The D.C. Circuit backed FERC's reversal of a waiver over SPP transmission upgrade costs, even though it resulted in a “free pass” for some system users.

Louisiana and Mississippi joined MISO and its TOs in opposing LS Power’s campaign for regional cost sharing of transmission projects down to 100 kV.

The D.C. Circuit Court of Appeals rejected FERC's logic for approving a 10% cost adder in PJM's capacity market.

An appellate court rejected FERC's approval of a natural gas pipeline, saying the commission ignored its own rules on determining the need for the facility.

The D.C. Circuit Court of Appeals dismissed a petition by the Union of Concerned Scientists calling for a review of DOE rules concerning disclosure of CEII.

The D.C. Circuit rejected the Trump administration’s ACE Rule for regulating GHG emissions, saying EPA misconstrued the law.

NYISO petitioned the D.C. Circuit to review FERC’s rejection of the ISO’s proposal to exempt public policy resources from its buyer-side mitigation rules.

Nine conservation groups sued EPA over the agency’s move to weaken standards on water pollution emanating from coal-fired power plants.

FERC Chairman Neil Chatterjee said the commission will not petition the Supreme Court over the D.C. Circuit’s ruling that its use of tolling orders violates the NGA and FPA.

Utilities asked the D.C. Circuit Court of Appeals to overturn the FCC’s ruling opening a portion of the 6-GHz band for unlicensed use.