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18 MW Hydro operating in Travis, TX — Electric Reliability Council of Texas, Inc.
18 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1940
Operating Since
Coordinates
30.2934, -97.7844
County
Travis, TX
Nearby Plants
| 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 | — | — |
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
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
Electric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Political Subdivision
Sector
Electric Utility
320 MWh
Latest Month
4.1K MWh
Annual Generation
2.6%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $41.3M
Point 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
Alt. Hub / Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
Last updated 2026-03-26
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