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2 MW BESS operating in San Diego, CA — California Independent System Operator
2 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2017
Operating Since
Coordinates
32.6825, -116.9888
County
San Diego, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | SDGE Batteries | San Diego Gas & Electric | — |
| Owner(s) | San Diego Gas & Electric Co | Sempra Energy | — |
| Status | Operating | — | — |
The Vanadium Redox Flow Battery Plant, located in San Diego County, California, is a 2 MW battery energy storage system. The plant, which began operating in 2017, is owned by Sempra Energy and operated by SDGE Batteries. It consists of a single generator utilizing battery technology with a chemistry of FLB.
The plant has a total energy storage capacity of 8 MWh, providing a duration of 4 hours at its full 2 MW output. It operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. The Vanadium Redox Flow Battery Plant is ranked 273rd out of 300 power plants in California and 1133rd out of 1205 plants nationally. Its primary fuel source is listed as MWH (megawatt-hours), indicating it draws power from the grid to charge its batteries.
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
−129 MWh
Net Charging
-1.4K MWh
Annual Net Energy
-7.8%
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.
2017
$1,587/kW
Est. Construction Cost
Total estimated cost: $3.2M
Point of Interconnection
Nearest Substation
Miguel Substation · 500 kV
Substation Distance
0.863 km
Operator
San Diego Gas & Electric
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
PRCTRV1_7_N001
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
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