The United States Court of Appeals for the Sixth Circuit has reversed a decision by the Federal Energy Regulatory Commission (FERC) that permitted FirstEnergy to collect millions of dollars through a special surcharge on consumers’ bills. The court also affirmed FERC’s decision to revoke such a fee, known as an “adder.” that American Electric Power (AEP) had in place. While the court outright agreed with FERC’s decision to revoke the AEP charge, called a regional transmission organization (RTO) adder, it said it will send its ruling to reverse FERC’s decision on FirstEnergy’s RTO adder back to the commission “for…..