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.

New York regulators last week delayed action on a financial lifeline for the R.E. Ginna nuclear plant in order to review its impact on ratepayers.

Two key Maryland counties have agreed to support the controversial takeover of Pepco by Exelon in return for promises of bill credits, reliability improvements and other concessions.

News briefs on companies doing business with RTOs. This week we include FirstEnergy, NRG, PPL, Exelon and the TVA.

Industrial, commercial and institutional energy customers in New York called on FERC to reject an agreement to keep the Ginna nuclear power plant operating.

Maryland's Attorney General called on state regulators to reject Exelon’s acquisition of Pepco Holdings Inc., while the companies more than doubled their offer of ratepayer incentives.

D.C.’s consumer advocate asked the PSC last week for more time to respond to Exelon’s sweetened offer in its proposed $6.8 billion acquisition of Pepco.

Exelon’s year-long lobbying campaign has won bipartisan backing for a bill that would charge Illinois electricity users a fee to ensure continued operation of three nuclear generators that the company says are unprofitable.

News briefs on companies doing business with RTOs. This week we include Duke, Dominion, Ameren and Exelon.

In a bid to win D.C.’s approval of its takeover of Pepco, Exelon last week more than doubled the amount of customer credits it is offering.