Some local Bangor Hydro customers can expect an interruption in their service Thursday.Some of the towns affected include, Orono, Glenburn and Bangor.The interruption will take place from 9 a.m. until 10 a.m.And is necessary to make some upgrades to the electrical service.The areas affected include:Essex Street from the Burleigh Rd. to Gould Landing. The Orono Rd. from Glenburn and Orono town line to the Villa Vaughn Road.Including the Chestnut Trail, Fox Hollow, White Trail, Trillian Trail, Church Rd, Skyline Dr., Walden Parkway, Partridge Ln., Carol Court, Orono Rd., Gould Rd., Hemlock Point, Elliots Landing, Merrit Dr., Perk-O-Rock Rd., Orono Landing Rd., Lane Rd. and Villa Vaughn Rd.