News briefs on companies doing business with RTOs. This week we include Ameren, NextEra, Xcel, Calpine, Exelon, PPL, NRG, PSEG, Dynegy and AEP.

Exelon and Pepco told FERC last week that competitive and environmental concerns raised over their proposed merger are unfounded.

News briefs on companies in the PJM Interconnection this week, including Duke, Exelon, NRG and Dominion.

Exelon’s proposed $6.8 billion acquisition of Pepco Holdings Inc. should clear federal regulatory hurdles easily but may face a tougher time convincing state regulators.

Wednesday’s ice storm cut power to more than 1 million in the Philadelphia area, with Peco Energy recording a new winter outage record. RTO Insider Editor Rich Heidorn Jr. was there and brings you all the details.

News briefs from the states within the PJM footprint. This week we include Kentucky, Maryland, New Jersey, Ohio, Pennsylvania, and Virginia.

State briefs from around PJM's territory. Included this week are Illinois, Kentucky, Maryland, New Jersey, North Carolina, Ohio, Pennsylvania, and Virginia.

State briefs from around PJM's territory. Included this week are Illinois, Maryland, Michigan, New Jersey, North Carolina, Ohio, Pennsylvania, Virginia and West Virginia.

State briefs from around PJM's territory. Included this week are Illinois, Indiana, Maryland, New Jersey, Ohio, Pennsylvania, and Virginia.

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.