 TWh. This power
can meet approximately 22% of the expected electricity needed by the European continent.
The cost-effectiveness of BIPV was investigated by Wei et al. [49] and it was compared with
domestic solar water heater (DSWH). The lifespan of the BIPV system is approximately 25 years with power
generation capacity of 140kWh/m2
. The authors were able to show that the BIPV system was more favorable
with 6 m2
roof area and the domestic solar water heater (DSWH) of the BIPV is more beneficial as it can be
better installed if the cost of the BIPV is RMB 0.9/kWh.
López, and Sangiorgi [50] examined the influence of BIPV modules on human comfort using
identically two 10 m2
rooms. Their first trial shows that the thin-film related PV modules have better
performance compared to hygro-thermal comfort. Amorphous silicon (a-Si) PV modules have higher energy
generation capacity. In terms of heating and lightning, CIS PV modules appear to have higher energy
consumption. They conducted another test using the m-Si PV modules and found that it has higher lightning
demand than the CIS modules. The m-Si PV modules have higher energy generation within 0.09-1.31
kWh/day as compared to the CIS PV modules.
In another study, Yang and Athienitis [51] examined BIPVTs thermal efficiency using two inlets.
Results show two inlet panels having 5% higher thermal effectiveness in comparison to a single input semi-
transparent panel. Apart from this, they concluded it is preferable to design a simple and cheap two inlet
panel. The authors also carried out the performance assessment of BIPVT having different inlets. They
developed a correlation regarding some inlet solar simulators and BIPVT prototype. Findings show that a
four inlet type has 7% higher efficiency when compared to one inlet type.
Bigaila et al. [52] investigated a BIPVT system made up of 1030 x 548 mm m-Si panel, 5 x 10 cm
insulation, and 7 cm air gap. The experiment was conducted with 8 lamps; each has a maximum power of 4.6
kW. The lamps can be attuned within 0°-90°. Their results show that the solar heat collectors possess similar
efficiency to the unglazed thermal collector (UTC), with up to 15% higher efficiency.
Eke and Demircan [53] studied the shadowing effect of BIPV on a structure comprising five floors,
and each floor was installed with a three a-Si (triple junction amorphous PV) modules. The results show that
the yearly energy rating for the first array is 1072 kWh/kWp while for the second array is 885kWh/kWp.
Low electricity output was measured towards the end of the year due to the lowest radiation at that time. It
was concluded that the shading effect has substantial effect due to the building direction, PV tilt angle and
the ambient temperature.
Timchenko et al. [54] applied certain system specifications (i.e. 1.5m x 0.7m x 0.1m size) to
evaluate open channel PV. Three different two-wall configurations were used, (i) uniform, (ii) staggered, and
(iii) non-uniform. Their results show that there must be alternative inputs between hot and cold zones in order
to improve the heat transfer.
Ritzen et al. [55] mentioned four vital aspects of PV market such as BIPV, PV efficiency, electrical
storage and PV market. Some tests were carried out under different conditions of condensation, coloring and
backstring ventilation. Test 1 showed that the output of PV varies between 10-40% on autumn and spring
period respectively. Due to 100% relative humidity, the PV output was reduced by 0.5%. Test 2 comparing
between black module and color module, there is a difference of 10% for the PV output. Vertical and zig-zag
type lineup showed a difference of 62%. There were better advantages of zigzag type module lineup during
the autumn-spring period.
Chen and Yin [56], designed a BIPVT system for heating liquid with water through cooling the PV.
The PV module was developed by aluminum high density polyethylene that contained aluminum water tubes.
In this situation, there is reduction of temperature through heat transfer from PV to the water tubes.
Laboratory results indicated enhanced energy conversion efficiency. There is almost 5% reduction in the
module temperature. There is also a flow rate increase by 500%. At particular flow measure of 150 ml/min,
the electricity production was of 32.94 W and 44.91 W correspondingly for 800 W/m2
and 1000 W/m2.
