Spearmint Energy Secures Site Permit for 600 MWh Battery Energy Storage in MISO
Minnesota Public Utilities Commission Approves Site Permit for Midwater BESS, a Standalone Battery Energy Storage Project in Freeborn County, Minnesota
Spearmint’s Second Permitted Project in MISO Expected to Strengthen Grid Resilience
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 significant milestone for the project and advances Spearmint’s efforts to enhance energy resilience and grid stability in the MISO region. Midwater will be sited on 10 to 20 acres of privately owned land adjacent to the Glenworth Substation off Minnesota Highway 65 in Freeborn County. The project is designed to support a more reliable, consistent and affordable energy supply.
