The Supreme Court ruled that EPA lacks authority to compel generation shifting to reduce CO2 emissions, citing a lack of “clear congressional authorization.”

The Supreme Court’s liberals defended EPA’s power to issue “beyond-the-fence-line” rules on power plants in a challenge by the coal industry and 20 states.

The Supreme Court agreed to consider challenges to EPA’s authority to regulate greenhouse gas emissions under the Section 111(d) of the Clean Air Act.

The U.S. Supreme Court declined to hear challenges to Illinois’ and New York’s nuclear subsidies, leaving standing appellate court rulings.

Several power producers joined the Electric Power Supply Association in petitioning the U.S. Supreme Court to review appellate court rulings upholding the New York and Illinois zero-emission credit programs.

Columnist Steve Huntoon dispels the notion that recently confirmed Supreme Court Justice Brett Kavanaugh is against independent agencies such as FERC.

The U.S. Supreme Court denied DTE’s petition to review an environmental penalty against one its coal plants over increased emissions.

DTE Energy asked the Supreme Court to review a lower court’s ruling upholding EPA’s power to halt construction at plants in violation of the Clean Air Act.

Panelists at the 154th New England Electricity Restructuring Roundtable in Boston discussed the recent failure of a nuclear subsidy bill in Connecticut.

The Supreme Court said it would not hear a challenge to FERC Order 1000, which ended the federal right of first refusal in transmission construction.