An unplanned power outage left 2,790 customers without electricity Tuesday afternoon in the Fort Washington area of north Fresno, according to Pacific Gas & Electric Co. PG&E reported the outage at 4:16 p.m. PDT. The outage affected several neighborhoods around the Fort Washington Golf and Country Club area, according to PG&E’s outage map. PG&E had not provided an estimated restoration time and has not indicated that repairs are being made at th…