WAL461

Power plant · Gas, reciprocating engine

Key facts

Power plant · Gas, reciprocating engine Operating

Commissioned: 2021
Net generation, 2025: 344 MWh
Grid: 0.5 kV to AEP Texas Central Company (ERCO)
Location: Maverick County, Texas
Operated by: Walmart Stores Texas, LLCSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Net generation MWh by year, 2021 to 2025

Fuel burned MMBtu by year, 2021 to 2025

No companies named in filings yet.

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Technology: Gas, reciprocating engine source: “Natural Gas Internal Combustion Engine”
Age: 5 years since 2021
Unused energy: 10 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
Heat rate: 9,994 Btu/kWh 2025

All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory

Attributes
Attribute	Value
Grid	Nerc region TRE Report year 2025 Grid voltage kv 0.500 Transmission owner AEP Texas Central Company Balancing authority code ERCO Balancing authority name Electric Reliability Council of Texas, Inc.
Fuel burned (MMBtu), 2025	3,438
Capacity factor, 2025	0.033
Heat rate (Btu/kWh), 2025	9,994.2
Net generation (MWh), 2025	344
Balancing authority code	ERCO