Denmark blessed with “enormous geothermal potential”, yet how much can be used?

By District Energy posted 05-04-2020 11:37




A new survey of the subsurface in Denmark shows enormous amounts of geothermal energy. It must be utilized in the green transition, so researchers and the Danish District Heating organisation.

The Danish subsoil contains so much geothermal energy that it can in principle cover half of Denmark’s heating needs. That is shown by a new survey by researchers from GEUS, the Department of Geosciences and Natural Management at the University of Copenhagen and the Department of Geoscience at Aarhus University, according to the media

The mapping is based on many years of research and provides the first detailed overview of the Danish underground. It shows that the potential for geothermal extraction is greater than previously assumed. And that’s a good news for climate-ambitious Denmark.

The map of GEUS can be seen on GEUS’ Web GIS Portal, also showing the three geothermal heating plants currently in operation at Thisted, Sonderborg and Margretheholm/ Amager (within the municipality of Copenhagen, the capital of Denmark).

“One can easily imagine that some of the big urban areas can benefit from geothermal energy. The advantage of geothermal energy is that hot water is produced, whether it is blowing or the sun is shining, so it is a really renewable energy source,” says geologist and associate professor of Ph.D. Lars Ole Boldreel from the University of Copenhagen, who is one of the researchers behind the project, to

The conclusion is completely in line with the message from the Danish District Heating. Geothermal energy must play a far greater role in the future of green district heating. Geothermal energy currently accounts for only 0.1 percent of the total Danish renewable energy.

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