Quaise Energy raises $180.0M Series B (United States, Aug 2026)

American Startup Raises $180 Million to Drill Rock Over 5 km Deep Using Millimeter Waves from a Gyrotron and Build the World’s First Superhot Geothermal Plant at 500 °C - CPG Click Oil and Gas

Quaise Energy is an American startup focused on developing superhot geothermal energy technology. The company aims to drill deep into the earth to create wells that can reach temperatures between 300 °C and 500 °C, significantly increasing the energy output compared to traditional geothermal methods. This funding round will support their Obsidian Project in Oregon, which seeks to establish the world's first commercial superhot geothermal plant.

American Startup Raises $180 Million to Drill Rock Over 5 km Deep Using Millimeter Waves from a Gyrotron and Build the World’s First Superhot Geothermal Plant at 500 °C  CPG Click Oil and Gas