MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/50066
EIA plant 50066

Middletown · Lake · CA

Calistoga Power Plant

Operated by Geysers Power Co LLC

Annual generation468,760 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 Calistoga Power Plant?

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

38.787900, -122.743400

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Map data © OpenStreetMap contributors

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
142,304 MWh
234,020 MWh
331,032 MWh
440,392 MWh
543,062 MWh
639,772 MWh
739,756 MWh
840,425 MWh
938,604 MWh
1040,615 MWh
1139,366 MWh
1239,412 MWh

Operating generators

IDTechnologyFuelMWStatus
UNT1GeothermalGEO88.2OP
UNT2GeothermalGEO88.2OP

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Identity, technology and limitations
EIA plant ID
50066
Sector
IPP Non-CHP
Water source
Wells
Data edition
2024-final