World Power Plants

Geothermal 2110 MW Geothermal

GeothermalRenewableVerified: Jul 2026

Geothermal 2 is a 110 MW geothermal power plant located in California, United States, operated by Northern California Power Agency since its commissioning in 1986. The facility utilizes geothermal energy to produce electricity, contributing to the state's geothermal power generation capacity. It is the 3rd largest geothermal plant in the United States. With 110 MW, it represents 2.83% of the country's total geothermal capacity of 3,889 MW. The United States has 65 geothermal plants with a combined capacity of 3,889 MW. Compared to the largest geothermal plant, Geysers Unit 5-20 at 1,163 MW, Geothermal 2 is approximately 9.5% the size. Geothermal energy is a significant renewable resource in California, providing about 5% of the state's electricity. The state's unique geology allows for extensive geothermal development, making it a leader in this energy sector. Geothermal 2 is located approximately 80 miles north of San Francisco in the Sonoma County region.

Capacity
110 MW
Commissioning Year
1986

40 years old

Owner
Northern California Power Agny
Location
38.7492°, -122.7117°

United States of America, North America

Context & rankings
  • 2,008. largest of 10,098 plants in United States of America
  • #9,608 worldwide by installed capacity
  • #39 of 215 Geothermal plants worldwide
  • 0.01% of the installed capacity of United States of America
Age & fleet comparison

40 years in operation

Geothermal fleet average: 26.9 years

Operator portfolio

Northern California Power Agny operates 8 plants totalling 900 MW

Regional density

81 plants within 100 km, 4,441 MW combined

Nearest plant: Geothermal 1 (0.7 km)

Location

Coordinates:: 38.749200, -122.711700
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Geothermal 2 is a geothermal power plant producing approximately 771 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~38 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Geothermal
Energy Source
Renewable
Country
United States of America
Continent
North America
Data Source
Global Power Plant Database

United States of AmericaEnergy Profile

10,098
Total Plants
1420.7 GW
Total Capacity
GasCoalNuclearWind
Top Fuels

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