A deep freeze is gripping the US in the wake of the worst storm so far this season, leaving the country’s biggest electric grid in emergency status and bracing for record wintertime demand. PJM ...

Mr. Meyer is a contributing Opinion writer and the founding executive editor of Heatmap, a media company focused on climate change. It might not be obvious, but it has been a bit of a challenge to ...

Part of Mississippi is paralyzed in the wake of a winter storm that completely upended the power grid. Linemen are now working nearly around the clock to re-electrify the area around Oxford, Miss. In ...