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WAL529

Galveston County, Texas · EIA plant ID 64794 · Operator: Walmart Stores Texas, LLC
Natural gasNatural Gas Internal Combustion EngineERCOTBA: ERCO
Nameplate1MWSummer 1 MW
Generators1in service
Net generation0GWh12 mo to Dec 2025
Capacity factor1%gas/coal/oil units, summer MW
Heat rate9,605Btu/kWhfossil units, electric fuel, HHV
First online2019Runs as rarely runs

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
0102030MWh20212022202320242025

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%1%2%2021202220232024202520261.3% · 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.
8,00010,00012,00014,0002021202220232024202520269,605 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20210.32.5%14,847
20220.21.7%9,898
20230.32.4%14,847
20240.21.4%9,405
20250.11.3%9,605

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 EngineIC1.31.3Nov 2019Operating—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

Nearby plants

Within 80 km.
Vertus Energy Storage Plant200 MW4.4 km
GCWA7 MW4.6 km
Mainland10 MW4.7 km
Texas City Plant Union Carbide26 MW5.2 km
Heights10 MW5.3 km
Zeya—5.4 km