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40 MW BESS operating in Los Angeles, CA
40 MW
Nameplate Capacity
2
Generators
units
Batteries
Technology
2016
Operating Since
Coordinates
34.0594, -117.7742
County
Los Angeles, CA
Nearby Plants
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | VESI Pomona Energy Storage, Inc. | — | — |
| Owner(s) | VESI Pomona Energy Storage, Inc. | — | — |
| Status | Operating | — | — |
VESI Pomona is a 40 MW battery energy storage system (BESS) located in Los Angeles County, California. The plant began operating in 2016 and is owned and operated by VESI Pomona Energy Storage, Inc. It consists of two generators utilizing lithium-ion batteries (LIB) as the storage chemistry. The facility has a total storage capacity of 20 MWh, providing a duration of 1 hour at its full power output.
VESI Pomona is interconnected to the California Independent System Operator (CAISO) grid and falls within the Western Electricity Coordinating Council (WECC) NERC region. The plant is ranked as the 164th largest power plant in California out of 300, and nationally it is ranked 631st out of 1205. The plant's primary fuel source is listed as MWH, reflecting its role as an energy storage facility rather than a traditional generator.
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
−333 MWh
Net Charging
-4.2K MWh
Annual Net Energy
-1.2%
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.
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$1,763/kW
Est. Construction Cost
Total estimated cost: $70.5M
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Request a demo →Market Position
ISO/RTO Market
CAISO
LMP Node
CHINO_6_N010
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
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