Box Canyon Dam (Washington)
Box Canyon Dam is a gravity-type hydroelectric dam on the Pend Oreille River, in northeastern Washington state in the United States. It has a capacity of 90 MW and an average expected production of 60 MW. The reservoir extends . The dam is wide and high at the top of the gates. The maximum head of water is . It produces power using four Kaplan turbines. An upgrade completed in 2015 brought the dam's rated capacity up to 90 MW from the original 69 MW.