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.

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

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

News briefs on companies in PJM Interconnection: this week including Calpine Corp., Public Service Enterprise Group, Exelon Corp., Duke Energy Corp., PPL Corp. and Dominion Virginia Power.

Calpine announced SPS to accommodate Susquehanna-Roseland construction while PPL posted new line designations.

PJM and FERC were summoned to Capitol Hill last week to defend their actions to ensure reliability — FERC in response to sabotage concerns, PJM in the wake of an extraordinary winter that featured more near calamities than a James Bond movie.

News briefs on companies in PJM Interconnection: Ameren, Calpine, Duke and First Energy.

FERC approved PJM’s proposal to cap the amount of Limited and Extended Summer demand response that clears in the annual base capacity auction, an action expected to increase capacity prices.

PJM generators told FERC that it should go beyond PJM’s qualification rules for demand response providers — with some proposing that planned DR resources be banned from the capacity market.

A top EPA official told state regulators the agency is still in listening mode in drafting its greenhouse gas rules on existing power plants. Others expressed concerns.