Robert Mueller Energy Center

Robert Mueller Energy Center is a 6 MW natural gas power plant in Travis County, Texas, operated by Austin Energy. EIA-860M lists 2 generating units here, inside ERCOT. Its units entered service in 2006.

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
6.1 MW
5.2 MW net summer
Generating units
2
In service
2006
EIA plant ID
56374

Where it is

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County
Travis County, Texas
Coordinates
30.305, -97.7077
Balancing authority
ERCO
Sector
Electric Utility

Units, technology and status

Operator of record
Austin Energy
Primary energy source
Natural gas
Technologies
Natural Gas Fired Combustion Turbine, Petroleum Liquids
Status
Operating (1) · Standby/Backup (1)

This site runs on more than one energy source. EIA-860M capacity splits: Natural gas 5 MW, Petroleum 2 MW. It is filed here under Natural gas, the source with the most capacity.

Every plant Austin Energy reports to EIA →

Robert Mueller Energy Center: FAQ

Where is Robert Mueller Energy Center?
In Travis 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 Robert Mueller Energy Center?
6 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Robert Mueller Energy Center?
EIA-860M names Austin Energy 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 Robert Mueller Energy Center LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Austin Energy 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 "Robert Mueller 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 Robert Mueller Energy Center still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.