Baltimore Gas and Electric Co. and Potomac Electric Power Co. have run into a speed bump as they look to change their formulas for calculating electricity transmission rates.
The utilities proposed changes to their ratemaking formulas in May as part of a planned consolidation of their transmission control centers. BGE and Pepco, both subsidiaries of Chicago-based Exelon, currently operate their own control centers and could save millions of dollars by consolidating.
Part of the rate calculation…