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10 MW BESS operating in San Diego, CA — California Independent System Operator
10 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2026
Operating Since
Coordinates
32.8549, -116.9684
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 | — | — |
Santee BESS is a 10 MW battery energy storage system located in San Diego County, California. The plant is owned by Sempra Energy and operated by San Diego Gas & Electric Co. It consists of a single generator utilizing battery technology and MWH as its primary fuel source.
The facility operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Santee BESS ranks as the 206th largest power plant in California out of 300, and 782nd nationally out of 1205 facilities.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
No generation data available for this plant.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $13.6M
Market Position
ISO/RTO Market
CAISO
LMP Node
SANTEE_1_N001
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-26
View all articlesNo ask pi reports yet for this entity.
ask pi about Santee BESSCalifornia Independent System Operator (CISO)
Grid Voltage
12.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility