Casa Diablo IV Geothermal Project

10 Documents in Project


SCH Number
Lead Agency
Great Basin Air Pollution Control District
Document Title
Casa Diablo IV Geothermal Project
Document Type
FIN - Final Document
Present Land Use
Document Description
The CD-IV Project would construct a new 33 net MW binary power plant, develop an expanded geothermal well field of up to 16 geothermal resource wells (some new and some existing), construct pipelines to bring the geothermal brine to the power plant and pipelines to take the cooled brine to injection wells, and install an electric transmission line to interconnect to the Southern California Edison (SCE) Substation at Substation Road.

Contact Information

Luke Eisenhardt
Agency Name
Great Basin Unified Air Pollution Control District
Contact Types
Lead/Public Agency

Luke Eisenhardt
Agency Name
Great Basin Unified Air Pollution Control District
Contact Types
Lead/Public Agency


Mammoth Lakes
Cross Streets
Near Highway 395 and S.R. 203
Parcel #
State Highways
Mammoth Creek

Notice of Completion

State Reviewing Agencies
California Air Resources Board (ARB), California Department of Conservation (DOC), California Department of Fish and Wildlife, Inland Deserts Region 6 (CDFW), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Resources Recycling and Recovery, California Department of Transportation, District 9 (DOT), California Department of Water Resources (DWR), California Energy Commission, California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, Lahontan Victorville Region 6 (RWQCB), Department of Toxic Substances Control, Office of Historic Preservation, State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Divison of Financial Assistance
Development Types
Power:Geothermal (Megawatts 33)
Local Actions
Authority to Construct Permit
Project Issues
Air Quality


Final Document(s) [Approved_Certified draft environmental documents]

Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

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