Samir Abboud of Innargi and Bjarne Munk Jensen of Kredsløb (source: Innargi)
The geothermal district heating plant in Aarhus, Denmark, developed by Kredsløb and Innargi, has officially started supplying heat to 330,000 homes.
The geothermal district heating plant at the Skejby site in Aarhus, Denmark has officially started operations, supplying heat to approximately 330,000 homes from a reservoir at 2500 meters depth. The project was developed by Danish utility company Kredsløb in collaboration with the geothermal energy company Innargi.
“This is a milestone. Not just for Aarhus, but for all of Europe,” says Samir Abboud, CEO of Innargi. “We are demonstrating that geothermal energy can supply entire cities on a large scale. Geothermal energy is local, renewable, and available at all times, and is a key component for decarbonizing heat supply in Europe.”
The plant in Aarhus is the first of several planned geothermal projects by Kredsløb and Innargi, with an expected total capacity of at least 102 MW. Construction at the Skejby site started in June 2024. Earlier this year, Innargi announced that it will be delivering the target capacity from only three locations, instead of the originally planned seven, based on the results of three test wells.
By 2030, the system is expected to cover about 20% of Aarhus’s total heat demand. The project supports the City of Aarhus’s goal of becoming carbon neutral by 2030 and is part of a broader transition to electricity-based heating solutions, including heat pumps and thermal waste treatment with carbon capture and storage.
The project also provides a blueprint for similar geothermal district heating systems in Europe. Innargi builds on the expertise acquired through many years of experience in the oil and gas industry, demonstrating how this can be used to unlock the potential of geothermal energy for district heating.
“This is not just a Danish success story,” says Bjarne Munk Jensen, CEO of Kredsløb. “It’s a blueprint for cities across Europe to reduce their dependence on imported biomass and fossil fuels—while simultaneously improving security of supply and affordability. By relying on local energy sources, cities become more independent from global crises.”
Aside from other projects in Denmark, Innargi is also seeking to develop geothermal heating projects in Poland and Germany.
Source: Email correspondence