the national danish energy policy focus on waste and biomass anders h kristensen danish energy...
TRANSCRIPT
The National Danish Energy Policy focus on waste and biomass
Anders H KristensenDanish Energy Agency
Denmark’s path to a green future…
…It began with the oil crisis in 1973.Policies and external events pushing
development in the use of renewables since 1980
Three actions have been key
- Demand side efficiency measures (insulation of houses etc.)
- Integration of electricity and heating systems improving total efficiency significantly
- Investment in development of wind power and use of biomass/waste
4
0
300
600
900
1990 '95 '00 '05 '11
PJ
Oil Natural gas Coal and coke Renewable energy etc.
Gross energy consumption; stable
Adjusted
5
0%
20%
40%
60%
80%
100%
1990 '95 '00 '05 '11
District heating Electricity
CHP share of thermal power and district heating production
0
20
40
60
80
100
120
140
1990 '95 '00 '05 '11
PJ
Wind Straw Wood Biogas Waste Heat pumps
Production of renewable energy by energy product
7
Heat supply by type of fuel
0
20
40
60
80
CHP units District heating
TJ
Coal Natural gas Waste Biomass Other
8
0
500
1000
1500
2000
2500
3000
1981 1990 2000 2011
1000 Units
Oil boilers Natural gas boilers District heating Other
Heating installations in residential homes
Source: Statistics Denmark
Waste in the national energy system
• Approximately 25% of total waste used in the energy system
• 3,6 mio tons or 38,5 PJ• Used in waste incineration plants and dedicated district
heating plants
• Generating 20 PJ district heat (17% of total demand)• Approximately 2 TWh electricity (6% of total demand)
Waste is a significant part of the energy system
National energy policy 2013-20
Energy supply from renewable energy by 2050Approaching incentives:
• Ban on installing new oil-fired boilers in new buildings => more renewable energy in buildings
By 2020:• 36 % of bio-energy in energy mix• 50 % wind energy in Danish electricity consumption
By 2035• No use of coal and natural gas in electricity and heat
supplyBy 2050
• Denmark’s entire energy supply covered by renewable energy
Substantial change in RES share
Substantial change in fuel for power generation
Conclusion
• Denmark was severely hit by high oil prices in the 1970’ies
• Continuous emphasis on efficiency, integration of electricity and heat and use of renewables
• District heating an important tool• Today a green energy system • National policy to decrease use of fossil fuels even
further