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: 20
EIA nameplate capacity: 568.8 MW
Largest: 108 MW

Hydroelectric capacity ranking

20 matching plants·ranked by nameplate capacity

Rank	Plant	Capacity	Type	Operator	Location
1	Marshall FordLower Colorado River Authority	108 MW	Conventional Hydroelectric	Lower Colorado River Authority	Travis County
2	DenisonUSCE-Tulsa District	104.3 MW	Conventional Hydroelectric	USCE-Tulsa District	Grayson County
3	Amistad Dam & PowerInternational Bound & Wtr Comm	66 MW	Conventional Hydroelectric	International Bound & Wtr Comm	Val Verde County
4	Buchanan Dam (TX)Lower Colorado River Authority	54.9 MW	Conventional Hydroelectric	Lower Colorado River Authority	Llano County
5	Granite ShoalsLower Colorado River Authority	54 MW	Conventional Hydroelectric	Lower Colorado River Authority	Burnet County
6	WhitneyUSACE-Fort Worth District	41.8 MW	Conventional Hydroelectric	USACE-Fort Worth District	Bosque County
7	Marble FallsLower Colorado River Authority	39.6 MW	Conventional Hydroelectric	Lower Colorado River Authority	Burnet County
8	Falcon Dam & PowerInternational Bound & Wtr Comm	31.5 MW	Conventional Hydroelectric	International Bound & Wtr Comm	Starr County
9	AustinLower Colorado River Authority	18 MW	Conventional Hydroelectric	Lower Colorado River Authority	Travis County
10	InksLower Colorado River Authority	15 MW	Conventional Hydroelectric	Lower Colorado River Authority	Burnet County
11	Eagle PassMaverick Cty Water Control & Improvement	9.6 MW	Conventional Hydroelectric	Maverick Cty Water Control & Improvement	Maverick County
12	CanyonGuadalupe Blanco River Authority	6 MW	Conventional Hydroelectric	Guadalupe Blanco River Authority	Comal County
13	Dunlap TP 1Guadalupe Blanco River Authority	3.6 MW	Conventional Hydroelectric	Guadalupe Blanco River Authority	Guadalupe County
14	Abbott TP 3Guadalupe Blanco River Authority	2.8 MW	Conventional Hydroelectric	Guadalupe Blanco River Authority	Guadalupe County
15	LewisvilleCity of Garland - (TX)	2.8 MW	Conventional Hydroelectric	City of Garland - (TX)	Denton County
16	H 4Guadalupe Blanco River Authority	2.4 MW	Conventional Hydroelectric	Guadalupe Blanco River Authority	Gonzales County
17	H 5Guadalupe Blanco River Authority	2.4 MW	Conventional Hydroelectric	Guadalupe Blanco River Authority	Gonzales County
18	NolteGuadalupe Blanco River Authority	2.4 MW	Conventional Hydroelectric	Guadalupe Blanco River Authority	Guadalupe County
19	TP 4Guadalupe Blanco River Authority	2.4 MW	Conventional Hydroelectric	Guadalupe Blanco River Authority	Guadalupe County
20	Arlington Outlet Hydroelectric GeneratorTarrant Regional Water District	1.3 MW	Conventional Hydroelectric	Tarrant Regional Water District	Tarrant County

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.