Seattle Startup Powers Cities Using Undersea Volcanoes

Seattle-based Endurance Energy has demonstrated net-positive electricity generation from an undersea volcano, marking the first successful full cycle of drilling to energy production on an active underwater volcano. The startup plans to scale with multiple 2-megawatt generators to prove commercial viability, highlighting a promising new form of renewable energy using ocean floor geothermal systems.

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.