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Subsea Geothermal Power
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Fusion42 · 21 October 2026 · Fusion42 review
Endurance Energy successfully generated net-positive electricity from an underwater volcano using subsea geothermal technology near Oregon, demonstrating remote-operated deep-sea power generation. The firm plans to develop larger-scale systems targeting island communities like Tonga to provide clean baseload power as an alternative to imported diesel.
This Wire brief sits within Fusion42's coverage of Clean Energy, and 3 sources have reported it between 21 Oct 2026 and 25 Oct 2026.
◆ ◆ The Wire takeaway
Subsea geothermal power now works at scale, opening offshore baseload power to island utilities looking to cut diesel costs. You can build on this to serve remote coastal grids or offshore installations needing steady renewables.
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3 sources · first reported 21 Oct 2026 · latest 25 Oct 2026
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