Explore the largest hydro power plants in Oregon and see all the utility-scale hydro projects in Oregon on a map.
Last updated: May 2026
On this page, you can explore our real-time database of hydro power plants in Oregon. Each month, we track hydro projects and update our list of the largest hydro power plants in Oregon.
As of May 2026, there are 63 utility-scale hydro power plants in Oregon, according to Cleanview's project tracker. Their total operating capacity is 8,360 MW.
Total Hydro Power Plants
63
Total Capacity
8,360 MW
Built in 2025
0
Map of hydro power plants in Oregon. Marker size reflects capacity — only facilities with reported capacity data are shown.
2,160 MW
Year Operational: December 1971
Location: Sherman, Oregon
1,820 MW
Year Operational: December 1973
Location: Wasco, Oregon
1,162 MW
Year Operational: October 1982
Location: Multnomah, Oregon
991 MW
Year Operational: March 1957
Location: Umatilla, Oregon
411 MW
Year Operational: December 1967
Location: Wallowa, Oregon
373 MW
Year Operational: November 1964
Location: Jefferson, Oregon
190 MW
Year Operational: November 1961
Location: Baker, Oregon
120 MW
Year Operational: May 1955
Location: Lane, Oregon
114 MW
Year Operational: August 1963
Location: Linn, Oregon
37 MW
Year Operational: January 2023
Location: Clackamas, Oregon
1 MW
Year Operational: December 2018
Location: Clackamas, Oregon
3 MW
Year Operational: September 2015
Location: Hood River, Oregon
3 MW
Year Operational: May 2015
Location: Jefferson, Oregon
8 MW
Year Operational: June 2014
Location: Lane, Oregon
1 MW
Year Operational: May 2012
Location: Klamath, Oregon
5 MW
Year Operational: October 2010
Location: Deschutes, Oregon
12 MW
Year Operational: January 1994
Location: Clackamas, Oregon
9 MW
Year Operational: June 1993
Location: Malheur, Oregon