How many hydro power plants are in Arkansas?

Arkansas has 19 operating utility-scale hydro power plants with 1.4 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest hydro power plant in Arkansas?

Bull Shoals in Marion County, Arkansas is the largest, at 340 MW. It came online in 1963.

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

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

Who is developing hydro power plants in Arkansas?

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 Arkansas

Arkansas has 19 operating hydro power plants with 1.4 GW of capacity.

Operating19

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

Arkansas had 19 hydro power plants online in 2016 and 19 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 Arkansas

Operating, by capacity

#	Hydro power plant	County	Year online	Capacity
1	Bull Shoals	Marion County	1963	340 MW
2	Dardanelle	Pope County	1966	161 MW
3	Beaver Dam (AR)	Carroll County	1965	112 MW
4	Dam 2	Desha County	1999	103 MW
5	Ozark	Franklin County	1974	100 MW
6	Greers Ferry Lake	Cleburne County	1964	96 MW
7	Norfork	Baxter County	1950	80 MW
8	Blakely Mountain	Garland County	1955	75 MW
9	Degray	Clark County	1972	70 MW
10	Carpenter	Garland County	1932	56 MW

Hydro power plants that came online most recently in Arkansas

Newest first

#	Hydro power plant	County	Year online	Capacity
1	White River Lock and Dam 1	Independence County	2007	4 MW
2	White River Lock and Dam 2	Independence County	2007	4 MW
3	White River Lock and Dam 3	Stone County	2006	4 MW
4	Dam 2	Desha County	1999	103 MW
5	Whillock	Conway County	1993	32 MW
6	Lee Creek Water Treatment Facility	Crawford County	1992	1 MW
7	Ellis Hydro	Crawford County	1988	32 MW
8	Murray	Pulaski County	1988	45 MW
9	Ozark	Franklin County	1974	100 MW
10	Degray	Clark County	1972	70 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 Arkansas

How many hydro power plants are in Arkansas?: Arkansas has 19 operating utility-scale hydro power plants with 1.4 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest hydro power plant in Arkansas?: Bull Shoals in Marion County, Arkansas is the largest, at 340 MW. It came online in 1963.
How many hydro power plants were built in Arkansas in 2025?: 0 hydro power plants came online in Arkansas in 2025, with 0 MW of capacity.
Who is developing hydro power plants in Arkansas?: 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.