The Federal Energy Regulatory Commission on April 18 approved a rule establishing voluntary ­processes for expedited licensing of hydroelectric facilities at ­nonpowered dams and closed-loop pumped storage projects.

The enactment of the Washington Clean Energy Transformation Act on May 7 expanded hydropower’s role in addressing the decarbonization of the state’s power supply, by letting it directly count toward the act’s 2030 carbon-neutral and 2045 carbon-free mandates.

The newly reconstructed main spillway of Oroville Dam was opened April 2, returning it to normal ­operation for the first time since February 2017, when record winter rains in California increased the reservoir level to its full 901-foot capacity and severely damaged it and the ­emergency sp…

The U.S. Army Corps of Engineers is ­reviewing public comment submitted on its plan to build a ­downstream fish-passage facility at Cougar Dam in the upper Willamette River basin, about 42 miles east of Eugene, Ore.

Bids are due March 26 for Chelan County PUD’s latest auction of up to 5 percent of the output from its Rocky Reach and Rock Island hydroelectric projects, for either a 2.5-percent slice or for the entire 5-percent slice.

The Federal Energy Regulatory Commission on Nov. 13 adopted a schedule for implementing hydropower licensing reforms included in water-infrastructure legislation President Donald Trump signed into law Oct. 23 (WPW No. 13 [10]), and opened three dockets to address the mandate.