Danish Board of District Heating - DBDH

Danish experience in Energy Savings and
Danish Board of
District Heating
Energy Efficiency
Kazakhstan, September 2007
Lars Gullev
Chairman of DBDH
Data from Danish Energy Agency

PJ
900
600
300
0
Gross Energy Consumption by Fuel
Climate adjusted
1980
Danish Board of
'85 '90 '95 '00 '05
District Heating Oil Natural Gas Coal and Coke Renewable Energy etc.

250%
200%
150%
100%
50%
0%
Danish Board of
District Heating
Degree of Self-sufficiency
1980 '85 '90 '95 '00 '05
Total Energy Oil

PJ
1400
1200
1000
800
600
400
200
0
Danish Board of
District Heating
Primary Energy Production
1980 '85 '90 '95 '00 '05
Oil Natural Gas Renewable Energy etc.

Danish Board of
District Heating
Energy Consumption for Space Heating
in Households (DK)
140
120
100
Index 1980=100
80
60
Climate adjusted
1980 '85 '90 '95 '00 '05
Heated Floor Space
Final Energy Consumption
Final Energy Consumption per m2

Index 1988=100
Danish Board of
District Heating
180
160
140
120
100
80
60
GDP and Energy Consumption
1980 '85 '90 '95 '00 '05
GDP, 2000 Prices
Gross Energy Consumption, Adjusted

Danish Board of
District Heating
How have we achieved these targets?
Focus on district heating
Focus on renewable energy
High priority to Combined
Heat and Power production
CHP

1000 Units
3000
2500
2000
1500
1000
500
0
Danish Board of
District Heating
Heating Installations in Dwellings
Source: Statistics Denmark
1981 1990 2005
Oil Boilers Natural Gas Boilers
District Heating Other

100%
80%
60%
40%
20%
0%
Danish Board of
District Heating
Composition of Fuels for District
Heating Production
1980 '85 '90 '95 '00 '05
Oil Natural Gas Coal Renewable Energy etc.

16%
14%
12%
10%
8%
6%
4%
2%
0%
Danish Board of
District Heating
Production and Consumption of
Renewable Energy
Share of Gross Energy Consumption
1980 '85 '90 '95 '00 '05
Share covered by net imports
Share covered by indigenous production

MW
3500
3000
2500
2000
1500
1000
500
0
Danish Board of
District Heating
Wind Power Capacity and
Share of Domestic Electricity Supply
1980 '85 '90 '95 '00 '05
Wind Power Capacity [MW]
Wind Power - Share of Domestic Electricity Supply
20%
18%
16%
14%
12%
10%
8%
6%
4%
2%
0%

CHP Proportion of Electricity and
100%
80%
60%
40%
20%
0%
Danish Board of
District Heating
District Heating Production
1980 '85 '90 '95 '00 '05
District Heating Electricity

Danish Board of
District Heating
District Heating Systems
District heating utility
Large combined heat
and power plant

Danish Board of
District Heating
The District Heating ”Chain”
Normal concept:
Production
Distribution
Consumers
The Danish concept:
Consumers
Distribution
Production

Cost structure – Life Cycle Costs
Danish Board of
District Heating
Investments
Operation costs
Maintenance costs

Danish Board of
District Heating
Life Cycle Costs for pipe network
Investments costs
Pipe material
Pipe installation
Excavation and restoration
Inspection
Operation costs
Pumping
Heat losses
Maintenance costs
Repairs
Management

Danish Board of
District Heating
% of lifetime costs
Pumps – Life Cycle Costs
100
90
80
70
60
50
40
30
20
10
0
Investment Operation Maintenance

Danish Board of
District Heating
Consumer side
Heat exchangers
Regulation of in-door
temperature.
Pumps

Danish Board of
District Heating
Consumer side
Valves
Meters
Energy meters
Two part tariff

Danish Board of
District Heating
Distribution
Pipe-network
Water treatment
Pumps

Danish Board of
District Heating
Production
Boilers
Water treatment
Burners
Oil burner control
SCADA

toe/1 Million Euro GDP (1995 Prices)
400
300
200
100
0
Danish Board of
District Heating
Gross Energy Consumption
per GDP-unit in Various Countries
'91 '92 '93 '94 '91 '92 '93 '94 '95 '96 '97 '98 '99 '00 '01 '02 '03 '04
Denmark Sweden Norwey UK
Germany EU USA Japan
Source: Eurostat

Danish Board of
District Heating
Thank you
For further information:
www.dbdh.dk
www.veks.dk
lg@veks.dk