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53.9 MW Geothermal operating in Imperial, CA — Imperial Irrigation District
53.9 MW
Nameplate Capacity
1
Generators
unit
Geothermal
Technology
1989
Operating Since
Coordinates
33.1582, -115.6387
County
Imperial, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | CalEnergy Operating Corporation | CalEnergy Operating Corp | — |
| Owner(s) | CE Generation | Berkshire Hathaway | — |
| Status | Operating | operating | — |
Salton Sea Power Gen Co - Unit 3 is a 53.9 MW geothermal power plant located in Imperial County, California. The plant began operating in 1989 and has one generator. It is owned by Berkshire Hathaway and operated by CalEnergy Operating Corporation. The plant's primary fuel source is geothermal energy.
In the most recent year with available data, Salton Sea Power Gen Co - Unit 3 generated 314,898 MWh of electricity, achieving a capacity factor of 66.5%. The plant operates within the Imperial Irrigation District balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. It is ranked as the 15th largest geothermal plant in California (out of 33) and the 23rd largest in the United States (out of 70).
Generated from EIA, GEM, and public data sources
Grid Region
California (non-ISO)
Market
Bilateral Market
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
26.2K MWh
Latest Month
314.9K MWh
Annual Generation
66.5%
Capacity Factor
CO₂ Intensity
89 lb/MWh
NOx
0.001 lb/MWh
SO₂
2013
$2,851/kW
Est. Construction Cost
Total estimated cost: $153.7M
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
Last updated 2026-03-26
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ask pi about Salton Sea Power Gen Co - Unit 3Imperial Irrigation District (IID)
Grid Voltage
92.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
0.000 lb/MWh
CH₄
—
N₂O
—
Capacity Factor
71.3%
Annual Net Gen
337 GWh
CO₂eq
89 lb/MWh
Subregion
WECC Southwest