PECO serves 1.6 million electric and 485,000 natural gas customers; it is the largest combination utility in Pennsylvania, and has a franchise utility service area of 2,100 square miles with a population of 3.8 million people.
PECO serves 1.6 million electric. PECO serves 485,000 natural gas customers. It is the largest combination utility in Pennsylvania. It has a franchise utility service area of 2,100 square miles with a population of 3.8 million people.