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| The Yakima minerals site in the Yakima Canyon near Roza Dam may become home to a geothermal power plant and underground energy storage. (Courtesy Andy Sawyer/Yakima Herald-Republic) |
The Yakima Minerals Site research team from the Bonneville Power Administration and the Pacific Northwest National Laboratory devised a kind of compressed air energy storage facility that uses geothermal energy. This hybrid facility would extract geothermal heat from deep underground to power a chiller that would cool the facility’s air compressors, making them more efficient. Geothermal energy would also re-heat the air as it returns to the surface.
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