Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
45.5 MW Geothermal operating in Imperial, CA — Imperial Irrigation District
45.5 MW
Nameplate Capacity
1
Generators
unit
Geothermal
Technology
1988
Operating Since
Coordinates
33.1648, -115.6187
County
Imperial, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | CalEnergy Operating Corporation | CalEnergy Operating | — |
| Owner(s) | CE Generation | Berkshire Hathaway | — |
| Status | Operating | operating | — |
The Del Ranch Company is a 45.5 MW geothermal power plant located in Imperial County, California. The plant began operating in 1988 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, the Del Ranch Company generated 326,297 MWh of electricity, achieving a capacity factor of 81.5%. The plant operates within the Imperial Irrigation District balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Among geothermal plants in California, Del Ranch ranks 19th out of 33 in terms of capacity, and nationally it ranks 29th 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
25.7K MWh
Latest Month
326.3K MWh
Annual Generation
81.5%
Capacity Factor
CO₂ Intensity
89 lb/MWh
NOx
0.001 lb/MWh
SO₂
2013
$2,851/kW
Est. Construction Cost
Total estimated cost: $129.7M
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
Last updated 2026-03-26
View all articlesNo ask pi reports yet for this entity.
ask pi about Del Ranch CompanyImperial 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
78.1%
Annual Net Gen
311 GWh
CO₂eq
89 lb/MWh
Subregion
WECC Southwest