Utility says 14 townships, two boroughs will see crews PECO wants residents in areas of Chester County  to know that it is working to keep them out of the dark. Pruning and selective tree removal is being performed in Caln, East Caln, East Bradford, East Brandywine, East Marlborough, London Grove, New Garden, Newlin, Pocopson, Upper … Continue reading PECO: Working to keep residents out of dark