Geothermal Companies in Denmark

Innargi finances, develops, constructs, and operates large-scale geothermal district heating plants across Europe. The company operates EU's largest geothermal heating facility in Aarhus, Denmark, and is expanding into Poland and other markets.

Danish electrical contractor specializing in renewable energy and sustainable HVAC solutions. Offers solar panel systems, heat pumps, cooling systems, and EV charging infrastructure for residential and commercial customers across Vestsjælland region since 1984.

Hjørring Varmeforsyning is a Danish district heating cooperative founded in 1960, supplying thermal energy to approximately 10,000 consumers. The company is transitioning to green heating through biomass and heat pump technologies.

Sustain is a Danish green energy and building optimization company specializing in energy efficiency, thermal networks (termonet), heat pumps, and renewable energy communities. They provide consulting, project development, financing, and implementation of climate solutions.

Danish electrical installation company specializing in heat pump systems, solar installations, EV charging infrastructure, and comprehensive electrical services. ISO 9001-certified with 25+ years of experience in geothermal systems and 100 years in the electrical trade.

NRGi is a Danish energy and advisory company owned by 235,000 members and employing 1,600 staff. It provides electricity retail, renewable energy generation, EV charging solutions, home advisory services, and energy optimization for businesses and households across Denmark.

COOL DH was a European Horizon 2020 research project that developed and demonstrated innovative low-temperature district heating solutions to increase renewable energy integration and system efficiency in urban areas.

Danish educational platform and lexicon dedicated to renewable energy technologies and sustainable energy production. Covers solar, wind, hydro, geothermal, biomass, hydrogen, tidal, and wave energy with accessible content for diverse audiences.

EnergyPLAN is an advanced energy system analysis tool developed by Aalborg University for modeling national and regional renewable energy strategies. It simulates hourly operations across electricity, heating, cooling, industry, and transport sectors to support design of 100% renewable energy systems.

Leading African renewable energy investor with over 1,100 MW in development, construction, and operation across hydro, geothermal, wind, and solar projects. Operates two funds totaling $287M with investments across Sub-Saharan Africa, emphasizing community engagement and environmental stewardship.

Danish heating and hot water specialist with 100+ years of experience. Manufactures heat pumps, hot water heaters, district heating units, and wood pellet boilers. Part of NIBE Industrier AB.

Viessmann is a leading provider of heating and renewable energy solutions including heat pumps, solar thermal systems, solar panels, and energy storage. Founded in 1917, the company operates across residential, commercial, and industrial sectors with a focus on climate-friendly heating and cooling technologies.