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Terna reported on 21 October that Italian electricity demand reached 27.8 terawatt-hours in September 2026, up 6.5% from a year earlier. It described this as the highest September demand since 2014 and linked part of the increase to temperatures about 2°C higher.

Renewable sources generated 10.9 TWh, equivalent to 39.4% of demand. For January–September, demand was 5.2% higher year on year, while renewable generation increased 1.1%.