https://worldpowermonitor.com/alerts/zones/ Notable events in California grid operator data, as of 2026-09-20. Source: EIA, provisional and may be revised. en Sun, 20 Sep 2026 00:00:00 GMT https://worldpowermonitor.com/alerts/2026-09-10/ https://worldpowermonitor.com/alerts/2026-09-10/ Thu, 10 Sep 2026 00:00:00 GMT demand California used 1.18 TWh of electricity on 10 September 2026, the highest daily demand in 389 days of loaded history. https://worldpowermonitor.com/alerts/2026-09-09/ https://worldpowermonitor.com/alerts/2026-09-09/ Wed, 09 Sep 2026 00:00:00 GMT demand California used 1.17 TWh of electricity on 9 September 2026, the highest daily demand in 388 days of loaded history. https://worldpowermonitor.com/alerts/2026-08-28/ https://worldpowermonitor.com/alerts/2026-08-28/ Fri, 28 Aug 2026 00:00:00 GMT demand California used 1.09 TWh of electricity on 28 August 2026, the 3rd highest daily demand in 376 days of loaded history. https://worldpowermonitor.com/alerts/2026-08-27/ https://worldpowermonitor.com/alerts/2026-08-27/ Thu, 27 Aug 2026 00:00:00 GMT demand Daily demand in California reached 1.11 TWh on 27 August 2026, the highest daily demand in 375 days of loaded history. https://worldpowermonitor.com/alerts/2026-08-26/ https://worldpowermonitor.com/alerts/2026-08-26/ Wed, 26 Aug 2026 00:00:00 GMT demand California used 1.11 TWh of electricity on 26 August 2026, the highest daily demand in 374 days of loaded history. https://worldpowermonitor.com/alerts/2026-08-25/ https://worldpowermonitor.com/alerts/2026-08-25/ Tue, 25 Aug 2026 00:00:00 GMT demand Daily demand in California reached 1.09 TWh on 25 August 2026, the highest daily demand in 373 days of loaded history. https://worldpowermonitor.com/alerts/2026-08-24/ https://worldpowermonitor.com/alerts/2026-08-24/ Mon, 24 Aug 2026 00:00:00 GMT demand California used 1.07 TWh of electricity on 24 August 2026, the highest daily demand in 372 days of loaded history.