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www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
Helena Gibert
NATURGY
General Assembly Stockholm 3 December 2019
Stockholm Cologne Barcelona
Implementing Low Energy Districts in European
Cities - GrowSmarter
Building energy retrofitting
www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
30,000 sqm of building area refurbished including active and passive
measures
Technical scope
I-Scope II-KPI‘s III-Lessons learnt IV-Replication
• Building year: 1960
• Façade insulation
(6cm SATE)
• Window
replacement and
solar shading
• Boiler replacement
• Water saving taps
• Smart Home
System
CANYELLES (5180 m2)
• Building year: 1930
• Façade insulation
(6cm SATE)
• Window
replacement
• Water saving taps
• Smart Home
System
TER 31 (393 m2)
• Building Year:1940
• Façade insulation
(8cm SATE)
• Window
replacement
• Water saving taps
• Smart Home
System
LOPE DE VEGA
111 (1015 m2)
• Building
year:2000
• District Heating
connection for
heating demand
• Update of the
existing BEMs
• Smart Home
Systems
MELON DISTRICT
(13000 m2)
www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
30,000 sqm of building area refurbished including active and passive
measures
Technical scope
I-Scope II-KPI‘s III-Lessons learnt IV-Replication
• Insulation of the
swimming pool
basin
• LEDs
replacement
• Boiler
replacement
and heat pump
with heat
recovery
• New
dehumidifier
• Sectorized heat
distribution
network
• BEMs
CEM CLAROR
• Insulation of
rooftop
• LEDs
replacement
• Window
replacement
• VRV systems
• BEMs
HOTEL H10
• Photovoltaic
installation of
15kWp (Solar
CIS)
• BEMs
installation
ESCOLA SERT
www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
72kWp of self-consumption with an integrated Energy Management System
(EMS) operating the batteries
Technical scope
I-Scope II-KPI‘s III-Lessons learnt IV-Replication
• 2.6kWp of
Polycristaline
(BENQ of
265Wp)
• Hybrid System
FRONIUS
• Battery of
4.5kWh
SIBELIUS
• 11kWp of
Polycristaline
(REC of
275Wp)
• SMA Inverters
• BYD Battery
VALLDONZELLES
• 58kWp (Half
Cell modules of
290kWp)
• Huawei
inverters and
Schneider
chargers
• SAFT Battery
of 40kWh
BTC NATURGY
www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
Public Private Partnerships (PPPs) with the Catalan Housing Agency for
Canyelles and Energy Performance Contracts (EPCs) for an sport centre
Economic scope
I-Scope II-KPI‘s III-Lessons learnt IV-Replication
Energy
invoices
Before EPC During EPC
Energy
invoices
Savings
ESCo
Client
After EPC
Energy
invoices
Savings Client
Scheme of an EPC contract CEM Claror example
12.5 years of payback
Investment
Electricity
savings
Gas Savings
0 €
50,000 €
100,000 €
150,000 €
200,000 €
250,000 €
300,000 €
350,000 €
400,000 €
450,000 €
500,000 €
www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
Need to include other indicators besides energy and emission savings on the
evaluation of energy refurbishment
Technical and Economic Indicators
I-Scope II-KPI‘s III-Lessons learnt IV-Replication
CANYELLES TER 31 LOPE DE VEGA MELON DISTRICT
 12% in Final
Energy
 40 % in Primary
Energy
 61% heating 39% cooling
 33% in Electricity
 61 % in Gas
 20% in Primary Energy
 10-60% Air Leakage
 Increase in confort
(questionnaires)
 13% property value
 41% heating
 20% in Final Energy
 41% in Primary Energy
 30-63% Air Leakage
 Increase in confort
(questionnaires)
 35% heating
 17% in Final Energy
 35% in Primary Energy
 39-48% Air Leakage
 Increase in confort
(questionnaires)
www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
A number of barriers have been identified that need to be solved for the
residential refurbishment to be fully deployed in mild climates
Learnings and conclusions
I-Scope II-KPI‘s III-Lessons learnt IV-Replication
 Type of property: large part of dwellings are in multifamily houses and ownership is really
fragmented. There are in average 15-25 family units per building.
 Income levels: 45% of all dwellings is lower than 1,500€. Different incomes on all dwellings and
different willingness to pay within a building.
 No planning for long-term on multifamily buildings: need to include energy aspects on the
technical building inspections.
National Context
Technical barriers
 Complex norms and ordinances: interventions on the façades are considered as an increase of
volume, hence higher license procedure. Local ordinances do not account for rooftops as energy
generators spaces.
