NWI Generator - Powering Northwest Indiana, Chicagoland, and Southwest Michigan. We live and breathe generators – it's all we do. We have been powering our region for over 20 years, so we know that the unpredictable weather around Lake Michigan brings frequent power outages for home and business owners. Whether you're looking to put an end to power outages with a new generator, or looking to maintain your current generator, let the team at NWI Generator put you back in control of your home.