The U.S. Supreme Court held, 6-3, that President Barack Obama's EPA had exceeded its statutory authority under §111(d) of the CAA when it promulgated the Clean Power Plan to address carbon dioxide pollution from existing power plants. States and coal companies had petitioned for review of the plan,...

The D.C. Circuit granted in part and denied in part petitions to review FERC's order approving the Independent System Operator for New England's (ISO-NE's) tariff revisions that compensated power plants for maintaining up to three days' worth of fuel on-site to generate electricity during winter mon...

The D.C. Circuit upheld FERC's approval of a dam operator's flood protection plan for a nearby water pump station in North Carolina. A city petitioned for review of FERC's approval of the plan, a state-imposed condition of its water quality certification under the CWA, which involved raising the pum...