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WAL940

Tarrant County, Texas · EIA plant ID 64809 · Operator: Walmart Stores Texas, LLC
Natural gasNatural Gas Internal Combustion EngineERCOTBA: ERCO
Nameplate1MWSummer 1 MW
Generators3in service
Net generation0GWh12 mo to Dec 2025
Capacity factor4%gas/coal/oil units, summer MW
Heat rate9,987Btu/kWhfossil units, electric fuel, HHV
First online2020Runs as peaking

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
02040MWh20212022202320242025

Capacity factor by year

Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%2%4%2021202220232024202520264.2% · 12 mo

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
8,00010,00012,00014,0002021202220232024202520269,987 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20210.43.4%14,048
20220.33.0%14,138
20230.33.2%14,130
20240.22.4%14,149
20250.44.2%9,987

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
GEN1Natural Gas Internal Combustion EngineIC0.40.4Oct 2020Operating—coming soon
GEN2Natural Gas Internal Combustion EngineIC0.40.4Oct 2020Operating—coming soon
GEN3Natural Gas Internal Combustion EngineIC0.40.4Oct 2020Operating—coming soon

Owner / operator

Operator: Walmart Stores Texas, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Walmart Stores Texas, LLC100.0%1 MW

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Within 80 km.
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