Hidalgo Energy Center

Hidalgo Energy Center is a 551 MW natural gas power plant in Hidalgo County, Texas, operated by Calpine Corp - Hidalgo. EIA-860M lists 3 generating units here, inside ERCOT. Its units entered service in 2000.

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
551.3 MW
495 MW net summer
Generating units
3
In service
2000
EIA plant ID
55545

Where it is

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County
Hidalgo County, Texas
Coordinates
26.3417, -98.1758
Balancing authority
ERCO
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Calpine Corp - Hidalgo
Primary energy source
Natural gas
Technologies
Natural Gas Fired Combined Cycle
Status
Operating

Every plant Calpine Corp - Hidalgo reports to EIA →

Hidalgo Energy Center: FAQ

Where is Hidalgo Energy Center?
In Hidalgo 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 Hidalgo Energy Center?
551 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Hidalgo Energy Center?
EIA-860M names Calpine Corp - Hidalgo 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 Hidalgo Energy Center LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Calpine Corp - Hidalgo 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 "Hidalgo Energy Center LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Hidalgo Energy Center still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.