US heatwave to test power grid amid soaring AI-driven energy demand Grid operators warn the US heatwave could send electricity demand near record levels before Fourth of July weekend.Share this: Iranians suffer from power blackouts during war and heatwaveDateJuly 19, 2026In relation toAl-JazeeraAbout 20 drown in France trying to escape heatwave sweeping much of EuropeDateJune 23, 2026In relation toAl-JazeeraWhat does a heatwave cost?DateJuly 21, 2026In relation toAl-Jazeera