Stories by Johanna Mathieu

Johanna Mathieu is an associate professor of electrical engineering and computer science at the University of Michigan.

Close up of a window air conditioner in the window with green shutters, on a white home with a blue, partly cloudy sky above the pitched roof

WeatherJune 13, 2025

Air-Conditioning Can Surprisingly Help the Power Grid during Extreme Heat

Switching on air-conditioning during extreme heat doesn’t have to make us feel guilty—it can actually boost power grid reliability and help bring more renewable energy online

Johanna Mathieu, The Conversation US