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39.6 MW Geothermal operating in Imperial, CA — Imperial Irrigation District
39.6 MW
Nameplate Capacity
2
Generators
units
Geothermal
Technology
1985
Operating Since
Coordinates
33.1631, -115.6187
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 | — |
Vulcan-BN Geothermal Power Company is a 39.6 MW geothermal power plant located in Imperial County, California. The plant began operating in 1985 and consists of two generators utilizing geothermal technology. It is owned by Berkshire Hathaway and operated by CalEnergy Operating Corporation. The plant's output is delivered within the Imperial Irrigation District balancing authority, which falls under the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, Vulcan-BN Geothermal Power Company generated 227,159 MWh of electricity, achieving a capacity factor of 65.2%. The plant is a significant geothermal resource in California, ranking 22nd out of 33 power plants in the state and 31st out of 70 nationally.
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
92.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
7.4K MWh
Latest Month
227.2K MWh
Annual Generation
65.2%
Capacity Factor
CO₂ Intensity
89 lb/MWh
NOx
0.001 lb/MWh
SO₂
0.000 lb/MWh
CH₄
—
N₂O
—
Capacity Factor
74.8%
Annual Net Gen
259 GWh
CO₂eq
89 lb/MWh
Subregion
WECC Southwest
2013
$2,851/kW
Est. Construction Cost
Total estimated cost: $112.9M
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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