The U.S. Air Force is exploring geopressured geothermal systems (GGS) as a potential solution for energy resilience at its installations. In a move that could reshape base power generation, the flying branch has awarded a $1.9 million contract to Sage Geosystems for a demonstration project in Texas.
The contract, matched by Sage’s own funding, aims to test GGS technology at an off-site well in Starr County in 2025. Unlike traditional geothermal methods limited by specific geological formations, GGS adapts fracking techniques to extract thermal energy from deep underground.
If successful, the demonstration could lead to a full-scale project at Ellington Field Joint Air Reserve Base in Houston. The Air Force envisions GGS potentially meeting the entire energy needs of its installations, marking a significant step towards energy independence.
Kirk Phillips, Director of the Air Force Office of Energy Assurance, views the contract as progress in the department’s energy resilience efforts. “This project could help improve Ellington Field’s ability to maintain operations during electrical grid outages,” Phillips said.
GGS technology harvests both heat energy from water in fractures and energy created by pressure during water injection. The 147th Attack Wing at Ellington Field is slated to be the first Air Force unit to implement this technology if the demonstration proves successful.
Lt. Col. Christian Campbell, Commander of the 147th Civil Engineer Squadron, expressed enthusiasm about the project’s potential to achieve 100% resilience and carbon-free operations.
The Air Force’s foray into GGS technology aligns with broader Department of Defense initiatives to enhance installation resilience and reduce carbon footprint. As the demonstration project unfolds, it could set a precedent for future energy projects across military installations.
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