Endurance Energy drills world's first subsea geothermal well

Endurance Energy successfully completed the world's first subsea geothermal well and power plant test, generating net-positive electricity on an underwater volcano 5,000 feet deep in the Pacific Ocean. The company demonstrated drilling, landing, real-time remote operation, and power generation on the seafloor, advancing subsea geothermal as a continuous clean energy source for coastal and industrial use.

This Wire brief tracks Endurance Energy, and It sits within Fusion42's coverage of Clean Energy, and 3 sources have reported it between 21 Oct 2026 and 25 Oct 2026.