Energy Department warns of blackout risk across PJM grid amid intense heat

The Department of Energy flagged heightened outage potential Wednesday in the PJM Interconnection, which serves 67 million people across the Midwest and Mid-Atlantic as an intense heatwave strains electricity supply.

First covered Sep 2, 2026 · 5:16 AM PT · 1 article · no longer in the live window

Energy Department warns of blackout risk across PJM grid amid intense heat — Image via theguardian.com

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24d Guardian Environment 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…

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Appeared in: 2026-09-02 (#2) · 2026-09-03 (#7)

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