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10 MW BESS operating in San Diego, CA
10 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
33.3577, -117.1117
County
San Diego, CA
Nearby Plants
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | San Diego Gas & Electric Co | San Diego Gas & Electric | — |
| Owner(s) | San Diego Gas & Electric Co | Sempra Energy | — |
| Status | Operating | — | — |
The Pala Gomez Creek BESS is a 10 MW battery energy storage system located in San Diego County, California. The plant began operating in 2024 and is owned by Sempra Energy, with San Diego Gas & Electric Co. acting as the operator. The facility utilizes lithium-ion batteries (LIB) and has a total storage capacity of 10 MWh, providing a duration of 1 hour at full output.
The plant consists of a single generator and connects to the grid within the California Independent System Operator (CAISO) balancing authority, part of the Western Electricity Coordinating Council (WECC) NERC region. In terms of size, the Pala Gomez Creek BESS is ranked as the 197th largest power plant in California out of 300, and 767th 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
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
−106 MWh
Net Charging
-3.1K MWh
Annual Net Energy
-3.5%
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.
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Request a demo →2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $13.6M
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Request a demo →Point of Interconnection
Nearest Substation
Monserate · 33 kV
Substation Distance
< 10 km
Operator
San Deigo Gas and Electric
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_SP15_GEN-APND
Node Source
Shared substation inference
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-26
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