Local Roadmaps Encourage Zero-Carbon Social Housing

Planning and assessment tool for the built environment

Boudewijn Elsinga, PhD

6th of November 2018 – Retrofit Europe

elsinga@w-e.nl

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

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

EU NEZEREU MODER

(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)

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

Stakeholders

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

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”

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)

€

Number, type and

size of thebuilding

stock

Energeticquality of the stock

Measure1

Measure2

NET CO2

emissionCosts andBeneftis

Results, KPI’s

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

Strategic planning

Business as

usual

New buildings

Net zero-energy

“NOM”

No Regret

Options

ton

ne

s/y

ea

rto

nn

es

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

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

Webbased (NL)

• Simplified input

• 12 segments

• Full functionality

• Early stage exploration and

discussion

• Introduction to in-depth analysis

Interested? kurstjens@w-e.nl

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