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

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.

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.”

MISO flirted with its first maximum generation event of the year, a month after it cautioned members that winter operations would get risky.

More than 100 insurance companies are suing ERCOT and generators for policy holders’ “significant property damage” during last February’s winter storm.

An exchange of letters between ISO-NE and Connecticut's top energy regulator shows tension still remains about how to handle winter reliability worries.

ERCOT and Texas regulators and politicians say the grid is ready for severe winter weather this time, but some stakeholders aren't so sure.

ERCOT broke its silence on social media when it tweeted the release of its semiannual report that provides a 10-year forecast of its planning reserve margins.

ERCOT says it has received all but one winter readiness report from system generating resources as part of the state’s new winter readiness requirements.

Stakeholders at MISO Board Week offered a few tips on how the footprint can weather a tough winter, a day after the RTO elevated wintertime risk levels.