Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
7.5 MW BESS operating in San Diego, CA — California Independent System Operator
7.5 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2017
Operating Since
Coordinates
32.8115, -117.0505
County
San Diego, CA
Nearby Plants
| 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 | — | — |
El Cajon Energy Storage is a 7.5 MW battery energy storage system located in San Diego County, California. The plant began operating in 2017 and is owned by Sempra Energy, with San Diego Gas & Electric Co. acting as the operator. The facility utilizes batteries as its primary fuel source (MWH) and consists of a single generator. The battery energy storage system (BESS) has a storage capacity of 30 MWh, providing a duration of 4 hours. The battery chemistry is Lithium Ion (LIB).
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, El Cajon Energy Storage ranks as the 213th largest plant in California out of 300, and 902nd 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
−54 MWh
Net Charging
-601 MWh
Annual Net Energy
-0.9%
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.
2017
$1,587/kW
Est. Construction Cost
Total estimated cost: $11.9M
Point of Interconnection
Nearest Substation
Murray Substation · 69 kV
Substation Distance
3.434 km
Operator
San Diego Gas & Electric
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
MURRAY_6_N015
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
No news articles linked yet for this plant.
News enrichment runs on demand — we have the pipeline, we just haven't fetched coverage for this plant yet. Request a detailed re-run and we'll add it.
No ask pi reports yet for this entity.
ask pi about El Cajon Energy StorageCalifornia Independent System Operator (CISO)
Grid Voltage
12.5 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility