A Central Maine Power employee works Wednesday morning on a downed utility pole on Spring Street in Lewiston. A tractor-trailer backed into it, knocking out electrical service to hundreds of residents and businesses in the area. Russ Dillingham/Sun Journal

The driver of the tractor-trailer at right talks Wednesday morning with Lewiston Police Officer Eugene Kavanagh after the rig hit a utility pole and snapped it in half on Spring Street in Lewiston. Hundreds of residents and businesses in the area were without power. Russ Dillingham/Sun Journal

A transformer lies on the ground Wednesday morning after a tractor-trailer backed into the utility pole on Spring Street in Lewiston. Power was knocked out to hundreds of homes and businesses in the area while utility workers replaced the pole and transformer. Russ Dillingham/Sun Journal