The Department of Energy has issued an emergency order for PJM Interconnection, the largest grid operator in the US, as unusually hot weather strains electricity supply from the Mid-Atlantic to the Midwest. The order lets power plants run past their normal pollution limits and gives PJM extra tools to keep the lights on.
The order at a glance
The order, DOE Order No. 202-26-50, was issued on October 12 under section 202(c) of the Federal Power Act. It took effect October 13 and runs through October 16. It covers