Lu et al. [57] experimentally developed a new PV parabolic reflector with a concentration ratio of 2,
suitable for building façade applications. In this paper, a broad enclosed test was conducted to assess the
thermal and electrical categorization of the developed scheme. The factors affecting the output power of the
system were also discussed. In comparison to the non-concentrating PV, the results indicate that Building
Façade Integrated Asymmetric Compound Parabolic Photovoltaic concentrator (BFI-ACPPV) scheme has the
capacity to raise the output power per unit area of the solar cell by 2. The results further indicate that the BFI-
ACPPV coupled with phase change material have higher efficiency in comparison with a non-phase change
system. The results were obtained at solar radiation intensity of 280 W/m2
and 69 W/m2
. At 280 W/m2
, the
measured power output is 3.51 W.
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Table 1 shows a summary of literature review regarding the BIPV systems. In summary, the BIPV is
expected to be highly beneficial in the future design of buildings. According to literature, and in many
countries, BIPV is capable of satisfying building energy requirements of 70% [58]. In most BIPV researches
and applications, monocrystalline solar PV has been widely used due to its higher efficiency and heat
tolerance. The façade application is mostly to take advantage of shading and heat insulation on walls. In
tropical climates, the thermal shielding effect of BIPV can reduce space cooling by around 30% [11]. Either
as a rooftop or façade application, the BIPV can, in the long term, have good investment returns. BIPV can
also give buildings better visual appearance and ensure reduced electricity tariff. One major issue is the
likelihood of the BIPV experiencing higher temperatures, because of their attachment to the building
structure, thereby reducing the conversion efficiency of the PV module. Some highlighted barriers that may
hinder the development of BIPV [59], include: i) lack of awareness of the BIPV especially in developing
countries as a means of energy saving and reduction of greenhouse gas emission, and ii) lack of economic
and technical solutions about BIPV technology.
Generally, incorporating BIPV to the building structure give rise to net-zero energy buildings. This
depends on many factors such as building topology, availability of surfaces for polarization, total energy
needs and techno-economic feasibility analysis.
Table 1. Summary of the BIPV systems
Reference Energy Generation
Nominal
Power
Electrical
conversion
Efficiency (%)
PV type Application
Chow et al. [36] - - - Monocrystalline Façade and roof
Jiménez et al. [37] - - -
Monocrystalline/
polycrystalline
Façade
Pantic et al. [38] 19-40kWh 7000 10.5-15 Monocrystalline Roof
Corbin and Zhai [39] - - 14.5-17.2 - Roof
Peng at al. [40] - - - Amorphous -
Urbanetz et al. [41] 1265-1110kWh/kWp 10-12kWp - polycrystalline -
Zogou and Stapountzis [42] <9 - - Façade
Yoon et al. [43] 1277kWh/year 7 Amorphous Façade
Santos and Rüther [10] 5.8-12.3GWh/year 5.11MWp - Amorphous Roof
Ban-Weiss et al. [44] 0.15-0.40kWh/m2
5 Amorphous Roof
Han et al. [45] 4.43-4.72kWh/year - - Amorphous Façade
Drif et al. [46] 10.62kWh/day Monocrystalline Façade
Wittkopf et al. [47] 12.1MWh 142500 13.15 polycrystalline Façade
Defaix et al. [48] 850TWh/year 951GWp 17.9
Monocrystalline/
polycrystalline
Roof
Wei et al. [49] 140kWh/m2
- - - Roof
López and Sangiorgi [50] 0-1.32kWh/day 31-85Wp 6-17
Monocrystalline/
Amorphous
Façade
Yang and Athienitis [51] 5-7.6 Monocrystalline Façade
Bigaila et al. [52] 10-15 Monocrystalline Façade
Eke and Demircan [53] 46-125kWh/m2
. month 40.3kWp 0.92 Amorphous Façade
Timchenko et al. [54] -- - - - Façade
Ritzen et al. [55] - 90-246Wp - Monocrystalline Façade
Chen and Yin [56] - - 10.48-15.82 Monocrystalline Roof
Lu et al. [57] 15.8 Monocrystalline Facade
3. PV PANELS BUILDING INTEGRATION CONFIGURATIONS
In this section, it is explained the results of research and at the same time is given the
comprehensive discussion. Results can be presented in figures, graphs, tables and others that make the reader
understand easily [2], [5]. The discussion can be made in several sub-chapters.
