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66 MW Hydro operating in Val Verde, TX
Plant location falls outside the published BA/NERC/RC polygon coverage (coastal or border edge case).
66 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1983
Operating Since
Coordinates
29.4498, -101.0601
County
Val Verde, TX
Nearby Plants
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | International Bound & Wtr Comm | International Bound & Wtr Comm | — |
| Owner(s) | International Bound & Wtr Comm | International Bound & Wtr Comm | — |
| Status | Operating | operating | — |
GEM identifies the owner as International Bound & Wtr Comm
This entity is not yet in the GEM ownership database — chain unavailable.
Amistad Dam is a major embankment dam across the Rio Grande between Texas, United States, and Coahuila, Mexico. Built to provide irrigation water storage, flood control, and hydropower generation, it is the largest dam along the international boundary reach of the Rio Grande. The dam is over 6 miles (9.7 km) long, lies mostly on the Mexican side of the border, and forms Amistad Reservoir. It supplies water for irrigation in the Rio Grande Valley, 574 miles (924 km) upstream of the Rio Grande's mouth on the Gulf of Mexico at Brownsville, Texas/Matamoros, Tamaulipas.
Read more on WikipediaAmistad Dam & Power is a 66 MW hydroelectric power plant located in Val Verde County, Texas. The plant began operating in 1983 and is owned and operated by the International Boundary and Water Commission. It utilizes two conventional hydroelectric generators, with water as its primary fuel source. The plant is connected to the Electric Reliability Council of Texas (ERCOT) grid and falls within the TRE NERC region.
In the most recent year with available data, Amistad Dam & Power generated 50,580 MWh of electricity, resulting in a capacity factor of 8.8%. The plant is the fourth-largest hydroelectric facility in Texas out of 24, and ranks 262nd nationally among 1,464 hydroelectric plants. News coverage related to the plant has included hazards, grid issues, and regulatory matters.
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
Federal
Sector
Electric Utility
2.8K MWh
Latest Month
50.6K MWh
Annual Generation
8.8%
Capacity Factor
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Request a demo →2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $151.4M
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Request a demo →Market Position
ISO/RTO Market
ERCOT
LMP Node
AMISTAD_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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