Seattle startup Endurance Energy put a small power plant on the ocean floor off Oregon and briefly generated more electricity than the system used. The run lasted just 8.7 seconds, but it gives the company a starting point for testing whether undersea geothermal power can become a practical energy source. Read More

<img width="1260" height="821" src="https://cdn.geekwire.com/wp-content/uploads/2026/10/Endurance-Energy-launch-configuration-1260x821.jpg" class="webfeedsFeaturedVisual wp-post-image" alt="" decoding="async" loading="lazy" srcset="https://cdn.geekwire.com/wp-content/uploads/2026/10/Endurance-Energy-launch-configuration-1260x821.jpg 1260w, https://cdn.geekwire.com/wp-content/uploads/2026/10/Endurance-Energy-launch-configuration-768x500.jpg 768w, https://cdn.geekwire.com/wp-content/uploads/2026/10/Endurance-Energy-launch-configuration.jpg 1280w" sizes="auto, (max-width: 1260px) 100vw, 1260px"><br>Seattle startup Endurance Energy put a small power plant on the ocean floor off Oregon and briefly generated more electricity than the system used. The run lasted just 8.7 seconds, but it gives the company a starting point for testing whether undersea geothermal power can become a practical energy source. <a href="https://www.geekwire.com/2026/endurance-energy-hits-a-brief-milestone-in-its-quest-for-undersea-geothermal-power/">Read More</a>