Explore the largest hydro power plants in Idaho and see all the utility-scale hydro projects in Idaho on a map.
Last updated: May 2026
On this page, you can explore our real-time database of hydro power plants in Idaho. Each month, we track hydro projects and update our list of the largest hydro power plants in Idaho.
As of May 2026, there are 76 utility-scale hydro power plants in Idaho, according to Cleanview's project tracker. Their total operating capacity is 2,696 MW.
Total Hydro Power Plants
76
Total Capacity
2,696 MW
Built in 2025
0
Map of hydro power plants in Idaho. Marker size reflects capacity — only facilities with reported capacity data are shown.
675 MW
Year Operational: March 1980
Location: Washington, Idaho
465 MW
Year Operational: September 1975
Location: Clearwater, Idaho
265 MW
Year Operational: August 1953
Location: Bonner, Idaho
176 MW
Year Operational: May 1958
Location: Bonneville, Idaho
101 MW
Year Operational: October 1988
Location: Ada, Idaho
92 MW
Year Operational: July 1978
Location: Power, Idaho
83 MW
Year Operational: March 1952
Location: Owyhee, Idaho
75 MW
Year Operational: March 1950
Location: Gooding, Idaho
60 MW
Year Operational: September 1949
Location: Gooding, Idaho
2 MW
Year Operational: April 2021
Location: Ada, Idaho
15 MW
Year Operational: September 2020
Location: Jerome, Idaho
1 MW
Year Operational: October 2016
Location: Gooding, Idaho
1 MW
Year Operational: October 2015
Location: Lincoln, Idaho
1 MW
Year Operational: June 2015
Location: Jerome, Idaho
4 MW
Year Operational: June 2014
Location: Fremont, Idaho
1 MW
Year Operational: April 2013
Location: Canyon, Idaho
15 MW
Year Operational: April 2010
Location: Elmore, Idaho
2 MW
Year Operational: June 2006
Location: Ada, Idaho
Cleanview