Energy efficiency in buildings Norway I Magnussen 2020 06 ... · 6fkhphv iru uhvhdufk ² &hqwuhviru...
Transcript of Energy efficiency in buildings Norway I Magnussen 2020 06 ... · 6fkhphv iru uhvhdufk ² &hqwuhviru...
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Energy efficiency in buildings
Ingrid H. MagnussenThe Norwegian Water Resources and Energy Directorate
http://webfileservice.nve.no/API/PublishedFiles/Download/200901069/2174217
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NVE - briefly
Energy consumption in NorwayHistorically and possible development
Energy efficiency in buildingsFrom the authority’s perspective
Content in presentation
Foto: I. Magnussen
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Department of Energy Systems
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Trends in energy consumption in Norway
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Energy consumption
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50
100
150
200
250
1990 2000 2010 2018 2030_E 2040_E
Tot
al e
nerg
y co
nsum
ptio
n -
[TW
h]
Electricity
Hydrogen
District heating
Bio
Gas
Coal
Oil (heating)
Fossil fuel
Rise in consumption since 1976
Energy consumption growth slows down
Consumption in buildings steady –despite growth in population
Transport consumption will go down
New consumption in industry
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Energy consumption stable – but electricity consumption is rising
0
50
100
150
200
250
1990 2000 2010 2018 2030_E 2040_E
Tot
al e
nerg
y co
nsum
ptio
n -
[TW
h]
Electricity
Hydrogen
District heating
Bio
Gas
Coal
Oil (heating)
Fossil fuel 50 5666 65 64 62
11
1 1 5 948
5652 59
72 767
1011
11
1212
0
50
100
150
200
250
1990 2000 2010 2018 2030_E 2040_E
Elec
tric
ity c
onsu
mpt
ion
-[T
Wh] Transmission losses
Industry, petroleumand data centres
Transport
Households andservices
electricity consumption is raising
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Energy consumption stable – but buildings consumption is expected to fall
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50
100
150
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1990 2000 2010 2018 2030_E 2040_E
Tot
al e
nerg
y co
nsum
ptio
n -
[TW
h]
Electricity
Hydrogen
District heating
Bio
Gas
Coal
Oil (heating)
Fossil fuel
0
50
100
150
200
250
2016
2018
2020
2022
2024
2026
2028
2030
2032
2034
Tot
al e
nerg
y co
nsum
ptio
n [T
Wh/
year
]
Transport
Other
Industry, data centersand petroleum
Buildings(Households andservice sector)
building cunsumption is expected to fall
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Energy situation is different – not all experience can be transferred
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Energy Efficiency
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Clean energy for all europeans
32,5 %
32 %
15 %
Energy efficiency
Renewables
Transmission capacity
40 % Reduced emissionsReported trough national energy and climate plans
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Distribution net Regional net Transmisjon net
1 – 5 years3 moths – 1 year 2 – 10 yearsTime to build:
?
??
Infrastructure and flexibility will be important
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1. Building codes / acts
2. Ecodesign requirements
3. Schemeso Enovao Researcho other
4. Heat pumps and PV in buildings
Energy Efficiency in buildings
Foto: I. Magnussen
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1. Building codes - Requirement get tighter..
Building codes, 1969 - today
Standards (not building codes)
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Energy consumption of building
Energy production, renewable
Energy consumption, materials
TEK 10Excistingbuildings -average
TEK 20Almost zero
energyTEK 25
Zero energy
TEK 15Passive
level
kWh/m2
Per year
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Implementation of Ecodesign and Energy Labelling directives will lead to 3 TWh energy savings 2030
Despite rise in population and ownership of appliances
Results are based on study of 10 appliances
Survey in 2000 householdsTechnical information on appliances
2. Ecodesign and energy labellingTotal energy demand of the appliances
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National energy agencyEnergy efficiency and GHG reductions
Support schemes -all sectorsIndustry, transport, buildings
Market transformation, demo, pilots
The schemes give substantial savings
3. Schemes and funding from Enova
Source: Enova
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3. Schemes for research –Centres for Environment- friendly Energy Research (FME) - (2017-2024)
Norwegian CCS
Research Centre - NCCS
Norwegian Research Centre for
Hydropower Technology- HydroCen
Centre for intelligent electricity distribution –
CINELDI
Centre for an Energy Efficient and Competitive
Industry for the Future - HighEFF
The Research Centre on Zero Emission Neighbourhoods in
Smart Cities – ZEN Centre
Mobility Zero Emission Energy Systems - MoZEES
Research Centre for Sustainable Solar Cell Technology
Norwegian Centre for Sustainable Bio-based Fuels and Energy - Bio4Fuel
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Research Centre on Zero Emission Neighbourhoodsin Smart Cities – ZEN
https://fmezen.no/about-us/
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Heat pumps
Solar PV systems
4. Local energy production
Foto: L. Henden
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Large growth since 2003Mainly due to support schemes and regulation
Air-air pumps dominant in households
Estimated heat production in 2030 -> 15-18 TWh,
Of which ambient heat > 10 TWh
Huge rise in installation of heat pumps
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Solar PV - Massive growth, but the volumes are low
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20
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100
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2002
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lyge
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h/a]
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paci
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p] Off grid [MW]Grid connected [MW]Generation [GWh]
Source: Asplan Viak/Multiconsult/IEA-PVPS/SSB
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lypr
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h/a]
NVEs projections on solar power generation
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Important learnings
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Design and management of schemes are important Must meet actual needConsumers addressed must have possibility to respondMeasure, follow up, redesign and cancel (..) schemes
Don’t forget rehabilitationin 2040, the majority of the area in the buildings sector is still “old”. Use opportunities when houseowner are in decision processesCompetence in building sector important – poor work can spoil good technology
Research and pilots should meet needsEnforce technology and market mechanisms
Some final remarks