 Lack of accuracy on the works implementation. Need to include performance contracts into the
contractors bid.
Economic barriers
 Large paybacks in mild climates: paybacks can reach 30 years or in case no heatin demand on
the baseline, there will be directly no payback.Need to value other factors than energy savings
 Difficulty to access financing: ownership communities struggle to apply jointly for finance. High
interests for a consumer loan and not able to apply for a mortgage loan.
 Subsidies need to be restructured and be designed to dynamize the market
www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
MARKETING
PRELIMINAR
Y OFFER
BUILDING
AUDIT
LICITATION &
FINAL OFFER
FINANCING
(FUNDING
MGMT)
WORKS AND
QUALITY
COMISSIONING
EVALUATION
Keywords on lessons learnt and related stakeholders on the project lifecycle
Learnings and conclusions
I-Scope II-KPI‘s III-Lessons learnt IV-Replication
Citizen education
PUBLIC ADMINISTRATION
ENERGY COMPANIES
FINANCING ENTITIES
CONTRACTORS & MANUFACTURERS
Citizen
engagement
Long term
planning
BUILDING OWNERS
Adequacy of
subsidies
Refurbishment
synergies
Risk ensurance
Other concepts than
savings: thermal confort,
noise, health,
productivity, air quality,
property value
Support on building
diagnosis
Ease ordinances
procedures
Performance contract on
licitations
Evaluation of
works
Maintenance and
monitoring
Trainning
Behaviour
www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
Large market to exploit but need to establish sound and secure business
models for the private sector to invest
Roll out of residential refurbishment services
I-Scope II-KPI‘s III-Lessons learnt IV-Replication
 The National Enery & Climate Plan (2021-2030) establishes 1.2M of residential building to be
refurbished in the coming 10 years with a budget of 44M€ (80% coming for the private sector)
 On the Photovoltaic self consumption: an objective of 300-700MW per year to 2030 at Spanish
level and 200MW per year to 2030 at Catalan level.
Potential market
Naturgy actions
 Public and Private stakeholder discussions (contractors, manufacturers, administration,
engineering and architecture, financing, etc.) to build a sound business model for different housing
typologies.
 Definition of different level interventions to build an off-the shelve product for residential
refurbishment
www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019
Get the latest updates by signing up online!
This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement no 646456.
The sole responsibility for the content of this presentation lies with the GrowSmarter project and in no way reflects the views of the European Union.
Helena Gibert
Contact details
hmgibert@naturgy.com
THANK YOU!

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Building energy retrofitting, naturgy

  • 1. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 Helena Gibert NATURGY General Assembly Stockholm 3 December 2019 Stockholm Cologne Barcelona Implementing Low Energy Districts in European Cities - GrowSmarter Building energy retrofitting
  • 2. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 30,000 sqm of building area refurbished including active and passive measures Technical scope I-Scope II-KPI‘s III-Lessons learnt IV-Replication • Building year: 1960 • Façade insulation (6cm SATE) • Window replacement and solar shading • Boiler replacement • Water saving taps • Smart Home System CANYELLES (5180 m2) • Building year: 1930 • Façade insulation (6cm SATE) • Window replacement • Water saving taps • Smart Home System TER 31 (393 m2) • Building Year:1940 • Façade insulation (8cm SATE) • Window replacement • Water saving taps • Smart Home System LOPE DE VEGA 111 (1015 m2) • Building year:2000 • District Heating connection for heating demand • Update of the existing BEMs • Smart Home Systems MELON DISTRICT (13000 m2)
  • 3. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 30,000 sqm of building area refurbished including active and passive measures Technical scope I-Scope II-KPI‘s III-Lessons learnt IV-Replication • Insulation of the swimming pool basin • LEDs replacement • Boiler replacement and heat pump with heat recovery • New dehumidifier • Sectorized heat distribution network • BEMs CEM CLAROR • Insulation of rooftop • LEDs replacement • Window replacement • VRV systems • BEMs HOTEL H10 • Photovoltaic installation of 15kWp (Solar CIS) • BEMs installation ESCOLA SERT
  • 4. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 72kWp of self-consumption with an integrated Energy Management System (EMS) operating the batteries Technical scope I-Scope II-KPI‘s III-Lessons learnt IV-Replication • 2.6kWp of Polycristaline (BENQ of 265Wp) • Hybrid System FRONIUS • Battery of 4.5kWh SIBELIUS • 11kWp of Polycristaline (REC of 275Wp) • SMA Inverters • BYD Battery VALLDONZELLES • 58kWp (Half Cell modules of 290kWp) • Huawei inverters and Schneider chargers • SAFT Battery of 40kWh BTC NATURGY
