energy city ‘demonstratorium’ – Frederikhavn – Denmark

Frederikhavn is a coastal town with a population of 23,295 with a plan to become zero carbon by 2030. The town and district already used twenty percent renewable energy in 2006. The annual energy demand per person was around 0.025 MWh/p/yr and about thirty percent energy use is attributed to transport. “Energy City Frederikshavn has the main responsibility for creating growth in the field of “energy” by creating a ’demonstratorium’ for the testing of sustainable climate and energy technologies in the scale 1:1.”

It is proposed that the following technologies are to be used:

  • Solar powered heating.
  • Wind power.
  • Waste heat from the wastewater treatment.
  • Geothermal heating and storage.
  • Bio gas for transport in the natural gas system.
  • Methanol for other vehicles and electric cars.
  • Bio diesel and bio gasoline.

The project is led by the local authority and has a secretariat a fund a steering committee and a set of working groups. It employs seven people and has an annual fund of about £330,000 per year.

One exemplar project was a new heat pump at the wastewater treatment plant in Frederikshavn that was connected to the collective district heating system. The heat pump uses cheap, surplus electricity from offshore windmills nearby Frederikshavn and heat from the sewage plant to supply heat for a district-heating network in Frederikshavn, corresponding to approx. 400 households. The heat pump is one of the first of its kind in Denmark.

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Author: juliet bidgood

architect / urban designer

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