A 32°C heatwave was enough to expose Turin’s old power grid

Published by Albis · 29 May 2026

Repeated outages in Turin show how older city grids can become fragile when hotter summers arrive early and electricity demand rises

• • Traffic lights went dark in parts of Turin this week as Italy’s first heatwave of the year pushed the city’s electricity network into repeated failure.
• • The forecast high in Turin on Thursday was 32°C.
• • Iren said the heatwave arrived earlier than expected.
• • Longer daylight hours and high temperatures were putting cables under thermal stress.