Pepco Holdings Inc. Chairman and CEO Joseph Rigby announced yesterday he will step down as chief executive this year after a turbulent tenure marked by criticism over the company’s reliability.

New Jersey regulators approved a $25.5 million annual increase in Atlantic City Electric’s rate base case and recovery of $70 million costs for recovery following the June 2012 Derecho and Hurricane Sandy in October 2012.

Two-thirds of PJM’s transmission owners have failed to file FERC-approved tariffs disclosing the methodology they use to calculate customer rates ...