An overworked transformer and PJM operators’ efforts to limit prices were the focus last week as PJM continued to discuss the mid-July heat wave.

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

The Pennsylvania Public Utility Commission approved the energy-efficiency plans for PPL Electric Utilities Corp., Duquesne Light Co. and FirstEnergy’s affili...