Largest hydroelectric power plants in ERCOT

Conventional and pumped-storage hydroelectric plants ranked by EIA-reported nameplate capacity. Rankings use EIA-anchored plant records in ERCOT.

Plants
21
Ranked operating records
EIA nameplate capacity
601.1 MW
Sum across this peer set
Largest
108 MW
Marshall Ford

Capacity ranking

21 plants
RankPlantCapacity
1Marshall FordLower Colorado River Authority108 MW
2DenisonUSCE-Tulsa District100 MW
3Amistad Dam & PowerInternational Bound & Wtr Comm58 MW
4Buchanan Dam (TX)Lower Colorado River Authority54.9 MW
5Granite ShoalsLower Colorado River Authority54 MW
6Sam Rayburn DamUSACE-Fort Worth District52 MW
7WhitneyUSACE-Fort Worth District42 MW
8Marble FallsLower Colorado River Authority39.6 MW
9Falcon Dam & PowerInternational Bound & Wtr Comm30.5 MW
10AustinLower Colorado River Authority17 MW
11InksLower Colorado River Authority13.8 MW
12CanyonGuadalupe Blanco River Authority6 MW
13Eagle PassMaverick Cty Water Control & Improvement6 MW
14Dunlap TP 1Guadalupe Blanco River Authority3.6 MW
15Abbott TP 3Guadalupe Blanco River Authority2.8 MW
16H 4Guadalupe Blanco River Authority2.4 MW
17H 5Guadalupe Blanco River Authority2.4 MW
18NolteGuadalupe Blanco River Authority2.4 MW
19TP 4Guadalupe Blanco River Authority2.4 MW
20LewisvilleCity of Garland - (TX)2 MW
21Arlington Outlet Hydroelectric GeneratorTarrant Regional Water District1.3 MW

Capacity is EIA-reported nameplate capacity, not seasonal capability or available operating capacity. A plant can include multiple generators and technologies; hybrid plants may appear in multiple peer groups.