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WAL3320

Hidalgo County, Texas · EIA plant ID 64901 · 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 factor3%gas/coal/oil units, summer MW
Heat rate9,989Btu/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%1%2%3%2021202220232024202520263.4% · 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.
8,00010,00012,00014,0002021202220232024202520269,989 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
202100.6%14,148
20220.33.2%14,306
20230.43.5%14,318
20240.32.8%14,639
20250.43.4%9,989

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 EngineIC0.40.4Aug 2021Operating—coming soon
GEN2Natural Gas Internal Combustion EngineIC0.40.4Aug 2021Operating—coming soon
GEN3Natural Gas Internal Combustion EngineIC0.40.4Aug 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.
Palmview BESS10 MW5.9 km
WAL4521 MW7.3 km
Citrus City9 MW7.6 km
Citrus City BESS10 MW7.6 km
Carambola BESS98 MW7.8 km
SMT Mission LLC10 MW8 km