3.1. Slope glazing
Sloped glazing includes atriums, titled walls, sunspace or green house on top overhead of the walls.
Such glazing also incorporates framed aluminum, coated with tinted frames, glasses with lamination, or
plastic glazing in case of semi-transparent glazing systems. One of the examples of Atrium with integrated
amorphous silicon PV panels has been shown in Figure 2, which is taken from the Doxford International
Park, situated in Sunderland. PV panels majorly work for the transmission of the ample amounts of diffused
light, therefore, day lighting is essential solution of buildings.
It is always desirable to have a diffused day lighting condition in office buildings in order to
produce sufficient energy, however, excessive sunlight can cause generates overheating which eventually
ends up excessive glare [60]. Regular glass provides more transparent basis than the PV glazing glass (5-10%
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transparency). Regarding such transparency, excessive daylight substantially impacts in the building.
Therefore, a balanced design should be the prime concern in order to advance PV glazing and the daylight in
the building.
For BIPV, and in order to achieve the maximum supply of daylight, window is always advised to be
20% of the facade area on the south orientation in the northern hemisphere. According to [61], that number
varies when the systems are built with crystalline silicon (increase to 24%) and thin-film PV panels (increase
to 32%).
Figure 2. Atrium with integrated amorphous silicon PV panels in the solar office of Doxford International
Park, in Sunderland, UK [62].
3.2. Vertical panel
Vertical orientation of the PV panel reduces the results of PV output, because they possess the same
construction characteristics as atria/sloped-glazing. Curtain walls are appropriate for a wide range of PV
products; they contain opaque surfaces (spandrel areas) in multi-story buildings, whereas, materials of non-
transparent products can also be used. To adopt such configuration, compromises should be made between
overheating, density, and the glare of PV panels that are employed in the façade. Example of such
configuration at APS office building situated in California is shown in Figure 3.
Figure 3. APS office facility in California [60]
Amorphous PV modules shown in Figure 3 at the APS Facility in California with integrated PV
panels, are generally combined with the panels that are constructed with vision glasses and framed with
standard curtain wall [60]. Just like the spandrel panels in a multi-story curtain wall, PV modules are also
sealed at the back with an opaque insulating panel. If the PV glazing can be formed in a way where the clear
glass can be adjusted between the upper and lower part of the entire construction, then the glare can be
prevented, as shown in Figure 4. In addition, such structure provides the necessary daylight with the view
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sight as the clear glass is situated in the middle part of it. As seen in Figure 4, PV panels do not take the
whole space of the window and provide enough room for the clear glass.
Figure 4. APS Facility in California, interior space.
3.3. Inclined walls with PV panels
In this particular type of arrangement, the efficiency of PV panels is enhanced as they are tilted, that
includes complexity in the design of the building. Figure 5 provides a detailed picture of the inclined PV
panels at the University of North Umbria, UK [62]. The most amazing thing of this configuration is that such
design can be utilized with any kind of commercial PV panels, which means, its use is not limited to
window-based technology, because such design creates a degree of self-shading.
Figure 5. Inclined PV panels at the University of Northumbria, UK [62].
3.4. Fixed Sunshade
Configurations such as shown in Figure 6 can enhance the shading benefits in order to reduce glare.
However, such structures can avoid the proper access of daylight. In this kind of configuration, mostly
standard PV modules are attached using a metal frame to the envelope of the building. The construction of
such configuration is also easy as it takes the same procedure as installing regular sunshades on the building.
