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10 MW Geothermal operating in Imperial, CA
10 MW
Nameplate Capacity
1
Generators
unit
Geothermal
Technology
1982
Operating Since
Coordinates
33.1580, -115.6475
County
Imperial, CA
Nearby Plants
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| 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 1 is a 10 MW geothermal power plant located in Imperial County, California. The plant, which began operating in 1982, is owned by Berkshire Hathaway and operated by CalEnergy Operating Corporation. It utilizes a single generator to convert geothermal energy into electricity. The plant's location falls within the balancing authority of the Imperial Irrigation District and the broader Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, Salton Sea Power Gen Co - Unit 1 generated 78,423 MWh of electricity, achieving a capacity factor of 89.1%. While a reliable source of geothermal power, the plant is relatively small compared to others in the state, ranking 32nd out of 33 power plants in California and 66th out of 70 nationally. Recent news coverage of the plant has focused on industry trends, regulatory matters, and potential hazards.
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
Imperial Irrigation District (IID)
Grid Voltage
33.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
7.1K MWh
Latest Month
78.4K MWh
Annual Generation
89.1%
Capacity Factor
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CO₂ Intensity
89 lb/MWh
NOx
0.001 lb/MWh
SO₂
0.000 lb/MWh
CH₄
—
N₂O
—
Capacity Factor
86.6%
Annual Net Gen
76 GWh
CO₂eq
89 lb/MWh
Subregion
WECC Southwest
2013
$2,851/kW
Est. Construction Cost
Total estimated cost: $28.5M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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