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9 MW BESS out of service in Orange, CA — California Independent System Operator
9 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2021
Operating Since
Coordinates
33.7155, -117.8543
County
Orange, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Convergent Energy and Power LP | — | — |
| Owner(s) | Orange County Energy Storage 2, LLC | — | — |
| Status | Out of service | — | — |
Orange County Energy Storage 2 is a 9 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. The facility consists of a single generator utilizing batteries as its primary fuel source, specifically lithium-ion batteries (LIB). The battery system has a total storage capacity of 36 MWh, providing a duration of 4 hours at its full 9 MW output.
The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In terms of size, Orange County Energy Storage 2 is ranked as the 211th largest power plant in California out of 300, and 856th nationally out of 1205.
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
−6 MWh
Net Charging
-811 MWh
Annual Net Energy
-1.0%
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: $16.2M
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_N06
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
EIA-860 direct report
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