PJM member companies FirstEnergy, Duke Energy, NRG Energy, Dynegy and AES all announced second-quarter earnings last week.

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.

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.

News briefs on companies in PJM Interconnection, this week including: Dominion, NRG, PPL and Dynegy.

PJM and several member companies weighed in with reactions to the EPA's proposed GHG rule and its carbon emission limits.

Exelon shareholders shed no tears last week over the news that five of the company’s nuclear units failed to clear PJM’s capacity auction. Analysts say the company will earn almost $150 million more in capacity revenue than it would have if all of the company’s capacity had cleared.

Exelon made no secret last week that five of its nuclear units failed to clear the capacity auction. Other generators — representing almost two-thirds of the generation capacity that failed to clear — were less forthcoming.

The brutal winter weather boosted earnings for many PJM companies in the first quarter, even while some were absorbing huge costs from strategy shifts.

News briefs on companies in PJM Interconnection: This week we spotlight Duke Energy, Exelon, NRG Energy, Exelon, Exel Energy, FirstEnergy, ComEd, and AEP.