Eavor's Geretsried facility delivers first grid electricity from closed-loop geothermal system

Eavor Technologies/Geretsried Commercial Facility

Eavor announced that its Geretsried facility in Germany began delivering electricity to the German power grid on December 4, 2025, marking the first commercial closed-loop geothermal power generation from an Eavor-Loop system. The facility demonstrated the thermosiphon effect, allowing operation without external pump circulation after startup.

• First grid electricity: December 4, 2025
• Thermosiphon effect confirmed: system circulates without pump after startup
• Electricity generation from organic Rankine cycle turbine using geothermal heat
• Dual-use facility: electricity to grid plus district heating supply