Nonetheless, the main advantage of this configuration is that it can be constructed even with shading
from adjacent buildings and, in such case, all kinds of PV panels are functional. The nature of this
configuration is more convenient as it provides different alternative choices to the designers and maintenance
[62]. In Figure 7, the example is taken from a commercial office building in Switzerland, built in 1993 which
shows how a fixed sunshade can be operated in an efficient way.
The tilting of the panels increases the efficiency of the PV panels. Moreover, in such configuration,
PV laminates are accommodated in a way that can provide a flat surface for shading elements and also rear
ventilation that dissipates the generated heat.
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Figure 6. Samsung commercial office building in Seoul, Korea, integrated in fixed sunshades and the roof of
the system [63]
Figure 7. Fixed sunshades in the SUVA building. A commercial office building in Switzerland, built in 1993
[64]
3.5. Moveable sunshades
Moveable sunshades are the most efficient configuration in regards to solar panel, as it can achieve
the greatest efficiency with all the advantages of fixed sunshades. Such configuration works with the change
of tilting according to solar radiation level. Such adjustments can be made either manually or electrical and
mechanical means.
Example of moveable sunshades applied in a commercial office building is shown in Figure 8 which
is situated in Switzerland. It is true that due to the added feature of moving sunshades, such configuration
may be a little expensive; nevertheless, the efficiency of producing energy is greater than other solar
configurations.
Figure 8. Moveable sunshades in a commercial office building, in Switzerland [62]
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4. POSSIBILITY OF BIPV IN TROPICAL CLIMATES: CASE STUDY OF NIGERIA
Nigeria is known for its tropical weather. Nigeria is situated approximately between latitude 4°-
14°N and longitude 2°-15°E with a landmass of 9.24 x 105 km2
and receives 6.25 hours of average daily
sunshine, which ranges between 3.5 hours at the coastal areas and, in case of northern border, it turns out to
be 9.0 hours [65]. The country is also known for its huge energy consumption, estimated as 15 x 106kWh per
year, according to 2001 index [65]. In addition, only 3.7% of Nigeria's land area is required to produce
energy through solar means in comparison with conventional energy reserves of fossil fuel the that has been
in process now [66].
The climate depends on the tropical to subtropical regions. Nigerian territory has two seasons: dry
season, which lasts from October to March, and rainy season, from April to October. Northern region
generally has hot and dry climate where the rainy season lasts from April to September. Whereas, in the
southern region, the climate is generally hot and wet, and the rainy season extends from March to December.
Therefore, in general, Nigeria enjoys a long dry season from December to March [67]. In the coastal area, the
temperature may rise above 32°C in this time. Meanwhile, the north enjoys drier temperatures, ranged
between 32°C and 42°C. Generally, the humidity remains approximately 95% during this period of time [66].
Furthermore, in Nigeria, solar PV installations have steeply declined over the years and are
forecasted to continue declining due to the struggles in the optimal harnessing of the solar electricity as a
sustainable resource. The challenge remains to be the development of solar energy which solves
technological installation problems, unclear governmental policy and politics, economic inefficiency in
purchasing such power, lack of public awareness and cultural integration. It is already a fact that solar energy
is the most abundant renewable resource in Nigeria because of the broad daylight which on average provides
sunshine of 6.5 hour/day.
According to the literature [68], the best PV energy production results in Nigeria are achieved when
using a 60
tilting angle. In addition, it was suggested that between January and March, the best tilting angle
will be 60
, 240
and 300
respectively, and 00
between April and September, and 180
, 300
and 360
between
October and December respectively. An energy amount of 192.70 W/m2
can be produced with the adjustment
of the tilting angle to its optimum angle, according to the month. It increases significantly about 3 % in
comparison to applying fixed angle, which produces 186.86 W/m2
.
