News briefs on companies in the PJM Interconnection this week, including Duke Energy, Exelon, American Electric Power, Pepco and PPL.

Dynegy announced Friday it will nearly double its capacity with the purchase of about 12,400 MW of generation from Duke Energy and private equity firm Energy Capital Partners.

News briefs on companies in the PJM Interconnection this week, including Vivint, Tennessee Valley Authority, Sunoco, FirstEnergy and PSEG Nuclear.

A summary of the second-quarter 2014 earnings reports of major corporations doing business in PJM.

News briefs on companies in the PJM Interconnection this week, including Exelon, Entergy, ComEd, PSEG and DTE.

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

Exelon, a company primarily known for its generation fleet, continued its customer-buying spree last week when it announced an agreement to buy Integrys Energy Services for $60 million.

ComEd is teaming with an engineering company to boost the reliability of Chicago’s electrical grid and protect it against terrorism by installing three miles of superconductor cable beneath the city’s Loop district.

PPL and Riverstone Holdings have offered to divest about 1,300 MW of generation from their 15,000-MW combined fleet to avoid market power concerns over their planned spinoff, Talen Energy.

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