Pepco Energy Services is now Constellation | Constellation
Where Pepco Holding, Inc. (PHI) was the parent company to Pepco Energy Services (PES), upon close, Constellation NewEnergy, Inc., a subsidiary of Exelon Corporation, will become the parent company to PES. Certain subsidiaries of PES will continue under the Pepco Energy Services name. However, the Energy Services Company (ESCO) of