Johnson County

Johnson County is a 283 MW natural gas power plant in Johnson County, Texas, operated by Johnson County Power LLC. EIA-860M lists 2 generating units here, inside ERCOT. Its units entered service in 1996.

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
282.6 MW
278 MW net summer
Generating units
2
In service
1996
EIA plant ID
54817

Where it is

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County
Johnson County, Texas
Coordinates
32.3994, -97.4078
Balancing authority
ERCO
Sector
Electric Utility

Units, technology and status

Operator of record
Johnson County Power LLC
Primary energy source
Natural gas
Technologies
Natural Gas Fired Combined Cycle
Status
Operating

Every plant Johnson County Power LLC reports to EIA →

Johnson County: FAQ

Where is Johnson County?
In Johnson 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 Johnson County?
283 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Johnson County?
EIA-860M names Johnson County Power 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 Johnson County LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Johnson County Power 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 "Johnson County LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Johnson County still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.