In Denton County, Texas (TX). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.

1 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.

EIA-860M names Walmart Stores Texas, LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.

Is this the same as WAL3777 LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Walmart Stores Texas, LLC here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "WAL3777 LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is WAL3777 still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

WAL3777

WAL3777 is a 1 MW oil-fired power plant in Denton County, Texas, operated by Walmart Stores Texas, LLC. EIA-860M lists 1 generating unit here, inside ERCOT. Its unit entered service in 2020.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity: 1.3 MW; 1.3 MW net summer
Generating units: 1
In service: 2020
EIA plant ID: 64938

Where it is

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County: Denton County, Texas
Coordinates: 33.1797, -96.884
Balancing authority: ERCO
Sector: Commercial Non-CHP

Units, technology and status

Operator of record: Walmart Stores Texas, LLC
Primary energy source: Petroleum
Technologies: Petroleum Liquids
Status: Operating

Every plant Walmart Stores Texas, LLC reports to EIA →

WAL3777: FAQ

Where is WAL3777?: In Denton County, Texas (TX). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is WAL3777?: 1 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns WAL3777?: EIA-860M names Walmart Stores Texas, LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as WAL3777 LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Walmart Stores Texas, LLC here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "WAL3777 LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is WAL3777 still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.