Tag: Madison Powerhouse

  • NWE Begins Upgrade of 109-year-old Turbine

    In the fall of 2019 NorthWestern Energy will begin upgrading the 109-year-old turbines and generators in the Madison Powerhouse downstream of Ennis Lake. The original powerhouse building will remain in place, largely unaltered, while four new turbine-generator units are installed within it.  No alterations to the dam or flow conveyance structures are required by the…