100 MW BESS testing in San Diego, CA — California Independent System Operator
100 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
Coordinates
32.9400, -117.0319
County
San Diego, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | MN8 Energy LLC | — | — |
| Owner(s) | Pome BESS LLC | — | — |
| Status | Testing | — | — |
Pome BESS is a 100 MW battery energy storage system located in San Diego County, California. The plant is owned and operated by MN8 Energy LLC. It consists of a single generator utilizing batteries as its primary fuel source, designated by the code MWH. The facility operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
Pome BESS is ranked as the 105th largest power plant in California out of 112, and nationally it is ranked 500th out of 514. Recent news coverage indicates activity related to deals and regulatory matters concerning the plant.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
−1.3K MWh
Net Charging
—
Annual Net Energy
—
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.
No financial data available for this plant.
Market Position
ISO/RTO Market
CAISO
LMP Node
POMERADO_6_N004
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
California utility SCE seeks expedited approval for solar-plus-storage offtake contracts
Southern California Edison (SCE) is seeking expedited CPUC approval for offtake contracts related to Copia Power's Centennial Flats project.
Eolus sells 100MW/400MWh BESS to California utility SCP
The North American division of Sweden's Eolus Vind has agreed to sell the 100MW/400MWh Pome battery energy storage system (BESS) project.
‘US perhaps the most exciting market’: Sweden’s Eolus advances sale of 100MW California BESS
North American arm of Eolus Vind has secured financing and advanced the sales process for its Pome standalone BESS facility in California.
Last updated 2026-03-14
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