Bornholms Varme A/S is the district heating producer and distributor for app. 6.800 customers on Bornholm. The production is devided into four individual grids distributing district heating to 22 small towns around Bornholm. The district heating systems has a very high penetration of sustainable energy resources from the island (woodchips and straw), which enables 100% use of locally produced sustainable fuels, in normal operation mode.