The figure below (Figure 6 from the new study) shows the monthly anomalies in state hydropower generation in wet and dry years, and the severe cuts over the past three years. (californiadrought.org)
High levels of hydropower generation in the Pacific Northwest led the electric system operator, the Bonneville Power Administration (BPA), to curtail wind generation during some recent periods of low electricity demand. (eia.gov)
In addition, the river is used for hydropower generation in Pakistan and India. (chimalaya.org)