Explore the largest hydro power plants in Hawaii and see all the utility-scale hydro projects in Hawaii on a map.
Last updated: May 2026
On this page, you can explore our real-time database of hydro power plants in Hawaii. Each month, we track hydro projects and update our list of the largest hydro power plants in Hawaii.
As of May 2026, there are 8 utility-scale hydro power plants in Hawaii, according to Cleanview's project tracker. Their total operating capacity is 34 MW.
Total Hydro Power Plants
8
Total Capacity
34 MW
Built in 2025
0
Map of hydro power plants in Hawaii. Marker size reflects capacity — only facilities with reported capacity data are shown.
10 MW
Year Operational: May 1993
Location: Hawaii, Hawaii
8 MW
Year Operational: January 2019
Location: Kauai, Hawaii
5 MW
Year Operational: January 1925
Location: Maui, Hawaii
4 MW
Year Operational: January 1910
Location: Kauai, Hawaii
3 MW
Year Operational: October 2005
Location: Hawaii, Hawaii
2 MW
Year Operational: September 2016
Location: Kauai, Hawaii
1 MW
Year Operational: January 1912
Location: Maui, Hawaii
1 MW
Year Operational: December 1928
Location: Hawaii, Hawaii
8 MW
Year Operational: January 2019
Location: Kauai, Hawaii
2 MW
Year Operational: September 2016
Location: Kauai, Hawaii
3 MW
Year Operational: October 2005
Location: Hawaii, Hawaii
10 MW
Year Operational: May 1993
Location: Hawaii, Hawaii
1 MW
Year Operational: December 1928
Location: Hawaii, Hawaii
5 MW
Year Operational: January 1925
Location: Maui, Hawaii
1 MW
Year Operational: January 1912
Location: Maui, Hawaii
4 MW
Year Operational: January 1910
Location: Kauai, Hawaii
Cleanview