NYISO’s Business Issues Committee approved revisions to the ISO’s Transmission Constraint Pricing Manual and discussed incorporating carbon costs.

The nine states comprising RGGI have agreed to accelerate reductions in emissions by lowering the annual allowances by 30% over 10 years.

FERC denied NRG Curtailment Solutions’ request for an exemption from NYISO penalties for nonperformance.

Connecticut regulators got an earful at a public comment session on the future of Dominion Energy’s Millstone nuclear plant.

A $40/ton carbon emissions charge in NY state would have “a relatively small impact” on customer costs, according to an analysis released by NYISO.

Industry representatives and state regulators gave an overview of the changing landscape at the NARUC Summer Policy Summit.

Both houses of the California State Legislature voted late Monday to extend the state’s greenhouse gas (GHG) cap-and-trade program until 2030.

California Democrats unveiled legislation to combat air pollution that included a measure to extend the state’s greenhouse gas cap-and-trade program.

The California Supreme Court declined to review a challenge of the state’s greenhouse gas cap-and-trade program.

PJM secured U.S. Department of Energy approval to dispatch Dominion's shuttered Yorktown units to address reliability issues in Virginia.