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Local Roadmaps Encourage Zero-Carbon Social Housing
Planning and assessment tool for the built environment
Boudewijn Elsinga, PhD
6th of November 2018 – Retrofit Europe
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W/E adviseurs duurzaam bouwenW/E consultants sustainable building
• 30 higher educated and highlyenthusiastic colleagues
• “Stichting” (cooperative, foundation)
• Utrecht & Eindhoven
• Co-authors: Harry Hoiting, Thijs Kurstjens, Erik Alsema, Geurt Donze
• www.w-e.nl/portfolio-item/lokale-routekaart-naar-co2-neutraal
• GPR software and certification
10-2017
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National Context
• Paris COP 2015
• #vangaslos (quit natural gas) by 2030
• Renovation of ~200,000 dwellings per year
• 100% renewable residential built environment by 2050
• Neighbourhoods approach (wijkaanpak)
• AEDES• Social Housing Assiciation trade organisation
• → 2021 “label B” convenant
• 2018 → standardized Roadmaps issued
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EU NEZEREU MODER
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(Local) Roadmap – In general
• W/E, Woonbond, RVO, VNG
(in association with AEDES)
• Tool for inclusive decision making andplanning of the energy transition
• Local (regional) partners
• Tool W/E consultants:
• Taylored advice
• Time resolved planning (year)
• Calibrated versus measured energy use
• National energy supply developments
• Embodied carbon (materials)
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Roadmap – our goals:
Answer to Questions:
“Speak the same language”
“When to do what?”
“How to reach zero-CO2 in 2050?”
“What kind of measures are realistic?”
Most importantly:
Support the client in investment decisions
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Stakeholders
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Roadmap – our clients:
• Municipalities
• Tilburg, Breda, Delft, …
• Social Housing Associations
• Antares, ZOWonen, De Alliantie, Ons Doel, Tiwos, TBV, Wonen Breburg, Alwel, Laurentius, ‘t Heem, Vidomes, Vestia, Duwo, Woonbron, …
• Real Estate Investors
• Syntrus Achmea Real Estate & Finance
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Roadmap definitions
CO2 emission:
• Building related energy use+ evt.
(optional default domestic use)
• NL e-mix: NEV’17 decline
(ECN part of TNO, CBS)Founded on national energy
calculation methodology
NEN 7210
EPG Nader Voorschrift
Correction for realistic
energy use “TUD - OTB”
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Roadmap – In general
• Technical model (Spreadsheet)• Building stock
• Fysical and energetic characteristics
• Renovation options• Insulation
• Ventilation
• Installation
• Heat network?
• Optimisation for:
• CO2 emission (net/cumulatief)
• Costs (investment)
• Benefits (energy bills tenants)
€
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Number, type and
size of thebuilding
stock
Energeticquality of the stock
Measure1
Measure2
NET CO2
emissionCosts andBeneftis
Results, KPI’s
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Energetic Measures
• Components:
• Insulation of heat loss surfaces
• Glass
• Rest (Floor, Wallls, Roof)
• Installation
• Heating (cooling default)
• Hot water
• Ventilation
• Solar PV
• Misc. (heat recovery, solar thermal, cooking gas)
• It is all about Balance
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Strategic planning
Business as
usual
New buildings
Net zero-energy
“NOM”
No Regret
Options
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ton
ne
s/y
ea
rto
nn
es
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Impact of Roadmap tool
• Social Housing NL
• 2,000,000 dwellings in theNetherlands
• 2017-2018: 200,000+dwellings in 10+ projects
• Unique Selling Points:
• Combination of Building level details and Macro-effects
• Time resolved and flexible
• Quantitative & Tangible
Location # of housing
units in road
map
CO2 reduction
expected in year
2050
(ton/yr)
Total
investment
until 2050
(mln €)
Clients #1-5 Delft, NL 7,000 17,500 170
Client 6 Amsterdam
Region, NL
55,000 139,000 1,040
Clients 7-9 Breda, NL 91,000 81,000 820
Clients 10-12 Tilburg, NL 41,000 105,000 1,130
Clients 13-16 Southeast NL 25,000 45,000 630
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Under construction:
• Utility buildings per 2018
• Embodied CO2 emissions
• Material use(building/maintenance/demolishing/spread out over lifetime)
• following “MPG”
• Infrastructure
• heat networks
• Roadmap as monitoring tool
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Webbased (NL)
• Simplified input
• 12 segments
• Full functionality
• Early stage exploration and
discussion
• Introduction to in-depth analysis
Interested? [email protected]
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W/E adviseurs is een enthousiast en creatief adviesbureau voor duurzaamheid in bouw, vastgoed en gebiedsontwikkeling. Al bijna vier decennia. Wij bieden klanten maatwerk in praktisch projectadvies over energie, bouwfysica en duurzaam bouwen en renoveren.
Organisaties ondersteunen we van visievorming tot handelen in de dagelijkse praktijk. We ontwikkelen kennis en software die duurzaamheid inzichtelijk, eenvoudig meetbaar en bespreekbaar maakt. In cursussen delen wij onze kennis en inzichten met u. W/E werkt voor en met iedereen met ambitie.
Vestiging Eindhoven
Jan van Hooffstraat 8E5611 ED Eindhoven040 235 8450
THANK YOU FOR YOURATTENTION
Vestiging Utrecht
Arthur van Schendelstraat 6503511 MJ Utrecht030 677 8777
This activity has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 680447