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

A top EPA official gave the most detailed hints yet about how the agency will revise the Clean Power Plan when the final rule is released this summer.

Stakeholders from MISO and SPP they are developing the framework for an interstate trading platform to comply with the EPA Clean Power Plan.

Clearing prices for the latest RGGI carbon dioxide allowances auction rose 4%, continuing a recent upward trend while the number of bidders declined.

Witnesses from the Southeast generally expressed far more concern than their counterparts in the Northeast during FERC’s technical conference on the EPA Clean Power Plan.

A round-up of news from the PJM Market Implementation Committee on March 11, 2015.

Representatives of PJM, ISO-NE and NYISO told FERC they are prepared to implement their states’ plans for complying with EPA’s proposed Clean Power Plan.

State-by-state compliance with the EPA's proposed carbon emission rule would be almost 30% more expensive than a regional approach, according to preliminary results of PJM analyses.

Republicans threatened to blunt the Obama administration’s proposed carbon emissions rule after taking control of Congress in last week's elections.

State officials and generation owners promised last week to challenge the assumptions the EPA used in its proposed carbon rule.