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Zero Emission Buildings in Norway Research centre and pilot buildings Research Manager Birgit Risholt ZEB/SINTEF Energineutralt byggeri, Aalborg 26.05.2014
ZEB’s main objec�ve is to develop compe��ve products and solu�ons for exis�ng and new buildings that will lead to market penetra�on of buildings with zero greenhouse gas emissions related to their produc�on, opera�on, and demoli�on. The centre will encompass both residen�al, commercial, and public buildings. www.zeb.no
Illustra�on: Snøhe�a/MIR
ZEB Facts Host ins�tu�on: NTNU Research partners: SINTEF Building and Infrastructure and SINTEF Energy Research
Industry and public partners: 22 (4 new)
Start date (contract with RCN signed): November 2009 Total budget: ca. 290 MNOK (+ addi�onal to research infrastructure)
Researchers associated with the Centre: about 25 (most part �me) PhD candidates: 21 – 2 finished in 2013 – 3-‐5 expected to complete during 2014 – 15 is partly/directly funded by ZEB
Post docs: 4
ZEB – a na�onal team Skanska Caverion Weber Isola Glava Protan Hydro/Sapa NorDan Velux DuPont Brødrene Dahl Mul�consult Snøhe�a ByBo Entra Eiendom Forsvarsbygg Statsbygg Enova Husbanken Direktoratet for byggkvalitet Byggenæringens landsforening Norsk Teknologi NTNU SINTEF, SINTEF Energiforskning Norges forskningsråd I dialog: NTE, BKK, Siemens, Sør-‐Trøndelag fylkeskommune
§ Users (the reference group) § Contractors § Producers of materials and products
for the building industry § Consultants, architects § Trade organiza�ons § Property managers § Public administra�on § University and research ins�tu�ons § The Research Council
The ZEB research ac�vi�es ZEB focuses its work in five areas that interact and influence each other:
– WP1 Advanced materials technologies – WP2 Climate-‐adapted low-‐energy envelope technologies – WP3 Energy supply systems and services – WP4 Use, opera�on, and implementa�on – WP5 Concepts and strategies
A world where buildings do not contribute with greenhouse gas emissions
WP5 Concepts and Strategies for ZEBs Main goal: Develop concrete concepts for zero emission buildings which can be translated into realized pilot buildings within the �me frame of the Centre. Research examples: ZEB defini�on ZEB concepts Pilot buildings Contact: Birgit Risholt (birgit.risholt@sintef.no)
Zero Emission Buildings -‐ The Challenge:
The main concept of a zero emission building is that renewable energy sources produced or transformed at the building site have to compensate for CO2 emissions from opera�on of the building and for produc�on, transport and demoli�on of all the building materials and components during the life cycle of the building.
Energy standard, single family houses in Norway
-‐100 -‐50 0
50 100 150 200 250
Today's average standard
Buildings code, 2007
Passive house
standard Net zero energy
Plus energy
Annu
ally ene
rgy de
man
d/prod
uc�o
n: kWh/
m2
Energy demand Energy produc�on Source: SINTEF Byggforsk
Lifecycle for a building
Materials, M Raw materials, produc�on , transport
Construc�on, C Transport, construc�on, installa�on
Opera�on, O Energy use, maintenance, renova�on, replacement
End of Life, E Demoli�on, waste
NS-‐EN 15978 – lifecycle analysis
A1–3 A4–5 B1-‐5 C1–4
Suppl. info beyond the building life cycle. D
PRODUCT STAGE
CONSTRUC-‐TION
USE STAGE END-‐OF-‐LIFE Benefit/load beyond syst. boundary
A1 A2 A3 A4 A5 B1 B2 B3 B4 B5 C1 C2 C3 C4 D
Raw m
aterial sup
ply
Tran
sport
Man
ufacturin
g
Tran
sport
Construc�o
n installa�o
n process
Use
Mainten
ance
Repa
ir
Replacem
ent
Refurbish
men
t
Deconstruc�o
n de
moli�on
Tran
sport
Waste processing
Disposal
Reuse-‐Re
covery-‐Recycling
poten�
al
Materials Construc-‐�on
Opera�on End of life
Source: Dokka et al, PassivhusNorden 2013
ZEB defini�on – inclusion of embodied emissions
1. ZEB Ambi�on level 2. Procedures for calcula�on
– Func�onal unit, system boundaries, embodied emissions, transport, construc�on, waste
3. CO2-‐factors 4. Service life�me 5. Time perspec�ve 6. Minimum requirements for ZEB – O and ZEB-‐O÷Eq 7. Emissions payback calcula�ons 8. Verifica�on Kristjansdo�r, Fjeldheim, Selvig, Risholt, Time,
