How much power can Wal456 produce?

Wal456 has 1.2 MW of operating nameplate capacity across 3 generators as of August 2026.

EIA lists Walmart Stores Texas, LLC as the operator of Wal456.

How much electricity did Wal456 generate?

Wal456 reported 374 MWh of net generation in 2023 and 306 tons of carbon dioxide emissions, according to EPA eGRID.

Checked Oct 26, 2026

Wal456

1.2 MW natural gas power plant · Cameron County, Texas

Operating capacity: 1.2 MW; 3 generators
Main fuel: Natural gas
First unit online: 2021
Generation, 2023: 374 MWh

Plant details

EIA plant ID: 64777
Operator: Walmart Stores Texas, LLC
Sector: Commercial Non-CHP
County: Cameron County
Balancing authority: ERCO
Location: 25.9761, -97.5195

Operating generators

Nameplate capacity and the month each began operating

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Generator	Fuel	Capacity	Online	Status
GEN1Natural Gas Internal Combustion Engine	Natural gas	0.4 MW	Sep 2021	Operating
GEN2Natural Gas Internal Combustion Engine	Natural gas	0.4 MW	Sep 2021	Operating
GEN3Natural Gas Internal Combustion Engine	Natural gas	0.4 MW	Sep 2021	Operating

Generation and emissions, 2023

EPA eGRID annual data

Net generation: 374 MWh
Capacity factor: 3.6%
CO2 emissions: 306 tons
CO2 emission rate: 1,636 lb/MWh

Nearby power plants

Within 25 miles

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Plant	Fuel	Capacity	Distance
Aggreko MSR Grid PC7	Battery storage	10.0 MW	1.8 mi
Silas Ray	Natural gas	143 MW	4.3 mi
Villa Cavasos	Petroleum	9.0 MW	5.7 mi
SMT Los Fresnos LLC	Battery storage	10.0 MW	6.8 mi
Regis Laureles	Battery storage	9.9 MW	10 mi
San Roman Wind I, LLC	Wind	95.3 MW	14 mi
Cameron Wind 1 LLC	Wind	181 MW	15 mi
Vaquero	Petroleum	9.0 MW	16 mi

Frequently asked questions

How much power can Wal456 produce?: Wal456 has 1.2 MW of operating nameplate capacity across 3 generators as of August 2026.
Who operates Wal456?: EIA lists Walmart Stores Texas, LLC as the operator of Wal456.
How much electricity did Wal456 generate?: Wal456 reported 374 MWh of net generation in 2023 and 306 tons of carbon dioxide emissions, according to EPA eGRID.

Source: U.S. Energy Information Administration, Form EIA-860M (August 2026); U.S. EPA eGRID2023 · Data for August 2026

Data sources

Form EIA-860M Monthly Electric Generator InventoryU.S. Energy Information Administration
Emissions & Generation Resource Integrated Database (eGRID)U.S. Environmental Protection Agency

Data for August 2026

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