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Blackout risk rises as heatwave stresses largest US electric grids

The Guardian

ScienceThe Guardian·Sep 2, 2026·1 min read

Blackout risk rises as heatwave stresses largest US electric grids

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…

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