World Power PlantsWorld Power Plants

Mammoth Pacific II15 MW Geothermal

GeothermalRenewable

Mammoth Pacific II is a 15 MW geothermal power plant in the United States, operated by Ormat Nevada Inc since 1991. Ranked #55 of 65 geothermal plants in the United States. Its 15 MW represents 0.39% of the United States' total geothermal capacity of 3,889 MW. The largest geothermal plant in the United States is Geysers Unit 5-20 at 1,163 MW, making Mammoth Pacific II 77.5 times smaller. Nearby plants within 50 km include Mammoth Pool (190 MW, Hydro), Big Creek 2A (110 MW, Hydro), and Big Creek 1 (88.4 MW, Hydro). The facility is located in California, approximately 320 km south of Reno.

Capacity
15 MW
Commissioning Year
1991

35 years old

Owner
Ormat Nevada Inc
Location
37.6464°, -118.9092°

United States of America, North America

Location
Coordinates:: 37.646400, -118.909200
Open in Google Maps
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
10,047
Total Plants
1386.4 GW
Total Capacity
GasCoalNuclearHydro
Top Fuels
Understanding Geothermal Power Generation: An Overview

Geothermal power generation harnesses the Earth's internal heat to produce electricity. This renewable energy source exploits the thermal energy stored beneath the Earth's crust, which can be accessed through geothermal power plants. These plants typically utilize steam or hot water from geothermal reservoirs to drive turbines that generate electricity. The process begins by drilling wells into geothermal reservoirs, often located in tectonically active regions, where the temperature gradient is favorable for energy extraction. The steam or hot water extracted is then channeled to turbines, converting thermal energy into mechanical energy, which is subsequently transformed into electrical energy by generators.

See Incorrect or Missing Data?

Help us improve our database by reporting any corrections or updates. Your contribution helps keep our global power plant data accurate and up-to-date.