Grid edge

Grid edge

Smart thermostats are helping Arizona’s grid ride out brutal heat

Amid soaring temperatures, Arizona has seen success with utility programs that incentivize people to turn down the AC when the power grid is stressed.

Jeff St. John  . 

The sun rises behind a mountain range. Powerlines are shown in silhouette. A body of water is in the foreground.
The sun rises in Tempe, Arizona on July 12, 2023, which was the area's 12th consecutive day of temperatures over 110°F. (Rebecca Noble/Getty Images)

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