  • 5. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 Public Private Partnerships (PPPs) with the Catalan Housing Agency for Canyelles and Energy Performance Contracts (EPCs) for an sport centre Economic scope I-Scope II-KPI‘s III-Lessons learnt IV-Replication Energy invoices Before EPC During EPC Energy invoices Savings ESCo Client After EPC Energy invoices Savings Client Scheme of an EPC contract CEM Claror example 12.5 years of payback Investment Electricity savings Gas Savings 0 € 50,000 € 100,000 € 150,000 € 200,000 € 250,000 € 300,000 € 350,000 € 400,000 € 450,000 € 500,000 €
  • 6. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 Need to include other indicators besides energy and emission savings on the evaluation of energy refurbishment Technical and Economic Indicators I-Scope II-KPI‘s III-Lessons learnt IV-Replication CANYELLES TER 31 LOPE DE VEGA MELON DISTRICT  12% in Final Energy  40 % in Primary Energy  61% heating 39% cooling  33% in Electricity  61 % in Gas  20% in Primary Energy  10-60% Air Leakage  Increase in confort (questionnaires)  13% property value  41% heating  20% in Final Energy  41% in Primary Energy  30-63% Air Leakage  Increase in confort (questionnaires)  35% heating  17% in Final Energy  35% in Primary Energy  39-48% Air Leakage  Increase in confort (questionnaires)
  • 7. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 A number of barriers have been identified that need to be solved for the residential refurbishment to be fully deployed in mild climates Learnings and conclusions I-Scope II-KPI‘s III-Lessons learnt IV-Replication  Type of property: large part of dwellings are in multifamily houses and ownership is really fragmented. There are in average 15-25 family units per building.  Income levels: 45% of all dwellings is lower than 1,500€. Different incomes on all dwellings and different willingness to pay within a building.  No planning for long-term on multifamily buildings: need to include energy aspects on the technical building inspections. National Context Technical barriers  Complex norms and ordinances: interventions on the façades are considered as an increase of volume, hence higher license procedure. Local ordinances do not account for rooftops as energy generators spaces.  Lack of accuracy on the works implementation. Need to include performance contracts into the contractors bid. Economic barriers  Large paybacks in mild climates: paybacks can reach 30 years or in case no heatin demand on the baseline, there will be directly no payback.Need to value other factors than energy savings  Difficulty to access financing: ownership communities struggle to apply jointly for finance. High interests for a consumer loan and not able to apply for a mortgage loan.  Subsidies need to be restructured and be designed to dynamize the market
  • 8. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 MARKETING PRELIMINAR Y OFFER BUILDING AUDIT LICITATION & FINAL OFFER FINANCING (FUNDING MGMT) WORKS AND QUALITY COMISSIONING EVALUATION Keywords on lessons learnt and related stakeholders on the project lifecycle Learnings and conclusions I-Scope II-KPI‘s III-Lessons learnt IV-Replication Citizen education PUBLIC ADMINISTRATION ENERGY COMPANIES FINANCING ENTITIES CONTRACTORS & MANUFACTURERS Citizen engagement Long term planning BUILDING OWNERS Adequacy of subsidies Refurbishment synergies Risk ensurance Other concepts than savings: thermal confort, noise, health, productivity, air quality, property value Support on building diagnosis Ease ordinances procedures Performance contract on licitations Evaluation of works Maintenance and monitoring Trainning Behaviour
  • 9. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 Large market to exploit but need to establish sound and secure business models for the private sector to invest Roll out of residential refurbishment services I-Scope II-KPI‘s III-Lessons learnt IV-Replication  The National Enery & Climate Plan (2021-2030) establishes 1.2M of residential building to be refurbished in the coming 10 years with a budget of 44M€ (80% coming for the private sector)  On the Photovoltaic self consumption: an objective of 300-700MW per year to 2030 at Spanish level and 200MW per year to 2030 at Catalan level. Potential market Naturgy actions  Public and Private stakeholder discussions (contractors, manufacturers, administration, engineering and architecture, financing, etc.) to build a sound business model for different housing typologies.  Definition of different level interventions to build an off-the shelve product for residential refurbishment
  • 10. www.grow-smarter.eu Final Conference I GrowSmarter I 03.12.2019 Get the latest updates by signing up online! This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement no 646456. The sole responsibility for the content of this presentation lies with the GrowSmarter project and in no way reflects the views of the European Union. Helena Gibert Contact details hmgibert@naturgy.com THANK YOU!