The D.C. Circuit Court of Appeals endorsed FERC over Entergy Arkansas in a disagreement over MISO’s cost allocation for interregional transmission projects.

A panel of legal experts said the Supreme Court decision in West Virginia v. EPA could place constraints on congressional efforts to address climate change.

An ISO-NE official sat down with some of the RTO’s biggest critics, including Sen. Ed Markey, who pushed her on its clean energy efforts and transparency.

The U.S. Department of Energy made changes requested by California to help postpone the retirement of Diablo Canyon, the state's last nuclear plant.

The Biden administration will continue to seek private industry's help in cutting GHG emissions following the Supreme Court ruling limiting EPA's powers.

Columnist Steve Huntoon is disillusioned by FERC's retreat from Order 1000's requirements for competition in transmission.

At the first in-person MRC meeting since the pandemic, PJM faced opposition to proposals regarding FERC filings and a change to the capacity offer cap.

Reactions to the Supreme Court’s decision in West Virginia v. EPA came fast and, predictably, framed with an eye on the upcoming midterm elections.

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

The company behind a Massachusetts gas plant agrees to pay a $17 million penalty and hand back $26 million in profits after FERC found that it misled ISO-NE.