Vulcan-Bn Geothermal Power Company

♨ GeothermalIPP Non-CHP39 MW capacity

491st largest plant in California · 3933rd nationally

Vulcan-Bn Geothermal Power Company is a geothermal power plant in California with a nameplate capacity of 39.6 MW. It generates roughly 259.4k MWh per year — enough to power about 24,700 average U.S. homes.

Its capacity factor of 75% puts it in the middle range — running steadily but not full-time. At 89 lb CO₂/MWh, its emission rate sits below the national grid average of roughly 800 lb/MWh.

PeakingMid-meritBaseload0%40%80%100%75%
Mid-merit — steady but not full-time
Capacity40 MWnameplate
Annual Generation259.4k MWhEPA eGRID
Capacity Factor75%of theoretical max
Annual CO₂11.5kmetric tons

Location

Plant NameVulcan-Bn Geothermal Power Company
OperatorCalenergy Operating Corporation
CityCalipatria
CountyImperial County
StateCalifornia
ZIP92233
Coordinates33.16330, -115.61670

This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.

Natural GasSolarGeothermal

Generators (2)

IDTechnologyFuelCapacityStatusOnline
GEN1GeothermalGeothermal30.1 MWOperating1985
GEN2GeothermalGeothermal9.5 MWOperating1985

Ownership

OwnerLocationShare
Ce GenerationOmaha, NE10000.0%

Ownership reported to EIA Form 860. Percentages reflect reported generator-level ownership share, averaged when a plant has multiple generators.

Emissions (annual)

CO₂11.5k metric tons
CO₂ Rate89 lb/MWh
This plant88 lb/MWhU.S. grid average800 lb/MWhNatural gas combined-cycle average900 lb/MWhCoal plant average2,100 lb/MWh

Annual totals and CO₂ rate reported by EPA eGRID for 2023. Reference averages are approximate U.S.-wide figures from the same dataset.

Grid context

NERC RegionWECC
Balancing AuthorityImperial Irrigation District

About Geothermal plants

Geothermal plants tap heat from underground reservoirs to spin steam turbines. They provide carbon-free baseload power with very high capacity factors, but they only work where hot rock is accessible — primarily in the western U.S.

Other plants in Imperial County

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