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Endurance Energy

Seattle, United States

series-a$54M raisedClimate Techgeothermalelectric power generation

Total Raised

$54M

Stage

series-a

Location

Seattle, United States

Founded

2024

Team size

11-50

Links

About Endurance Energy

A geothermal energy startup developing technology to harness terawatts of geothermal energy deep in the ocean for baseload renewable power generation.

What sets it apart

It aims to deliver gigawatts of baseload renewable electricity from deep-ocean geothermal sources that most other geothermal developers have not targeted.[1][5]

Sectors

Climate Techgeothermalelectric power generation

Business

Modelhardware

CustomerUtilities, grid operators, and large industrial or infrastructure customers seeking baseload renewable power

Notable

  • Raised $54M in Series A funding
  • Backed by Founders Fund and other notable climate and deeptech investors
  • Announced plans to target gigawatt-scale offshore geothermal power and grid delivery within two years

Backing funds on Raise

Funding rounds

11 Jun 2026

Led by Founders Fund

With Ascend, Construct Capital, Felicis Ventures, First Round Capital, Point72 Ventures, Riot Ventures, Voyager Ventures

Source ↗

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FAQ

What does Endurance Energy do?

A geothermal energy startup developing technology to harness terawatts of geothermal energy deep in the ocean for baseload renewable power generation.

Where is Endurance Energy based?

Endurance Energy is based in Seattle, United States, founded in 2024.

How much has Endurance Energy raised?

Endurance Energy has raised $54M in tracked funding and is currently at the series-a stage.

Who has invested in Endurance Energy?

Investors in Endurance Energy include Founders Fund, Felicis, Voyager Ventures, Riot Ventures, Construct Capital, Point72 Ventures, First Round Capital and Ascend.