While the executive order signed by Trump rolling back efforts to combat climate change upset some, RTO officials are largely shrugging their shoulders.

While interest groups and coal-state lawmakers praised President Trump's recent executive order, most reactions ranged from skepticism to derision.

President Trump signed an executive order directing EPA to begin undoing its Clean Power Plan, a centerpiece of American efforts to battle climate change.

President Trump signed an executive order directing the EPA to begin the lengthy process of undoing its Clean Power Plan.

Former FERC Commissioner Tony Clark said zero-emission credits (ZECs) may be rejected because of their impact on wholesale market prices.

EPA’s Clean Power Plan may be undone by the Trump administration, but MISO and PJM officials say their study on the rule yielded valuable insights.

President Trump’s vow to undo the Obama administration’s bid to reduce carbon emissions could be good news for the wind power industry in the short run.

New EPA Administrator Scott Pruitt gave a brief speech introducing himself to the staff of an agency he sued multiple times as Oklahoma attorney general.

Scott Pruitt was sworn in as EPA Administrator by Supreme Court Justice Samuel Alito after the Senate voted 52-46 to confirm him.

PG&E earned $692 million during the fourth quarter of 2016, compared with $134 million during the same period a year earlier.