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United States › Power plants › Geothermal plants › California

GEOTHERMAL PLANTS

Bottle Rock Power

Bottle Rock Power is a 55.0 MW out of service geothermal plant in Lake County, California, operated by Mayacma Geothermal.

Plant statusMothballed
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingFeb 1985 (completed)
  5. Mothballed (current stage)

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
1Geothermal55 MW Out of service long-termFeb 1985

Plant details

Operator
Mayacma Geothermal
Location
Lake County, California
Balancing authority
CISO
Sector
IPP Non-CHP
Capacity
Out of service: 55.0 MW
First unit online
Feb 1985
EIA plant ID
902

Location

38.8348, -122.7677

Nearby power plants

Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem