Calgary-based Eavor Technologies on Dec. 4, 2025, became the first company to deliver electricity to a commercial power grid at its Geretsried facility in Bavaria, Germany, using a fully closed-loop geothermal system. The achievement marks what the company calls the world’s first operational deployment of multilateral “Eavor-Loop” wells, which are designed to generate continuous heat and power without fluid interaction with underground formations.
The milestone is significant because it represents the first commercial-scale proof that closed-loop geothermal—using sealed, pump-free, conduction-based well circuits rather than fluid exchange with underground formations—can reliably deliver continuous electricity and heat with high capacity factors across a wide range of geologies.
“The advancements and lessons learned at Geretsried are translating into a competitive Levelized Cost of Heat (LCOH) along with a significant increase in energy output potential for future projects,” said Jeanine Vany, co-founder and executive vice president of corporate affairs at Eavor. “Coming down that initial learning curve and proving the technology at Geretsried provides additional confidence for Eavor-Loop to scale globally as a source of reliable, flexible, carbon-free energy. These advancements bring Eavor closer to fulfilling our mission of enabling local clean energy autonomy, everywhere.”