Georges, Dokka, Bourelle, Bohne and Cervenka, A Norwegian ZEB Defini�on: Inclusion of embodied emissions, ZEB June 2014
Concept work Shoe box models Four storey office building 1. BIM-‐modelled 2. Detailed LCA and GHG calcula�ons 3. Detailed simula�on of building,
installa�ons and energy supply. 4. Building integrated PV balancing
CO2 emissions
Typical Norwegian office building with renewable energy produc�on on site
"Passive house" building envelope – Concrete in founda�on and load bearing structure – Wood frame wall
LED ligh�ng and energy efficient appliances Solar cells for electricity produc�on Ground to water heat pump and solar collector for heat produc�on
Hydronic hea�ng system Ven�la�on system with rotary wheel heat exchanger
Concept work – Office building
Concept work – Office building
ZEB-‐Pilot Buildings 1. Powerhouse Kjørbo – Sandvika. Renova�on
of 2 office blocks to ZEB-‐OM (minus EQ). 2. Mul�komfort-‐Larvik: Single family house,
ZEB-‐OM. 3. ZEB Living Lab, Trondheim. Single family
house on NTNU campus. ZEB-‐OM 4. Skarpnes Arendal: 37 dwellings, ZEB-‐O. 5. Haakonsvern – Bergen. Small office building,
ZEB-‐O (minus EQ) 6. Ådland -‐ Bergen: +500 dwellings, ZEB-‐O. 7. Powerhouse Bra�øra – Trondheim. Large
office building, ZEB-‐OM (minus EQ).
Two exis�ng office buildings, each 2500 m2, renovated to plus energy performance level ZEB ambi�on level: ZEB-‐OM minus EQ Status: Finished and in use since 24th April 2014 (Asplan Viak) Involved ZEB partners: Entra (owner of buildings, Skanska (contractor), Hydro/SAPA, Snøhe�a ZEB contact person: Hans Mar�n Mathisen hans.m.mathisen@ntnu.no ZEB researchers involved: Berit Time, Torhildur Kristjansdo�r, Tor Helge Dokka, Inger Andresen, Thomas Berker
Powerhouse Kjørbo, Sandvika
Powerhouse Kjørbo Burnt wooden cladding has replaced the original glassed façade
The largest PV plant in Norway
Powerhouse Kjørbo Internal stairs and exhaust air channel Air inlet and air hea�ng/cooling from central core Acous�c elements made of recycled plas�c bo�les Reuse of glass from original windows
Powerhouse Kjørbo Increased window area Open office areas Exposed concrete surfaces for heat storage
Detached house, 200 m2, demonstra�on at Climate centre of Brødrene Dahl in Larvik ZEB ambi�on level: ZEB – O or ZEB – OM (no emissions for hea�ng/cooling and opera�on, and from materials) Status: Under construc�on. Involved ZEB partners: Brødrene Dahl , Snøhe�a and Isola. ZEB contact person: Anne Gunnarshaug Lien anne.g.lien@sintef.no ZEB researchers involved: Torhildur Kristjansdo�r, Tor Helge Dokka, Berit Time, Sivert Uvsløkk
Mul�comfort, Larvik
ZEB Living Lab 100 m² living area ZEB-‐Opera�on Building Integrated Photo-‐voltaics: 80 m2
Solar panel in the facade Ground to water heat pump
Heat recovery system
Skarpnes, Arendal
40 dwelling: 20 apartments, 20 detached houses Total built area: 4500 m2. ZEB ambi�on level: ZEB – Opera�on (no emissions for hea�ng/cooling and opera�on) Status: Marke�ng of dwellings started in August 2013. Construc�on started in December 2013. Funding from Enova: Passive house performance, renewable energy, PV Involved ZEB partners: Skanska, Mul�Consult and Weber. ZEB contact person: Birgit Risholt birgit.risholt@sintef.no ZEB researchers involved: Anna Svensson, Birgit Risholt, Lars Gullbrekken, Thomas Berker, Karen Byskov Lindberg
Office building, 2000m2 ZEB ambi�on level: ZEB O-‐EQ Status: Approved by the Parliament Invita�on to tender published in summer 2013. Involved ZEB partners: Forsvarsbygg, Mul�consult ZEB contact person: Inger Andresen inger.andresen@sintef.no ZEB researchers involved: Jens Tønnesen, Thomas Berker, Berit Time, Tor Helge Dokka, Inger Andresen
Administrasjonsbygget Haakonsvern, Bergen
ZEB research centre and pilot buildings It is possible to construct Zero Emission Buildings even in a cold Norwegian climate Interdisciplinary research is a key parameter for success ...and please follow our research on www.zeb.no
Thank you for your a�en�on
www.zeb.no
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