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District Heating & Cooling

District heating & cooling can utilise all energy sources and allows for flexible integration of the electrical and thermal energy systems

Fuel Flexibility and Energy efficiency
Heating and cooling can be produced from any energy source. District heating is a very energy and cost efficient way of supplying heat in densely populated areas and can utilise the cogeneration of electricity and heat. Direct sources like excess heat from production or cooling from sea water can be used as well.

Integrating and storing fluctuating energy sources
Excess electricity from wind and photovoltaic can be utilised in district heating through electric boilers or in heat pumps. When there is not sufficient power produced by wind or other renewables, combined heat and power plants can generate power and store the excess heat in heat accumulation tanks for later use in the district heating system. In this way district heating integrates the electric and thermal energy systems and contribute to solving the storage challenge related to a high share of renewable energy.

Green Danish district heating by 2035
The Danish district heating sector is continuously engaged in further developing and refining technologies and components for biomass and waste based district heating systems, focusing on large scale technologically advanced solutions as well as smaller, simpler systems suitable for small local distribution systems.

Did you know?

  • 98 % of heat demand in the capital of Denmark is covered by district heating
  • By 2035 all district heating in Denmark will be based on renewable energy and waste



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