MIAMI–(BUSINESS WIRE)–Spearmint Energy (“Spearmint” or the “Company”), a next-generation energy company delivering stable, secure and cost-effective energy solutions to the grid through large-scale battery storage, today announced that the Minnesota Public Utilities Commission (“PUC”) has approved a Site Permit for the Midwater Energy Storage Project (“Midwater”), a 150 MW / 600 MWh standalone Battery Energy Storage System (“BESS”) in Freeborn County, Minnesota. The approval marks a significa