Austin — Plant Summary
- EIA Plant ID
- 3594
- Capacity
- 18 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Travis, TX
- Operating Since
- 1940
- Generators
- 2
- Operator
- Lower Colorado River Authority
- Parent Company
- Lower Colorado River Authority
- Annual Generation
- 4,092 MWh
- Capacity Factor
- 2.6%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Austin
OperatingHydro
Ranked #12 of 24 Hydro plants in TX#498 of 1454 nationally
18 MW Hydro operating in Travis, TX — Electric Reliability Council of Texas, Inc.
EIAWD
18 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1940
Operating Since
Location
Coordinates
30.2934, -97.7844
County
Travis, TX
Nearby Plants
- Hal C Weaver Power PlantNatural Gas152.5 MW · 4.8 km
- Robert Mueller Energy CenterDistillate Oil6.1 MW · 7.5 km
- Kingsberry Energy Storage SystemBESS1.5 MW · 9.7 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Lower Colorado River Authority | Lower Colorado River Authority | — |
| Owner(s) | Lower Colorado River Authority | Lower Colorado River Authority | — |
| Status | Operating | — | — |
Ownership Chain
About
Tom Miller Dam is a dam located on the Colorado River within the city limits of Austin, Texas, United States. The City of Austin, aided by funds from the Public Works Administration, constructed the dam for the purpose of flood control and for generating hydroelectric power. Named after Robert Thomas Miller, a former Mayor of Austin, the dam forms Lake Austin, one of the Texas Highland Lakes.
Read more on WikipediaThe Austin power plant, identified by plant ID 3594, is a hydroelectric facility located in Travis County, Texas. It is owned and operated by the Lower Colorado River Authority. The plant began operating in 1940 and has a total capacity of 18 MW, distributed across two generators. Its primary fuel source is water (WAT), utilizing conventional hydroelectric technology.
In the most recent year for which data is available, the Austin plant generated 4,092 MWh of electricity, resulting in a capacity factor of 2.6%. The plant operates within the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority and the TRE NERC region. The Austin plant is ranked as the 12th largest hydroelectric plant out of 24 in Texas, and 507th out of 1464 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
138 kV
Regulatory Status
RE
Entity Type
Political Subdivision
Sector
Electric Utility
Generation
320 MWh
Latest Month
4.1K MWh
Annual Generation
2.6%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Austin Dam Substation · 138 kV
Substation Distance
0 km
Operator
Austin Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
AUSTPL_ALL
Pricing Hub
HB_SOUTH
Secondary Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
News & Articles (10)Beta
Last updated 2026-03-26
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