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Woodward Energy Storage

Woodward County, Oklahoma · EIA plant ID 68577 · Operator: Woodward Energy Storage, LLC
BatteryBatteriesSPPBA: SWPP
Nameplate40MWSummer 40 MW
Generators1in service
Net generation-15GWh12 mo to Aug 2026
Capacity factor—not meaningful for storage
Heat rate—thermal plants only
First online2025

The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
-8-6-4-20GWh2026

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)
2025-5.9——

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
BESS1BatteriesBA4040May 2025Operating—coming soon

Owner / operator

Operator: Woodward Energy Storage, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Woodward Energy Storage, LLC100.0%40 MW

Nearby plants

Within 80 km.
Oklahoma Wind Energy Center102 MW5 km
Boiling Springs Wind Farm148 MW5.9 km
Mooreland305 MW16.5 km
Sleeping Bear LLC95 MW19.4 km
Centennial Wind Farm120 MW27.9 km
OU Spirit Wind Farm101 MW31.1 km