A new thermal battery could help this Minnesota campus electrify heat

A new thermal battery could help this Minnesota campus electrify heat

Twenty-one years ago, the University of Minnesota, Morris, became the first U.S. public university to draw power from an on-site, industrial-scale wind turbine. It added a second one in 2011. Today, the pair — affectionately known as Bert and Ernie — produce more power each year than the semirural campus consumes. …