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Westminster Reliability Project, LLCUnder construction

Orange County, California · EIA plant ID 70463 · Operator: RWE Clean Energy
BatteryCAISOBA: CISO

110 MW under construction (Batteries), first expected Dec 2026 · EIA-860M

Nameplate—MWSummer — MW
Generators0in service · 110 MW building
Net generation—GWh12 mo
Capacity factor—not meaningful for storage
Heat rate—thermal plants only
First online—

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.

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
WSTBABatteriesBA110110planned Dec 2026Under construction—coming soon

Owner / operator

Operator: RWE Clean Energy. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).

Nearby plants

Within 80 km.
BCE Los Alamitos 220 MW3.8 km
Stanton Battery Energy Storage69 MW4.3 km
Stanton Energy Reliability Center Hybrid161 MW4.4 km
Barre Peaker50 MW4.6 km
BCE Los Alamitos 120 MW5.2 km
BCE Seal Beach29 MW5.4 km