PJM is concerned that EPA was overly optimistic in its assumptions for how quickly it can add transmission to meet the Clean Power Plan.

EPA's final Clean Power Plan provoked outrage from coal interests, praise from environmentalists and cautious optimism from regulators and grid operators.

EPA's final Clean Power Plan relaxes some controversial proposals while increasing its target for carbon emission reductions.

SPP's latest analysis of EPA’s draft Clean Power Plan indicates state-by-state compliance with the plan would result in nearly 40% higher costs than a regional approach.

The price tag on the proposed Northern Pass transmission line in New Hampshire appears likely to rise after a draft environmental impact statement released last week showed the cheapest route would also have the greatest environmental impact.

RGGI provides substantial economic benefits and has not raised prices or impaired reliability, according to an independent study.

Dominion Resources CEO Tom Farrell spoke of the challenges of social media, the promise of utility-scale solar and the dangers of “magical thinking.”

“My guess is EPA is going to largely ignore the problem and hope that nuclear plants don’t retire,” an Exelon executive said.

The Supreme Court ruled that EPA acted “unreasonably” when it failed to consider costs before deciding to regulate mercury and other toxic emissions from power plants under the Clean Air Act.

Gas producers are “listening loud and clear” to environmental concerns about fracking, James Tramuto, vice president of governmental and regulatory strategies for Southwestern Energy.