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WAL3518

Webb County, Texas · EIA plant ID 64933 · Operator: Walmart Stores Texas, LLC
Natural gasNatural Gas Internal Combustion EngineERCOTBA: ERCO
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Nameplate1MWSummer 1 MW
Generators3in service
Net generation0GWh12 mo to Dec 2025
Capacity factor4%gas/coal/oil units, summer MW
Heat rate10,010Btu/kWhfossil units, electric fuel, HHV
First online2021Runs as peaking

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
010203040MWh2022202320242025

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%2021202220232024202520263.7% · 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.
8,00010,00012,00014,0002022202320242025202610,010 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
202100.0%—
20220.32.9%15,154
20230.43.7%15,163
20240.32.7%14,557
20250.43.7%10,010

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 2021Operating—coming soon
GEN2Natural Gas Internal Combustion EngineIC0.40.4Oct 2021Operating—coming soon
GEN3Natural Gas Internal Combustion EngineIC0.40.4Oct 2021Operating—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.
HEB000952 MW0.6 km
WAL57131 MW1 km
Laredo264 MW6.3 km
Seven Flags BESS LLC100 MW18.2 km
Wolf Tank Storage150 MW19.7 km
Guajillo Energy Storage229 MW20.3 km