Solar heating in Denmark

1
Solar heating in Denmark
Simon Furbo Department of Civil
Engineering Technical University of
Denmark DK-2800 Kgs. Lyngby, Denmark Tel. 45 45
25 18 57, Fax [phone] E-mail
sf_at_byg.dtu.dk
2
Denmark

• Energy and solar energy potential
• 25 of energy consumption used for heating of
  buildings
• Yearly solar radiation 180 x total yearly energy
  consumption
• Heating of buildings and heating costs
• Part of
  buildings Energy costs
• District heating 60
  0.62 DKK/kWh
• Oil 18
  0.84 DKK/kWh
• Natural gas 14
  0.70 DKK/kWh
• Others 8

3
Solar heating systems
SDHW SYSTEMS SOLAR COMBI SYSTEMS SOLAR HEATING
PLANTS
4
Small SDHW System
5
System design
6
Large SDHW System
7
System design
8
Solar Combi System
9
System design
10
SOLAR HEATING PLANTS
11
SOLAR HEATING PLANTS
12
System design
13
Solar heating systems

• Simple pay back time 10-20 years
• Energy pay back time 1-3 years
• Great potential for technological improvement

14
National support activities

• Support for solar heating systems
• State subsidy from 1979 to 2001
• Successful campaigns by
• Natural gas companies
• Installers

15
Installed solar heating systems in Denmark
16
(No Transcript)
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Manufacturers

• Solar collectors 12
• Solar tanks 6
• Control systems 14

18
Sunarc A/S Grundfos A/S
Batec A/S
Aidt Miljø A/S
19
Metro Therm A/S
Thermo-Sol
Velux A/S
Arcon Solvarme A/S
20
Conclusions

• Market reduced, but still existing without state
  subsidy
• International market
• Major international players
• -ChromeCoat A/S
• -Sunarc A/S
• -Velux A/S
• -Arcon Solvarme A/S