Extreme winter temperatures, while not as severe as last year, continue to play a major role in companies’ earnings results and business strategies.

New England power generators asked a federal appeals court to overturn FERC orders that accepted ISO-NE’s change to a sloped demand curve in advance of this year’s Forward Capacity Auction.

The Supreme Court’s ideological divide was on display Wednesday as justices sparred with attorneys over whether the EPA should have considered costs before deciding whether to regulate mercury and other pollutants from power plants.

PSEG reported fourth-quarter net income of $476 million ($0.94/share), more than double the $200 million ($0.39/share) for the same quarter in 2013.

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

New generators from Exelon, LS Power and Competitive Power Ventures were the apparent winners in ISO-NE's capacity auction, while NRG Energy and Public Service Enterprise Group walked away empty handed.

PJM planners won’t be ready after all to recommend a stability fix for Artificial Island in time for the Board of Managers’ regular meeting in February.

News briefs on companies doing business with RTOs. This week we include Xcel, PSEG, Entergy, UGI, AEP, FirstEnergy and Duke.

PSEG Nuclear last week called on PJM to prevent planners from using what the company said is unproven technology in the stability fix for Artificial Island.

FERC said PPL’s plan to combine its generation with Riverstone Holdings to form Talen Energy could get its OK if it beefed up its market mitigation.