NRC ruled that the Davis-Besse nuclear plant in northwest Ohio violated cybersecurity rules and ordered owner Energy Harbor to develop new procedures.

ERCOT has raised its alert level as extreme cold weather moves into Texas, saying it is taking action ahead of increased demand to ensure grid reliability.

ERCOT and SPP have both issued operations advisories as they prepare for another blast of winter weather this week.

Utilities cannot recover prior costs of complying with NERC's critical infrastructure protection standards in ISO-NE, the D.C. Circuit Court said.

FERC’s Republican minority is arguing that the commission’s recent decision on the Weymouth Compressor Station is leading to uncertainty for gas developers.

ERCOT sailed through its second stress test of its winter readiness, easily meeting demand that came short of its peak during last February’s storm.

The West's reliance on imports could prove problematic during summer heat waves or when hydroelectric generation dries up because of drought, WECC said.

ERCOT is bracing for the second major cold front of the year, issuing an operating condition notice for Thursday and Friday ahead of “extreme cold weather.”

PJM updated stakeholders at the OC meeting regarding ongoing discussions with the Illinois EPA over the impacts of the state’s sweeping energy legislation.

An ISO-NE study warned that DERs with older inverters that don't allow them to ride through faults could trip during high solar output and low demand.