Multiple cold weather close calls in January highlighted what ISO-NE says are vulnerabilities in the region's grid.

ERCOT CEO Brad Jones said regaining Texans' trust in the grid will take more than meeting demand during one winter storm.

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.

December contained unexceptional load and growing energy prices, according to MISO's monthly operations report.

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.