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108 MW Hydro operating in Travis, TX — Electric Reliability Council of Texas, Inc.
108 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1941
Operating Since
Coordinates
30.3899, -97.9073
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 | operating | — |
Mansfield Dam is a dam located across a canyon at Marshall Ford on the Colorado River, 13 miles (21 km) northwest of Austin, Texas, United States. The groundbreaking ceremony occurred on February 19, 1937, with United States Secretary of the Interior Harold L. Ickes attending. The dam was a joint project by the Lower Colorado River Authority (LCRA) and the United States Bureau of Reclamation, with partial funding provided by the Public Works Administration. Brown and Root, headed by James E. Walters, Sr., was the prime contractor. The dam was completed in 1941. Originally called Marshall Ford Dam, the name was changed in 1941 in honor of United States Representative J.J. Mansfield. The reservoir behind Mansfield Dam is named Lake Travis. The dam is owned and operated by the LCRA.
Read more on WikipediaThe Marshall Ford power plant is a 108 MW hydroelectric facility located in Travis County, Texas. It began operating in 1941 and is owned and operated by the Lower Colorado River Authority. The plant utilizes conventional hydroelectric technology and consists of three generators. It is interconnected to the Electric Reliability Council of Texas (ERCOT) grid and falls within the TRE NERC region.
In the most recent year with available data, Marshall Ford generated 23,988 MWh of electricity, resulting in a capacity factor of 2.5%. The plant's primary fuel source is water (WAT). Marshall Ford is ranked as the second-largest hydroelectric plant in Texas and 174th-largest in the United States.
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
1.8K MWh
Latest Month
24.0K MWh
Annual Generation
2.5%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $247.8M
Point of Interconnection
Nearest Substation
Marshall Ford Lower Switchyard · 138 kV
Substation Distance
0 km
Operator
Lower Colorado River Authority
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
MAR_MARSFOG1
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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