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.

The D.C. Circuit Court of Appeals granted FERC’s request for a delay in responding to the court’s order barring the commission’s use of tolling orders.

FERC has asked the D.C. Circuit to give it 90 days to respond to the court’s June 30 order barring the commission’s use of tolling orders.

The D.C. Circuit Court of Appeals ruled that FERC can no longer use tolling orders to delay judicial review of its rulings under the Natural Gas Act.

The D.C. Circuit Court of Appeals seemed unconvinced by arguments that FERC exceeded its jurisdiction by refusing to let states opt out of Order 841.

The D.C. Circuit Court spent three and a half hours grilling attorneys in a case that could decide whether FERC is allowed to issue tolling orders.