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1.5 MW BESS operating in San Diego, CA
1.5 MW
Nameplate Capacity
2
Generators
units
Batteries
Technology
2012
Operating Since
Coordinates
33.2701, -116.3496
County
San Diego, CA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | SDGE Batteries | — | — |
| Owner(s) | SDGE Batteries | — | — |
| Status | Operating | — | — |
Borrego Springs Energy Storage is a battery energy storage system (BESS) located in San Diego County, California. The plant has a total capacity of 1.5 MW and consists of two generators utilizing battery technology. It began operating in 2012 and is owned and operated by SDGE Batteries. The primary fuel source for the facility is electricity (MWH), which is used to charge the batteries.
The BESS has a storage capacity of 1.5 MWh and a duration of 3 hours. The battery chemistry used is lithium-ion (LIB). Borrego Springs Energy Storage operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In terms of size, the plant ranks 284th out of 300 power plants in California and 1163rd out of 1205 plants 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
California Independent System Operator (CISO)
Grid Voltage
12.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
−9 MWh
Net Charging
-108 MWh
Annual Net Energy
-0.8%
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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2013
$913/kW
Est. Construction Cost
Total estimated cost: $1.4M
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Market Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_SP15_GEN-APND
Node Source
Shared substation inference
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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