To obtain maximum power output from solar PV, and since Nigeria is close to the equator, the solar
collectors must be with a slight tilt of 60
near the north or south, as shown in Figure 9. The maximum amount
of energy year-round can be absorbed by inclining the solar panel at an angle closer to the latitude of the area
as possible. These requirements are necessary for maximum power from BIPV.
Figure 9. Mounting angles for fixed solar collectors in Africa [70]
Although BIPV has not been yet implemented in Nigeria, it is possible to introduce it in Nigerian
buildings, if some issues are addressed. Such considerations include market failure and distortions, financial
and economic constraints, lack of government and institutional policies and incentives, lack of awareness and
public information. A large number of abandoned PV initiatives in Nigeria are should also be addressed,
including all the already installed renewable energy infrastructures that are inefficient [69]. For BIPV to be
fully implemented in a tropical region, like Nigeria, buildings must be constructed with materials having high
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thermal storage capability. There is also need for proper coating in roofing and ceilings. Solar tracking can
also be an option to minimize direct sun radiation on buildings and increase the power output. Since these
technologies are serving two functions (i.e. electricity and heating in buildings), they must conform to the
codes and standards of both solar and building industry. To encourage builders and private investors to use
BIPV, the governments should establish appropriate environmental policies and subsidies, with well-
structured feed-in tariffs. Also, for successful implementation of the BIPV technologies, the building
engineers must have a good understanding of building design that includes solar technology because the solar
elements must replace other building components and may reduce the overall building cost. This is vital,
because, nowadays most solar works on building are done solely by solar engineers without any input from
other building professionals.
5. CONCLUSION
This paper provides an overview of BIPV technologies. Specifically, the paper analyses the possible
implementation of this scheme in tropical climatic conditions. First, the BIPV technology has been reviewed
and several author contributions have been tabulated. Most BIPV concentrates on new designs to improve the
efficiency, such as novel cooling techniques and system arrangements. Literature extensively reports the
electric power generating capacity of BIPV, with efficiency reaching between 5-18%, as well as many
applications relating to roof top and façade BIPV.
In order to get higher power output from the BIPV, certain factors need to be considered, for
example, slope of the PV, shadowing effect, temperature and the direction of the building. A lot of research
on BIPV shows simulation and computational analysis because it is easier and cheaper for evaluation and
encouraging results have been reported. In general, silicon-based PV modules have been applied to BIPV
applications. Recently, there have been rising interests in BIPV systems with low cost and investment
feasibility. Recent researches proposed the application of dye-sensitive solar cell technology as a solution for
BIPV technology.
The BIPV-thermal is another system that made tremendous progress due to its high cost of
implementation. It has the advantage of providing both power and heating systems for buildings. Several
researches proposed that it is a promising technology for the future.
After reviewing the literature, some of the lessons that tropical climate regions can learn from the
BIPV include: (1) In order to fully implement BIPV with high efficiency, certain studies must be done
relating to electrical load demand, predicted PV output, location of the buildings and its integration and
constraints associated with roof design, (2) To obtain maximum power output from solar PV the solar
collectors must be tilted to the correct position, (3) To implement BIPV, design criteria such as safety,
efficiency, durability, flexibility and construction issues need to be considered, (4) To be able to implement
BIPV, the government must train electricians and carpenters on PV installations, (5) To implement a good
system, the BIPV roofing must perform same function as normal roofing, that is, noise protection, water
tightness, insulation and climate protection, (6) As practiced around the world, each country should establish
design standards for the BIPV. These standards shall provide protection from wind, precipitation,
temperature and solar irradiation for greater comfort, (7) For a tropical region like Nigeria, thermal comfort
for residents must be considered when designing BIPV technology. If possible, techniques to reduce thermal
heating on buildings surfaces must be implemented.
