The Supreme Court ruled that EPA acted “unreasonably” when it failed to consider costs before deciding to regulate mercury and other toxic emissions from power plants under the Clean Air Act.

The U.S. Supreme Court said Monday it will reconsider the D.C. Circuit Court of Appeals decision threatening the FERC’s authority over demand response.

ISO-NE is considering delaying full integration of demand response into its markets by a year due to uncertainty about FERC’s authority over the resource.

AEP and FirstEnergy's plans to shut down coal-fired generation under the EPA’s MATS won't change even if the Supreme Court throws out the standards.

FERC yesterday asked the Supreme Court to overturn an appellate court ruling voiding its authority to demand response in RTOs, a day after PJM filed a contingency plan for including DR in its upcoming capacity auction.

News briefs on the federal agencies that impact those doing business in PJM's footprint. This week, we highlight the Department of Energy, the Bureau of Ocean Energy Management, the Federal Energy Regulatory Commission and the North American Reliability Corp.

News briefs on the federal agencies that impact those doing business in PJM's footprint. This week, we highlight the CFTC, DOE, NRC, the Department of the Interior and Congress.

Briefs from federal agencies governing PJM Interconnection and other national organizations. This week's news include stories from the Energy Information Administration, the Environmental Protection Agency, the Supreme Court and the DC Circuit Court.

Maryland and Delaware joined six other Eastern states in asking EPA to impose tighter controls on nine “upwind” PJM states they say are sending pollution over their borders.

Briefs from federal agencies governing PJM Interconnection and other national organizations. This week's news include stories from Congress, FERC, the D.C. Circuit, the EPA, and other national news.