housing stock: year of construction and heating system ......•combined renewables (heat pump,...
TRANSCRIPT
Marie C. Donnelly
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Year of construction
Housing stock: year of construction and heating system installed
Mains Gas Heating Oil Electricity Solid Fuel
No renovation
Annual CO2
emissionsin tonnes
Consumption of heating oil per year
Renovation to new build standard
Renovation to low energy
house standard
What improving energy efficiency means for a single family house of the 70s (approx. 150 m2)
÷ 2,5 ÷ 2
Heatingfuel
EU Ireland
Gas 46% 39%
Coal/solid 15% 6%
Oil 10% 39%
Other fossil 4% 2%
Renewable (wind, PV,
geothermal,
nuclear )
25% 14%
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Heating systems: by CountyCSO statistical release, 13 April 2017
Mains Gas Heating Oil Electricity Solid Fuel LPG
A+++•Combined Renewables (heat pump, solar, geothermal, etc.)
A++
•Heat pumps (renewable)
•Best biomass boiler (renewable)
A+•Gas cogeneration
A
•Condensing gas boiler
•Condensing oil boiler
B
C•Non-condensing gas/oil boilers
D•Electric resistance
Best Advanced Technologies for space heaters
Mean Wind Speed(m/s)
> 6 to 11.5
5 to 11.5
4.5 to 10
3.5 to 8.5
<3.5 to <7
On-Shore Wind Atlas
Mean Wind Speed(m/s)
> 6 to 11.5
5 to 11.5
4.5 to 10
3.5 to 8.5
<3.5 to <7
Off-Shore Wind Atlas
OFFSHORE WIND COST REDUCTIONS
OFFSHORE WIND COSTS HAVE FALLEN 40% SINCE 2010
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OnshoreWind
Solar PV-ThinFilm Utility
Scale
Solar PV-Crystalline
Utility Scale
GasCombined
Cycle
Coal BiomassDirect
OffshoreWind
Geothermal IGCC Nuclear
$/M
Generation technology
Comparative cost of Electricity Generating Technologies
Daily electricity consumption profile
Additional capacity
to ensure security
of supply
Daily electricity consumption profile
Additional capacity
to ensure security
of supply
Daily electricity consumption profile
Additional capacity
to ensure security
of supply
Daily electricity consumption profile
Additional capacity
to ensure security
of supply
Daily electricity consumption profile
Savings for consumers and industry
Smart homes … the future is now!
0 10 20 30 40 50 60
EU (28…
Malta
Luxem…
Belgium
Czech…
Cyprus
Hungary
Netherl…
Slovakia
Poland
United…
Bulgaria
Ireland
Italy
Germany
Greece
Spain
Croatia
France
Lithuania
Romania
Estonia
Slovenia
Denmark
Portugal
Austria
Finland
Latvia
Sweden
Renewable energy in Member States
Red = national target (%)Green = National target achievedBlue = national target still to be achieved
Heating46% of total
energy
Transport33% of total
energy
Electricity21% of total
energy12%
40%10%6.4%
5.9% 27%
Target set by
Ireland for
2020
Current level of
achievement,
2015
Ireland’s target for renewable energy
by 2020 is 16%.
By 2015, the level achieved was 9.0%
Marie C. Donnelly