DC regulators reject merger between Delmarva Power parent and Exelon.

The Public Service Commission for the District of Columbia has rejected the merger of Delmarva Power owner Pepco Holdings and Chicago-based Exelon.

The utilities had previously gained approval from regulators in Maryland, Delaware and New Jersey for the merger that includes Atlantic City Electric and Pepco, which serves Washington, D.C. and Maryland suburbs.

Exelon) and Pepco Holdings Inc. Tuesday issued the following statement in response to the Public Service Commission of the District of Columbia’s decision on the companies’ proposed merger.

More