NRG Energy has become the second-largest generating company in the country, thanks in part to its acquisition of Edison Mission Energy.

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

Several PJM utilities released their fourth quarter earnings last week, but none made news like Exelon, which warned that it may shut down some of its nuclear generating stations if they can't compete against subsidized renewable generators and stubbornly low natural gas prices.

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

News briefs on companies in PJM Interconnection: Dominion, Duke, Exelon, and AEP.

News briefs on companies in PJM Interconnection: AEP, Dominion, First Energy, GDF Suez Energy, and Iberdrola USA.

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.

News briefs on companies in PJM Interconnection: Dominion and FirstEnergy.

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