Robert Mueller Energy Center

🔥 Natural GasElectric Utility6 MW capacity

741st largest plant in Texas · 6661st nationally

Robert Mueller Energy Center is a natural gas power plant in Texas with a nameplate capacity of 6.1 MW. It generates roughly 22.7k MWh per year — enough to power about 2,166 average U.S. homes.

Its capacity factor of 43% puts it in the middle range — running steadily but not full-time. At 1094 lb CO₂/MWh, its emission rate sits above the national grid average of roughly 800 lb/MWh.

PeakingMid-meritBaseload0%40%80%100%43%
Mid-merit — steady but not full-time
Capacity6 MWnameplate
Annual Generation22.7k MWhEPA eGRID
Capacity Factor43%of theoretical max
Annual CO₂12.4kmetric tons

Location

Plant NameRobert Mueller Energy Center
OperatorAustin Energy
CityAustin
CountyTravis County
StateTexas
ZIP78723
Coordinates30.30499, -97.70767

This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.

Natural GasHydroelectricSolarBiomassBattery Storage

Generators (2)

IDTechnologyFuelCapacityStatusOnline
CT1Natural Gas Fired Combustion TurbineNatural Gas4.6 MWOperating2006
DG1Petroleum LiquidsDistillate Oil1.5 MWStandby2006

Emissions (annual)

CO₂12.4k metric tons
NOₓ34 metric tons
CO₂ Rate1094 lb/MWh
U.S. grid average800 lb/MWhNatural gas combined-cycle average900 lb/MWhThis plant1,093 lb/MWhCoal plant average2,100 lb/MWh

Annual totals and CO₂ rate reported by EPA eGRID for 2023. Reference averages are approximate U.S.-wide figures from the same dataset.

Grid context

NERC RegionTRE
Balancing AuthorityElectric Reliability Council Of Texas, Inc.

About Natural Gas plants

Natural gas plants are the workhorse of the modern grid. Combined-cycle units achieve very high efficiency and can ramp up and down quickly to balance variable renewables. They emit roughly half the CO₂ per MWh of coal and far less of other pollutants, but they still release upstream methane during fuel extraction.

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