ACKNOWLEDGEMENTS
The authors would like to thank Ministry of Higher Education (MOHE), Malaysia via Universiti
Teknologi Malaysia (UTM) (Research cost centre no. Q.K130000.3556.06G43), the Agencia Nacional de
Investigación y Desarrollo (through the project Fondecyt regular 1200055 and the project Fondef
ID19I10165), project PI_m_19_01 (UTFSM) and by Universiti Kuala Lumpur under the Short Term
Research Grant (STRG) STR18022.
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BIOGRAPHIES OF AUTHORS
Mohammed Abdullahi Mu’azu is currently an Assistant Professor in department of Civil
Engineering, College of Engineering, University of Hafr Al Batin (Kingdom of Saudi Arabia).
He graduated in 1999 with a B. Eng. Civil Engineering from Bayero University, Kano (Nigeria),
with Master’s degree in Civil Engineering from the famous Ahmadu Bello University, Zaria
(Nigeria). He later joined Universiti Teknologi, Malaysia where he obtained his PhD in Civil
Engineering. He worked previously with the following institutions of higher learning as follows;
Federal University of Technology, Minna (Nigeria), Universiti Tecknologi, Malaysia and Jubail
University College (Kingdom of Saudi Arabia). He was involved in teaching and research apart
from administrative duties including been a chairperson and course director of a department. He
was also deeply involved in quality assurance and accreditations committees, coupled with a
quite number of publications in reputable journals and conferences to his name.
Abdullahi Abubakar Mas’ud, (PhD, CEng, MIET) received his BEng. degree in Electrical
Engineering from Ahmadu Bello University (ABU) in 1999. Subsequently, he pursued his
Masters degree in the same discipline at ABU and graduated in 2003. He also obtained a PhD in
Electrical Engineering in 2013 from the Glasgow Caledonian University, Scotland, UK, under
the supervision of Prof. Brian Stewart and Prof. Scott McMeekin. In 2002 he became an assistant
lecturer in the Faculty of Engineering at the Ahmadu Bello University, Zaria, Nigeria. In 2013 he
joined Jubail Industrial College, Saudi Arabia, and is currently an Associate Professor in the
Department of Electrical and Electronic Engineering. He has published a number of papers in
high impact factor journals and conference proceedings in the area of high voltage partial
discharge and renewable energy. He is a Chartered Engineer and a Member of the IET,
International association of Engineers and a registered Engineer (COREN) Nigeria.
Ibrahim Mas’ud (MNSE, MNIMechE) received his BEng. degree in Mechanical Engineering
from Bayero University Kano (BUK) in 2009. Subsequently, he pursued his Master’s degree in
the same discipline at Shibaura Institute of Technology, Tokyo Japan. He has added several
international conferences and got some outstanding awards in his research projects. In 2010 he
joined he National Agency for Science and Engineering Infrastructure (NASENI) Nigeria as a
renewable Energy Engineer where he is currently a senior research engineer in the field of
renewable energy and other emerging technologies. He is a registered Engineer (COREN)
Nigeria.
Firdaus Muhammad-Sukki (MEng, PhD, CEng, MIET, ACGI, FHEA) is currently a Lecturer
at the School of Engineering and the Built Environment, Edinburgh Napier University. His
research interest is in the area of renewable energy technology and policies and sustainable
resources. He has secured multiple grants from the UK and international funding agencies such
as Innovate UK, Scottish Funding Council, British Council - Newton Fund, Ministry of Higher
Education Malaysia, Universiti Teknologi Malaysia etc. He also carried out a number of non-
technical research including market trend and financial analysis related to renewable
technologies for various countries. He has published numerous articles in high impact factor
journals (e.g. Nature, Renewable & Sustainable Energy Reviews, Applied Energy, etc.), as well
as presenting in various conferences related to his area. Prior to joining the academia, he was a
communication engineer in Malaysia’s largest telecommunication company.
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Jorge Alfredo Ardila Rey was born in Santander, Colombia, in 1984. He received the B.Sc.
degree in mechatronic engineering from Universidad de Pamplona, Pamplona Colombia in 2007.
