The US Department of Energy warns on September 2, 2026, that blackout risk is rising as a heat wave stresses major electric grids, particularly the PJM Interconnection serving 67 million people from Washington DC to Chicago. Power outages are expected to escalate across broad regions as demand surges.
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Blackout risk rises as heat wave stresses largest US electric grids Reuters
US energy department warns of potential for outages in PJM Interconnection, serving 67 million from DC to Chicago The risk of power outages is expected to escalate across a broad swath of the United States on Wednesday as intense heat will test the capacity of electricity supplies serving millions of homes and businesses from the midwest through the mid-Atlantic. The US Department of Energy wa