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Geothermal

Wednesday
05 Mar 2025

Innargi to Explore Opportunity for Geothermal Heating in Hillerød, Denmark

05 Mar 2025  by thinkgeoenergy   
Geothermal developer Innargi has signed an agreement with local utility company Hillerød Forsyning to explore the possibility of geothermal district heating in the city of Hillerød in Denmark. The parties envision a plant with a capacity of 20 to 40 MW of district heating supplied by 2 to 4 wells.

 


Hillerød, Denmark

This initiative aligns with Hillerød Forsyning’s ambition to completely phase out natural gas and reduce the consumption of biomass while providing green, inexpensive heating to an increasing number of citizens as the district heating network expands.

“Utilising geothermal energy for district heating is an obviously good idea and an ambition that the board have worked hard to make a reality. The collaboration with Innargi enables us to secure CO2-free heat that neither Trump nor Putin can shut down,” commented Tue Tortzen, Chairman of the Board of Hillerød Forsyning.

A geothermal reservoir at two to three kilometers beneath the city is expected to host geothermal water at a temperature of 60 to 80 °C. If the pumps in the geothermal plants are powered by renewable energy from the sun or wind, geothermal energy is not only CO2 neutral but also free from other harmful emissions. The exact location of the facility, as well as specific figures on plant capacity, will be confirmed in the coming months.

The parties are targeting a clarification on these matters by the end of September.

“Hillerød Forsyning already has considerable knowledge about geothermal energy, seismic data is available, and there is a clear ambition on both sides of the table to work quickly together on the technical issues that needs to be clarified before a contract can be signed. We look forward to this collaboration – and hope to contribute to green district heating in Hillerød in a few years,” added Samir Abboud, CEO at Innargi.

Elsewhere in Denmark, Innargi has drilled two wells and has started construction of a heating plant for the geothermal heating project in Aarhus. The initial target for the project is to start to supply heat to the northern part of the city by the end of 2025.

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