>This is because to renew the operating licence for these dams, its ratepayers would have to foot an approximately $400m (£308m) bill for upgrades to ensure com

>This is because to renew the operating licence for these dams, its ratepayers would have to foot an approximately $400m (£308m) bill for upgrades to ensure compliance with legislation (including the installation of costly fish ladders at each dam that would enable migration). Upgrading the dams cost $400m. >Overall, little will be lost in terms of renewable energy generation: the dams represent less than 8% of PacfiCorp’s 2,208 MW current renewable generation capacity, [1] indicates that you are correct and 7 dams produce 169 MW. so indeed these dams produce a relatively small amount of electricity. 1: https://en.wikipedia.org/wiki/Klamath_River_Hydroelectric_Project https://en.wikipedia.org/wiki/Klamath_River_Hydroelectric_Pr...