[US] - Blackout risk rises as heatwave stresses largest US electric grids | Guardian
theguardian.com/us-news/2026/sep/02/heatwave-...
theguardian.comPosted Sep 2, 2026, 12:33 PM UTC
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theguardian.comtheguardian.comPosted Sep 2, 2026, 12:33 PM UTC