MWPowerPlantFacts
EIA plant 7368

Middletown · Sonoma · CA

Geothermal 1

Operated by Northern California Power Agny

Annual generation278,171 MWhSum of represented EIA-923 rows
Fuel codesGEOCodes retained from EIA records
Grid contextCalifornia Independent System OperatorBalancing authority or NERC region

Published location

Where is Geothermal 1?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

38.752000, -122.719500

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Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.

2024 monthly net generation

MonthNet generation
10 MWh
20 MWh
31,177 MWh
423,895 MWh
529,666 MWh
629,354 MWh
730,268 MWh
827,700 MWh
926,138 MWh
1029,475 MWh
1141,774 MWh
1238,724 MWh

Operating generators

IDTechnologyFuelMWStatus
1GeothermalGEO55OP
2GeothermalGEO55OP

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Identity, technology and limitations
EIA plant ID
7368
Sector
Electric Utility
Water source
Geothermal Condensate
Data edition
2024-final