How many hydro power plants are in Alabama?

Alabama has 23 operating utility-scale hydro power plants with 3.3 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest hydro power plant in Alabama?

Wilson Dam in Lauderdale County, Alabama is the largest, at 667 MW. It came online in 1962.

How many hydro power plants were built in Alabama in 2025?

0 hydro power plants came online in Alabama in 2025, with 0 MW of capacity.

Who is developing hydro power plants in Alabama?

Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.

Hydro power plants in Alabama

Alabama has 23 operating hydro power plants with 3.3 GW of capacity.

Operating23

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

Alabama had 23 hydro power plants online in 2016 and 23 in 2026

2016’162017’172018’182019’192020’202021’212022’222023’232024’242025’252026’26

Hydro power plants online at the end of each year. Source: EIA-860M, compiled by Cleanview.

The 10 largest hydro power plants in Alabama

Operating, by capacity

#	Hydro power plant	County	Year online	Capacity
1	Wilson Dam	Lauderdale County	1962	667 MW
2	Wheeler Dam	Lawrence County	1963	404 MW
3	Walter Bouldin Dam	Elmore County	1967	225 MW
4	Martin Dam	Elmore County	1952	211 MW
5	Lewis Smith Dam	Walker County	1962	181 MW
6	Lay Dam	Chilton County	1968	177 MW
7	Bartletts Ferry	Lee County	1985	173 MW
8	Mitchell Dam	Coosa County	1985	170 MW
9	Harris Dam	Randolph County	1983	135 MW
10	Logan Martin Dam	Talladega County	1964	128 MW

Hydro power plants that came online most recently in Alabama

Newest first

#	Hydro power plant	County	Year online	Capacity
1	Goat Rock	Lee County	2005	39 MW
2	Bartletts Ferry	Lee County	1985	173 MW
3	Mitchell Dam	Coosa County	1985	170 MW
4	Gantt	Covington County	1985	3 MW
5	Harris Dam	Randolph County	1983	135 MW
6	Jones Bluff	Autauga County	1975	82 MW
7	Millers Ferry	Wilcox County	1970	101 MW
8	Holt Dam	Tuscaloosa County	1968	47 MW
9	Lay Dam	Chilton County	1968	177 MW
10	Walter Bouldin Dam	Elmore County	1967	225 MW

The developer behind each project is on paid plans. See plans

How Cleanview tracks hydro power plants

Operating hydro power plants come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.

Questions about hydro power plants in Alabama

How many hydro power plants are in Alabama?: Alabama has 23 operating utility-scale hydro power plants with 3.3 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest hydro power plant in Alabama?: Wilson Dam in Lauderdale County, Alabama is the largest, at 667 MW. It came online in 1962.
How many hydro power plants were built in Alabama in 2025?: 0 hydro power plants came online in Alabama in 2025, with 0 MW of capacity.
Who is developing hydro power plants in Alabama?: Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.