FVB conducts a follow-up study on Europe's largest hot water reservoir
In Västerås, Mälarenergi is building Europe’s largest hot water reservoir in a rock cavern. The reservoir will hold 300,000 cubic meters of water, which can cover the district heating requirements in the city for up to two weeks. FVB has been commissioned by Energiforsk to conduct a technical follow-up of the reservoir. The rock cavern was formerly an emergency reservoir for fuel oil but was shut down in 1985. It is now being turned into a huge hot water reservoir. However, first all the old oil must be cleaned up. As there was more oil left than