7 Best Geothermal Energy Startups to Watch in 2025

The Definitive Seedtable Ranking of Geothermal Energy Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 7 start-ups with an aggregate funding of $468.3m. The average funding per company in this subset is $66.9m.

Last update to the database: Feb 18, 2025. See changelog.

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5

Funding Rounds

$40.4m

Money raised

Enervee is a company founded in 2010 by Hjalmar Branting, Iker Casillas, Aoife Ní Fhearraigh, Yhonastan Fabian, The Sxplay, Ujiie Naotomo, Robbie Grossman, Ingrid Gfölner, Moisey Uretsky, Don Epperson, Matt Service FBCS and Bhavesh M. Mehta.

4

Funding Rounds

$239.2m

Money raised

Eavor Technologies Inc. is a Calgary-based geothermal technology company.

4

Funding Rounds

$66.2m

Money raised

Foro Energy

2

Funding Rounds

$4.0m

Money raised

3Degrees is a San Francisco-based provider of carbon offset and renewable energy services and solutions.

1

Funding Rounds

$100.0m

Money raised

Nobao Renewable Energy Holdings is a china-based geothermal heat pump provider founded in 2007.

Industries:

Location:

1

Funding Rounds

$6.0m

Money raised

Quaise is a Cambridge, Massachusetts-based geothermal energy company founded by Carlos Araque, Aaron Mandell and Paul Woskov.

1

Funding Rounds

$12.5m

Money raised

Baseload Capital is a Stockholm County-based company.

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