Where is Rio Nogales Power Project?

In Guadalupe 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 Rio Nogales Power Project?

1 GW of nameplate capacity across 4 units, as of the EIA-860M release for 2026-07.

Who owns Rio Nogales Power Project?

EIA-860M names City of San Antonio - (TX) 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 Rio Nogales Power Project LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — City of San Antonio - (TX) 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 "Rio Nogales Power Project LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Rio Nogales Power Project still running?

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

Rio Nogales Power Project

Rio Nogales Power Project is a 1 GW natural gas power plant in Guadalupe County, Texas, operated by City of San Antonio - (TX). EIA-860M lists 4 generating units here, inside ERCOT. Its units entered service in 2002.

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: 1,108 MW; 799.5 MW net summer
Generating units: 4
In service: 2002
EIA plant ID: 55137

Where it is

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County: Guadalupe County, Texas
Coordinates: 29.5931, -97.9732
Balancing authority: ERCO
Sector: Electric Utility

Units, technology and status

Operator of record: City of San Antonio - (TX)
Primary energy source: Natural gas
Technologies: Natural Gas Fired Combined Cycle
Status: Operating

Every plant City of San Antonio - (TX) reports to EIA →

Rio Nogales Power Project: FAQ

Where is Rio Nogales Power Project?: In Guadalupe 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 Rio Nogales Power Project?: 1 GW of nameplate capacity across 4 units, as of the EIA-860M release for 2026-07.
Who owns Rio Nogales Power Project?: EIA-860M names City of San Antonio - (TX) 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 Rio Nogales Power Project LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — City of San Antonio - (TX) 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 "Rio Nogales Power Project LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Rio Nogales Power Project still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.