HOT|COOL NO.2/2016 - "District cooling in the Middle East"


By Tanja Lund, Communication Officer, Frederikshavn Municipality

Recycling energy from engine testing avoids: • Energy waste • Excessive water consumption • CO2 emissions

In the Danish municipality Frederikshavn, situated in the northern part of Denmark, people demonstrate commitment and activity, when it comes to finding solutions and utilizing situations in the best possible manner. The energy industry cooperates to ensure that the heating needs of the citizens are met the best way possible. The local fishing industry as well as the company Man Diesel & Turbo are both included in the efforts to utilize surplus heat and thus help the consumers save money as well as contribute to a greener environment. Surplus heat symbiosis In Frederikshavn, the partnership on sharing surplus heat is adding green value to the business bottom line and to the lives of hundreds of local citizens. This integration of systems creates a local surplus heat symbiosis. The manufacturer of very large ship engines, MAN Diesel & Turbo in Frederikshavn, is the main driver of Test Centre Frederikshavn’s heat recycling system with the wasted energy from their engine testing. Ship engines are large and long test runs are required . The surplus energy from cooling water, exhaust gas and electricity, which was earlier just wasted, is now converted to hot water, and heats up (about 4000 MWh) in the city of Frederikshavn. In this way, more than 200 families in Frederikshavn benefit directly from the surplus heating symbiosis in first step. The numbers of households will increase as it has already been decided to expand the plant further. Furthermore, Man Diesel & Turbo can support a greener environment.

Poul Knudsgaard, Vice President of MAN Diesel & Turbo, at inauguration of Test Centre Frederikshavn, September 22nd 2015.

“MAN Diesel & Turbo is proud to contribute to a more sustainable community. We work to maximize the utilization of the surplus heating generated at our test centre from the test of the large engines. We expect more test activity giving rise to the heat production. We hope that MAN Diesel & Turbo will cover 15-20 % of the heat consumption in Frederikshavn in the future”, says vice president Poul Knudsgaard.

Excess heat from the engine test by MAN Diesel and Turbo A / S is used for district heating. From the 8 engine test stands, the waste heat is pumped to a buffer tank, and the electricity from the load generator is converted to district heating via electric boilers. The pollution is reduced by 13,367 tons of CO2, 10 ton Nox.

Skagen District Heating is located in scenic Frederikshavn Kommune’


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