Timmerman Power Plant

Timmerman Power Plant is a 368 MW natural gas power plant in Caldwell County, Texas, operated by Lower Colorado River Authority. EIA-860M lists 20 generating units here, inside ERCOT. Its units entered service between 2025 and 2026.

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
368 MW
366 MW net summer
Generating units
20
In service
2025–2026
EIA plant ID
66335

Where it is

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County
Caldwell County, Texas
Coordinates
29.875, -97.807
Balancing authority
ERCO
Sector
Electric Utility

Units, technology and status

Operator of record
Lower Colorado River Authority
Primary energy source
Natural gas
Technologies
Natural Gas Internal Combustion Engine
Status
Operating

Every plant Lower Colorado River Authority reports to EIA →

Timmerman Power Plant: FAQ

Where is Timmerman Power Plant?
In Caldwell 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 Timmerman Power Plant?
368 MW of nameplate capacity across 20 units, as of the EIA-860M release for 2026-07.
Who owns Timmerman Power Plant?
EIA-860M names Lower Colorado River Authority 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 Timmerman Power Plant LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Lower Colorado River Authority 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 "Timmerman Power Plant LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Timmerman Power Plant still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.