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Marstal Fjernvarme

Denmark: 23 MWth Cover 55 % of Heat Demand of 1,500 Households

Submitted by Baerbel Epp on July 28, 2014
MarstalThe new seasonal pit heat storage Sunstore 4 is at the heart of Marstal´s extended solar district heating network. The town on the Danish island of Aeroe receives 55 % of its heat from the 33,000 m² of solar collectors. The pit heat storage installation, the first of its kind, was a difficult undertaking - the team had to cope with heavy rainfalls in the summer and a thick layer of ice in the winter of 2012, when the underground storage was still not covered. June 2014 was the official end of EU project Sunstore4, which contributed EUR 6.1 million to the extension and the monitoring of Marstal´s district heating plant, but work will go on. Marstal Fjernvarme now hopes to receive support from the Danish government. 
Photos: Marstal District Heating
 

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