Vanadium Redox Flow Battery Plant — renewablesinfo.org

Vanadium Redox Flow Battery Plant — Plant Summary

EIA Plant ID: 61107
Capacity: 2 MW
Primary Fuel: Battery Storage
Technology: Batteries
Status: Operating
Location: San Diego, CA
Operating Since: 2017
Generators: 1
Operator: SDGE Batteries
Parent Company: Sempra Energy
Annual Generation: -1,369 MWh
Capacity Factor: -7.8%
Balancing Authority: California Independent System Operator
ISO/RTO: CAISO
NERC Region: WECC

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Vanadium Redox Flow Battery Plant

OperatingBESS

Ranked #169 of 191 BESS plants in CA#790 of 837 nationally

2 MW BESS operating in San Diego, CA — California Independent System Operator

EIAWD

2 MW

Nameplate Capacity

Generators

unit

Batteries

Technology

2017

Operating Since

Location

Coordinates

32.6825, -116.9888

County

San Diego, CA

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PFMG Solar Grossmont Helix LLC
Solar1.2 MW · 9.0 km

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	SDGE Batteries	San Diego Gas & Electric	—
Owner(s)	San Diego Gas & Electric Co	Sempra Energy	—
Status	Operating	—	—

Ownership Chain

About

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

EIA Plant Profile Wikidata

Engineering & Generators

Grid Context

NERC Region

WECC

Balancing Authority

California Independent System Operator

Grid Voltage

12 kV

Regulatory Status

Entity Type

Investor-Owned Utility

Sector

Electric Utility

Generation

−129 MWh

Net Charging

-1.4K MWh

Annual Net Energy

-7.8%

Capacity Factor

Jan 2022 – Dec 2024

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.

Financial Data

No financial data available for this plant.

Pricing & Market Data

HIGH confidence

Point of Interconnection

Nearest Substation

Miguel Substation · 500 kV

Substation Distance

0.863 km

Operator

San Diego Gas & Electric

Coord Source