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68.8 MW BESS operating in Orange, CA — California Independent System Operator
68.8 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2023
Operating Since
Coordinates
33.8068, -117.9886
County
Orange, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wellhead Services, Inc | Wellhead Services | — |
| Owner(s) | Wellhead Services, Inc | Wellhead Electric Company | — |
| Status | Operating | — | — |
Stanton Battery Energy Storage is a 68.8 MW battery energy storage system located in Orange County, California. The plant began operating in 2023 and is owned by Wellhead Electric Company, with Wellhead Services, Inc. acting as the operator. The facility utilizes batteries as its primary fuel source (MWH) and employs battery storage technology. It consists of a single generator.
The battery system has a total storage capacity of 275.2 MWh, providing a duration of 4 hours. The battery chemistry is Lithium Ion (LIB). Stanton Battery Energy Storage operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. The plant ranks 141st out of 300 power plants in California and 566th out of 1205 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
−714 MWh
Net Charging
-10.0K MWh
Annual Net Energy
-1.7%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $93.6M
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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ask pi about Stanton Battery Energy StorageCalifornia Independent System Operator (CISO)
Grid Voltage
66.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP