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EA-1680: Final Environmental Assessment

Proposed Mitigated Negative Declaration for Engineered Geothermal Enhancement System Demonstration Project

AltaRock Energy Inc. (AltaRock) and the Northern California Power Agency (NCPA) are proposing to undertake an Engineered Geothermal System (EGS) well stimulation project in the Geysers Geothermal Field (GGF).