Power was knocked out for thousands of customers between Kingston and Prince Edward County. Almost 13,000 Hydro One customers were left in the dark Friday night due to downed power lines and clown transformer. Article contentPhoto by Bill Hall / The Kingston Whig-StandardThe downed lines near the intersection of Midland Avenue and Princess Street occurred shortly after 7 p.m. An electrical arc between the lines caused a transformer to blow. According to Hydro One, the power outage affected customers from Kingston west into Prince Edward County. Residents living in the area wrote on social media about hearing a loud boom just before the power was cut.