Explore the largest hydro power plants in MISO and see all the utility-scale hydro projects in MISO on a map.
Last updated: May 2026
On this page, you can explore our real-time database of hydro power plants in MISO. Each month, we track hydro projects and update our list of the largest hydro power plants in MISO.
As of May 2026, there are 169 utility-scale hydro power plants in MISO, according to Cleanview's project tracker. Their total operating capacity is 4,895 MW.
Total Hydro Power Plants
169
Total Capacity
4,895 MW
Built in 2025
0
Map of hydro power plants in MISO. Marker size reflects capacity — only facilities with reported capacity data are shown.
1,979 MW
Year Operational: October 1973
Location: Mason, Michigan
408 MW
Year Operational: December 1963
Location: Reynolds, Missouri
208 MW
Year Operational: October 1953
Location: Miller, Missouri
192 MW
Year Operational: August 1990
Location: Concordia, Louisiana
125 MW
Year Operational: August 1913
Location: Lee, Iowa
103 MW
Year Operational: October 1999
Location: Desha, Arkansas
88 MW
Year Operational: June 2016
Location: Hancock, Kentucky
81 MW
Year Operational: February 1969
Location: Newton, Texas
78 MW
Year Operational: April 1967
Location: Switzerland, Indiana
55 MW
Year Operational: June 2021
Location: Marion, Iowa
27 MW
Year Operational: July 2020
Location: Polk, Texas
76 MW
Year Operational: August 2017
Location: Livingston, Kentucky
9 MW
Year Operational: July 2016
Location: Florence, Wisconsin
88 MW
Year Operational: June 2016
Location: Hancock, Kentucky
8 MW
Year Operational: January 2014
Location: Outagamie, Wisconsin
1 MW
Year Operational: October 2013
Location: Redwood, Minnesota
10 MW
Year Operational: December 2011
Location: Hennepin, Minnesota
2 MW
Year Operational: October 2005
Location: Alpena, Michigan
Cleanview