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Customer application 27 August 2020

Efficiency in District Heating Control Center

In Flensburg, they make their own electricity – and, for more than 30 years, have done so in connection with a district heating network. When it commissioned a new gas and steam turbine system in the fall of 2016, this city on the Baltic Sea bid adieu to coal; it now uses natural gas for the district power-heat coupling. In parallel, this city in Schleswig-Holstein also modernized its district heating network. Control technology from WAGO is used for the decentralized control, as well as the connection to the remote monitoring.

The municipal utility supplies the primary circuit of the district heating network with at a supply temperature of 110 °C of – it is able to tap into the thermal energy produced by the power-heat coupling in the city’s power plant for heating and hot water. There is broad acceptance of district heating in Flensburg and the surrounding areas. Frank Nicolaisen, Team Leader in telecontrol transmission technology at the municipal utility, cites as proof the impressive connection participation rate of 98 %. “District heating is politically popular and is thus easy to support in Flensburg.” The municipal utility currently supplies 60,000 customers in Flensburg, Harrislee, Glücksburg, Tastrup, Wees and the Danish border city of Padborg.