CX-003694: Categorical Exclusion Determination

Caldwell Ranch Exploration and Confirmation ProjectCX(s) Applied: A9, B3.1, B5.12Date: 09/09/2010Location(s): Sonoma County, CaliforniaOffice(s): Energy Efficiency and Renewable Energy, Golden Field Office

Office of NEPA Policy and Compliance

September 9, 2010
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Caldwell Ranch Exploration and Confirmation Project
CX(s) Applied: A9, B3.1, B5.12
Date: 09/09/2010
Location(s): Sonoma County, California
Office(s): Energy Efficiency and Renewable Energy, Golden Field Office

Geysers Power Company, LLC (GPC) proposes to use Department of Energy and cost share funding to develop and demonstrate geothermal resource at the Caldwell Ranch in Sonoma County, California. GPC proposes to re-enter plug and abandoned wells Prati 5, Prati 14, Prati 38 1999-2000 and deepen the wells further into the geothermal resource. Workover operations would be restricted to existing well pads and roads to prevent any new surface disturbing activities.

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