World Power Plants

Elmore Company45.5 MW Geothermal

GeothermalRenewableVerified: Jul 2026

Elmore Company is a 45.5 MW geothermal power plant in the United States, operated by CalEnergy Operating Corporation since 1988. Ranked #24 of 65 geothermal plants in the United States. Its 45.5 MW capacity represents 1.17% of the country's 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 Elmore Company 25.6 times smaller. Nearby plants within 50 km include El Centro Hybrid (388.3 MW, Gas), Ocotillo Express LLC (265.4 MW, Wind), and Solar Gen 2 Solar Facility (163.2 MW, Solar). The facility is located in California, approximately 150 km east of San Diego.

Capacity
45.5 MW
Commissioning Year
1988

38 years old

Owner
CalEnergy Operating Corporation
Location
33.1777°, -115.6033°

United States of America, North America

Context & rankings
  • 3,093. largest of 10,098 plants in United States of America
  • #14,625 worldwide by installed capacity
  • #93 of 215 Geothermal plants worldwide
Age & fleet comparison

38 years in operation

Geothermal fleet average: 26.9 years

Operator portfolio

CalEnergy Operating Corporation operates 10 plants totalling 377 MW

Regional density

96 plants within 100 km, 11,442 MW combined

Nearest plant: Del Ranch Company (1.9 km)

Location

Coordinates:: 33.177700, -115.603300
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Elmore Company is a geothermal power plant producing approximately 319 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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