- Next month, Endurance Energy will send Adélie — a 100-kilowatt geothermal generator named for a penguin — to an undersea volcano off the Oregon coast, tapping hydrothermal fluids that can reach 750 degrees Fahrenheit.
- Endurance has completed four prototype deployments, reaching a depth of about 2 miles and temperatures up to 726 degrees Fahrenheit.
- This deployment will be the fifth ocean-floor deployment for Endurance Energy, which has raised $63 million and is led by a former SpaceX engineer.
- The deployment will send performance data back to shore via the Ocean Observatories Initiative's Regional Cabled Array, operated by the University of Washington.
- Endurance is part of a broader race to harness geothermal energy — heat from water or steam under the Earth’s crust, converted into electricity.
- The company has previously visited the Pacific Northwest’s Juan de Fuca Ridge, the Mariana Trough, the East Pacific Rise off Mexico, and the Kingdom of Tonga in the South Pacific Ocean.
Endurance Energy is set to deploy its 100-kilowatt geothermal generator, Adélie, to an undersea volcano off the Oregon coast next month. This deployment is significant as it represents the startup's fifth venture into ocean-floor energy generation, following previous successful tests at various depths and temperatures.1
The Adélie generator will tap into hydrothermal fluids that can reach 750 degrees Fahrenheit, showcasing the potential of geothermal energy to provide sustainable power. The data collected during this deployment will be transmitted back to shore via the Ocean Observatories Initiative’s Regional Cabled Array, managed by the University of Washington.5
Founded by a former SpaceX engineer, Endurance Energy has raised $63 million to date, reflecting growing investor confidence in geothermal technology. The company has previously conducted four prototype deployments, achieving depths of about 2 miles and temperatures up to 726 degrees Fahrenheit. This innovative approach is part of a broader race to harness geothermal energy, which could potentially electrify entire cities in the future.23
The next step for Endurance will be a megawatt-scale device aimed at powering its first commercial pilot project in the Kingdom of Tonga. The company is expanding its operations, having recently moved into a 25,000-square-foot facility to enhance its research and development capabilities.6
“The startup has raised $63 million and is led by a former SpaceX engineer, who aims to electrify entire cities with this technology. The deployment will send performance data back to shore via the University of Washington's Ocean Observatories Initiative's Regional Cabled Array.”
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