WAL529

Power plant · Gas, reciprocating engine

Key facts

Power plant · Gas, reciprocating engine Operating

Commissioned: 2019
Net generation, 2025: 147 MWh
Grid: 0.5 kV to Texas-New Mexico Power Co (ERCO)
Location: Galveston 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: 7 years since 2019
Unused energy: 11 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: 9,605 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 Texas-New Mexico Power Co Balancing authority code ERCO Balancing authority name Electric Reliability Council of Texas, Inc.
Fuel burned (MMBtu), 2025	1,412
Capacity factor, 2025	0.013
Heat rate (Btu/kWh), 2025	9,605.4
Net generation (MWh), 2025	147
Balancing authority code	ERCO

3 sources

Sources

Projects within 25 km, nearest first.
Project	Kind	Away	MW
Vertus Energy Storage Plant Studied	Storage	4.4 km	204.9
Zeya Under construction	Storage	5.4 km	255.3
Red Egret Under construction	Storage	5.6 km	310.6
Hidden Lakes Postponed	Storage	13.7 km	9.9
Berkman Storage Postponed	Storage	16.3 km	100
Willow Beach Wind Contracted	Wind	18.8 km	202.3

Sources