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161 MW Batteries (20 MW) + Natural Gas Fired Combustion Turbine (141 MW) operating in Orange, CA — California Independent System Operator
161 MW
Nameplate Capacity
4
Generators
units
Hybrid (2)
Technology
Batteries + Natural Gas Fired Combustion Turbine
2020
Operating Since
Coordinates
33.8068, -117.9865
County
Orange, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wellhead Services, Inc | Wellhead Services | — |
| Owner(s) | W Power LLC, Wellhead Services, Inc | Wellhead Electric Company | — |
| Status | Operating | — | — |
The Stanton Energy Reliability Center Hybrid is a 161 MW hybrid power plant located in Orange County, California. The plant, which began operating in 2020, is owned by Wellhead Electric Company and operated by Wellhead Services, Inc. It utilizes both natural gas-fired combustion turbines and batteries as its energy sources. The facility includes 4 generators and a 4.5 MWh battery energy storage system (BESS) with a 0.45-hour duration, employing lithium-ion battery chemistry.
The plant's primary fuel is listed as MWH. In its latest year of operation, the Stanton Energy Reliability Center Hybrid generated 1,832 MWh of electricity, resulting in a capacity factor of 0.1%. The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. It is ranked 80th out of 112 power plants in California and 366th out of 514 nationally.
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
Independent Power Producer
Sector
IPP Non-CHP
104 MWh
Latest Month
1.8K MWh
Annual Generation
0.1%
Capacity Factor
CO₂ Intensity
1598 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
0.144 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.030 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
0.2%
Annual Net Gen
2 GWh
CO₂eq
1599 lb/MWh
Subregion
WECC California
2020
$758/kW
Est. Construction Cost
Total estimated cost: $122.0M
Market Position
ISO/RTO Market
CAISO
LMP Node
STANTNG2_7_N002
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-26
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