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180.1 MW Natural Gas operating in Los Angeles, CA — California Independent System Operator
180.1 MW
Nameplate Capacity
6
Generators
units
Natural Gas Fired Combined Cycle
Technology
1987
Operating Since
Coordinates
33.9058, -118.4031
County
Los Angeles, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Chevron USA Inc-El Segundo | Chevron USA | — |
| Owner(s) | Chevron USA Inc, Chevron USA Inc-El Segundo | Chevron | — |
| Status | Operating | — | — |
El Segundo Cogen is a natural gas-fired combined cycle power plant located in Los Angeles County, California. The plant has a total capacity of 180.1 MW distributed across six generators. It began operating in 1987 and is owned and operated by Chevron USA Inc-El Segundo, a subsidiary of Chevron. The plant operates within the California Independent System Operator (CAISO) balancing authority, which falls under the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, El Segundo Cogen generated 1,216,454 MWh of electricity, achieving a capacity factor of 77.0%. The plant is ranked as the 56th largest in California out of 76 plants and 771st nationally out of 945 plants.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
California Independent System Operator (CISO)
Grid Voltage
66.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Industrial
Sector
Industrial CHP
110.4K MWh
Latest Month
1.2M MWh
Annual Generation
77.0%
Capacity Factor
CO₂ Intensity
1216 lb/MWh
NOx
3 lb/MWh
SO₂
0.006 lb/MWh
CH₄
0.023 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
73.2%
Annual Net Gen
1155 GWh
CO₂eq
1217 lb/MWh
Subregion
WECC California
2013
$965/kW
Est. Construction Cost
Total estimated cost: $173.8M
Market Position
ISO/RTO Market
CAISO
LMP Node
ELSEG4G 7 B1
Pricing Hub
TH_SP15_GEN-APND
Node Source
EIA-860 direct report
Last updated 2026-03-14
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