 On the flip side, Potomac Edison has increased mostly with inflation, Lapp said. So did Washington Gas. Though BGE Gas has tripled in cost since 2010, Lapp says the numbers show. We need to recognize that they are private companies with investors to please, and that requires effective regulation. He also calls on infrastructure repair costs that are passed on to customers to be reexamined. Mike Murillo, WTOP News. WTOP has reached out to PEPCO for comment.