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6 MW BESS out of service in Orange, CA — California Independent System Operator
6 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2021
Operating Since
Coordinates
33.7149, -117.8543
County
Orange, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Convergent Energy and Power LP | — | — |
| Owner(s) | Orange County Energy Storage 3, LLC | — | — |
| Status | Out of service | — | — |
Orange County Energy Storage 3 is a 6 MW battery energy storage system located in Orange County, California. The plant began operating in 2021 and is owned and operated by Convergent Energy and Power LP. It interconnects to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region. The facility has one generator utilizing battery technology with a total energy storage capacity of 24 MWh, providing a duration of 4 hours.
The plant utilizes lithium-ion (LIB) battery chemistry. As of the latest rankings, Orange County Energy Storage 3 is the 217th largest power plant in California out of 300, and the 938th largest in the United States out of 1205. The plant's primary fuel is listed as MWH, indicating it draws power from the grid to charge its batteries.
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
12.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
−7 MWh
Net Charging
-787 MWh
Annual Net Energy
-1.5%
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.
2021
$1,796/kW
Est. Construction Cost
Total estimated cost: $10.8M
Point of Interconnection
Nearest Substation
Johanna Substation · 220 kV
Substation Distance
< 10 km
Operator
Southern California Edison
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
JOHANNA_6_N07
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
EIA-860 direct report
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