The D.C. Circuit Court of Appeals has vacated FERC’s decision to order PJM to rerun its 2024/25 capacity auction without a tweak to the parameters for the DPL South zone.

DOE is exceeding its authority by using Federal Power Act Section 202(c) to keep the J.H. Campbell coal plant in Michigan running under several consecutive “emergency” orders, opponents argued in recent court filings with the D.C. Circuit.

Supreme Court justices appeared ready to overturn a 90-year precedent that has limited presidents' authority to fire members of independent regulatory agencies like FERC.

Environmental groups are further pressing their opposition to MISO's and SPP’s fast-track studies for primarily fossil fuel projects, challenging both at the D.C. Circuit in a pair of lawsuits.

The Sierra Club and Natural Resources Defense Council filed a petition with an appeals court to toss two recent FERC orders that granted SPP’s request to modify provisions for clean energy resources’ capacity accreditation.

The D.C. Circuit Court of Appeals upheld the Department of Energy’s efficiency standard for natural gas furnaces and water heaters against appeals from gas trade associations.

The Tennessee Valley Authority is closing in on a gas-for-coal swap at its Cumberland plant after the D.C. Circuit Court of Appeals rejected environmental groups’ arguments against FERC’s environmental review.

The D.C. Circuit Court of Appeals vacated a FERC order allowing MISO to end reactive power compensation, though the decision has no bearing on the nationwide discontinuation of payments for reactive power in Order 904.

The D.C. Circuit Court of Appeals upheld an earlier decision that sided with FERC on a PURPA case without using Chevron deference, agreeing with the commission's statutory interpretation.

The D.C. Circuit remanded to FERC an order rejecting a mitigation plan LG&E and KU Energy filed to replace its longstanding obligation to de-pancake rates for wholesale customers.