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Danish Fields Storage

Wharton County, Texas · EIA plant ID 66916 · Operator: Danish Fields Storage, LLC
BatteryBatteriesERCOTBA: ERCO
Nameplate150MWSummer 150 MW
Generators1in service
Net generation-6GWh12 mo to Aug 2026
Capacity factor—not meaningful for storage
Heat rate—thermal plants only
First online2026

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
-1.5-1-0.50GWh

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
DANSTBatteriesBA150150Mar 2026Operating—coming soon

Owner / operator

Operator: Danish Fields Storage, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Danish Fields Storage, LLC100.0%150 MW

Nearby plants

Within 80 km.
Danish Fields Solar, LLC—0 km
Hecate Energy Ramsey Storage—2.3 km
Pavlov10 MW9.4 km
Matagorda Clean Energy Center (BESS)—9.5 km
Aktina Solar500 MW13.2 km
Prairie Switch Wind LLC163 MW15.4 km