He received the Specialist Officer degree in Naval Engineering from Escuela Naval Almirante
Padilla, Cartagena, Colombia in 2008. He received the M.Sc. and Ph.D. degrees in electrical
engineering from Universidad Carlos III de Madrid (UC3M) in 2012 and 2014, respectively. He
was an Automatic Control Engineer of ARC Almirante Padilla from 2008 to 2010. From 2010 to
2014, he worked in the Department of Electrical Engineering and the High-Voltage Research
and test Laboratory (LINEALT) at UC3M. He is currently working as a Professor at the
Department of Electrical Engineering of Universidad Técnica Federico Santa María at Santiago
of Chile. His research interests include partial discharges, insulation systems diagnosis and
instrumentation and measurement techniques for high frequency currents.
Ridoan Karim is a Lecturer at the Department of Business Law and Taxation, School of
Business, Monash University Malaysia. He has taught and researched in the fields of business
and international trade law. Being a passionate researcher and academic, Ridoan has widely
published in peer-reviewed journals and presented papers in several national and international
conferences in his areas of interest, i.e. ‘legal and regulatory aspects of energy’, ‘science,
technology and law’, ‘privacy and data protection law’, ‘human rights law’, ‘health and medical
law’, ‘legal research’, and ‘Asian and comparative law’, etc. Ridoan also regularly writes
columns on a wide range of national and international legal and non-legal issues widely
circulated in national and international newspapers. Ridoan had acted as a Consultant and Fellow
in projects funded by the University of Malaya, Malaysia.
Ahmad Shakir Mohd Saudi is a Senior Lecturer at Institute of Medical Science Technology,
Universiti Kuala Lumpur, Malaysia. He is very active in research and was being appointed as
Principal Research Investigator of Environmental Health Research Cluster, (EHReC- UniKL) in
2017. His PhD degree in Environmental Forensic Science with the study on the development of
flood risk index. He is an expert in Chemometric techniques and data modeling. He has
published numerous of book and academic papers that related with big data, risk analysis and
environmental data modeling. Recently, he is working on with biomedical science research that
focused on the development of gadget that able to alarm an early warning for Retinopathy
diseases among diabetic patients. He was being appointed as an editorial board by several high
impact publishers as an appreciation of his high quality of work in research. His contribution in
his field also has been recognized from several local universities in Malaysia. This recognition
was proven since he was being appointed as a subject matter expert under Open University
Malaysia and allied co- researcher members under Cyber Security and System Unit, Universiti
Sains Islam Malaysia.
Nurul Aini Bani is a senior lecturer in the Razak Faculty of Technology and Informatics,
Universiti Teknologi Malaysia Kuala Lumpur. She received her M.Eng degree in Electrical
Engineering from University of Southampton, UK in 2006 where she received two academic
awards for outstanding academic performance. She received her PhD degree in Electrical
Engineering from Universiti Teknologi Malaysia (UTM). Her research interests include
polymeric insulation material, space charge measurement, high voltage cable, renewable energy,
rural technology and rehabilitation engineering. Her current work concentrates on developing
low cost renewable energy system for rural and remote area, namely solar concentrator and
saltwater battery. She also currently works on the development of an IoT system for monitoring
health status especially for post stroke and post brain injury patient. She has authored and co-
authored several papers in various technical and high impact factor journals as well as
conference proceedings. She also actively involves in many community programs.
Asan Vernyuy Wirba, has a career in leadership and Management for over 14 years, and
Associate Professor of leadership and Management at the Department of Management and
Information Technology (MIT), Jubail Industrial College (JIC), Royal Commission, Jubail
Industrial City, Saudi Arabia, and has a wealth of experience in teaching, training, research,
business, consulting, great interest in solar energy and academic management. He holds a Ph.D.
from The University of Manchester, UK.