| Pepco Holdings, Inc. (PHI) is a diversified energy company. The Company through its operating subsidiaries, is engaged primarily in two businesses: The distribution, transmission and default supply of electricity and the delivery and supply of natural gas (Power Delivery), conducted through Potomac Electric Power Company (Pepco), Delmarva Power & Light Company (DPL) and Atlantic City Electric Company (ACE), and competitive energy generation, marketing and supply (Competitive Energy) conducted through subsidiaries of Conectiv Energy Holding Company (collectively Conectiv Energy) and Pepco Energy Services, Inc. and its subsidiaries (collectively Pepco Energy Services). PHI Service Company, a subsidiary service company of PHI, provides a variety of support services, including legal, accounting, treasury, tax, purchasing and information technology services to PHI and its operating subsidiaries. |