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Gram Fjernvarme District Heating

Gram Fjernvarme is consumer owned and was until 2009 based on natural gas with a CHP unit and two boilers. In 2009 a solar field is established to provide solar thermal power to the heat network. The solar field is expanded in 2015 to a total area of 44 800 m2 of solar collectors providing 60% of the total heat demand. From 2016 onward excess heat from a neighbouring carpet factory is added to the district heating network.

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Marstal District Heating

Marstal District was established in 1962 and currently supplies 100% renewable district heating, with a solar fraction of 41% and a biomass fraction of 60%, to 1,500 – 1,600 consumers in Marstal.

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