← Back to map

Vanadium Redox Flow Battery Plant

San Diego County, California · EIA plant ID 61107 · Operator: SDGE Batteries
BatteryBatteriesCAISOBA: CISO
Nameplate2MWSummer 2 MW
Generators1in service
Net generation-2GWh12 mo to Dec 2025
Capacity factor—not meaningful for storage
Heat rate—thermal plants only
First online2017

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
-200-1000MWh20182019202020212022202320242025

Capacity factor by year

Net MWh ÷ (summer MW × hours), primary-fuel units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
No capacity factor available.

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20170.4——
2018-1.5——
2019-1.1——
2020-0.8——
2021-0.9——
2022-0.8——
2023-1.8——
2024-1.4——
2025-1.8——

Generators

EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
Gen IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
VRFBatteriesBA22Jun 2017Operating—coming soon

Owner / operator

Operator: SDGE Batteries. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
San Diego Gas & Electric Co100.0%2 MW

Nearby plants

Within 80 km.
Paradise Energy Storage10 MW6.2 km
Grossmont-Cuyamaca-Cuyamaca Col. Solar &2 MW8.5 km
PFMG Solar Grossmont Helix LLC1 MW9 km
County of San Diego SBRC1 MW10 km
SeaWorld Aquatica1 MW10.8 km
Grossmont Hospital5 MW10.9 km