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1739.1 MW Natural Gas Fired Combined Cycle (630 MW) + Natural Gas Fired Combustion Turbine (649 MW) + Natural Gas Steam Turbine (460 MW) operating in Los Angeles, CA — Los Angeles Department of Water and Power
1,739.1 MW
Nameplate Capacity
11
Generators
units
Hybrid (3)
Technology
Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine + Natural Gas Steam Turbine
1962
Operating Since
Coordinates
33.7647, -118.0991
County
Los Angeles, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Los Angeles Department of Water & Power | Los Angeles Department of Water & Power | — |
| Owner(s) | Los Angeles Department of Water & Power | Los Angeles Department of Water & Power | — |
| Status | Operating | — | — |
Haynes Generating Station, located in Los Angeles County, California, is a natural gas-fired power plant owned and operated by the Los Angeles Department of Water & Power (LADWP). Commissioned in 1962, the plant has a total capacity of 1739.1 MW across 11 generators utilizing a mix of technologies: natural gas fired combined cycle, natural gas fired combustion turbine, and natural gas steam turbine. Haynes is considered a hybrid plant. It operates within the LADWP balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
Haynes is a significant power source in California, ranking as the second-largest power plant in the state out of 76 facilities and 42nd nationally out of 945. The plant's latest annual generation was 1,652,416 MWh, resulting in a capacity factor of 10.9%. Recent news coverage related to the plant includes 4 articles on regulatory matters, 3 on grid issues, 2 on industry trends, and 1 concerning hazards.
Generated from EIA, GEM, and public data sources
Grid Region
California (non-ISO)
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Los Angeles Department of Water and Power (LDWP)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility
68.4K MWh
Latest Month
1.7M MWh
Annual Generation
10.9%
Capacity Factor
CO₂ Intensity
929 lb/MWh
NOx
0.048 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.018 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
16.7%
Annual Net Gen
2550 GWh
CO₂eq
930 lb/MWh
Subregion
WECC California
2013
$965/kW
Est. Construction Cost
Total estimated cost: $1.7B
Market Position
LMP Node
none
Pricing Hub
—
Last updated 2026-03-26
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