Hydropower decline adds strain to power grids in droughtBy MICHAEL PHILLIS (Associated Press)ST. LOUIS Oct. 10, 2021 4:53 p.m.U.S. hydropower generation is forecast to drop 14% this year compared with 2020 as drought grips vast areas of the West📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up