Among the topics covered by WECC’s State of the Interconnection report, one subject stands out: the impact of extreme natural events on the Western grid.

December’s winter storm and early February’s cold snap challenged the New York grid, but they did not cause any emergencies, NYISO told the Operating Committee.

Michigan lawmakers grilled DTE and CMS Energy officials over their efforts to restore power following storms that slammed the state in February and March.

NYISO on Monday updated the Operating Committee on January operations performance and how the early-February cold snap event impacted the grid.

NYISO updated the OC on the December snowstorm's impact on grid operations, highlighting a sharp shortfall in scheduled generation on Christmas Eve.

MISO’s December emergency declaration ignited a debate over whether the RTO should enter emergency procedures to sustain its neighbors during extreme weather.

Texas regulators narrowed their focus to the performance credit mechanism but disappointed some by not voting to recommend the market mechanism to lawmakers.

NV Energy told Nevada regulators that “extreme weather” and wet snow caused outages that cut power to nearly 124,000 customers at the start of the year.

A series of storms have started to fill depleted hydroelectric reservoirs and build deep snowpack in California while also causing power outages and flooding.

Ohio regulators cleared AEP of wrongdoing in its response to storms that led to load sheds in June but said it should manage vegetation more aggressively.