How many customers does semco have in michigan? SEMCO Energy Gas Company From Business: SEMCO ENERGY Gas serves more than 266,000 customers in 24 counties in Michigan's upper and lower peninsulas. The company provides residential, commercial and…Why choose semco energy gas company? Whether you need to heat your home, cook, dry clothes, heat water, or light your yard, natural gas from SEMCO ENERGY Gas Company is the natural choice. Please contact your area Marketing Representative with any new service questions.How do i pay my semco natural gas bill online? Pay online with One Time Pay, no registration required. SEMCO Energy Gas Company is pleased to offer residents an easy and convenient method to view and pay their natural gas bills online. To make sure that you receive emails from Invoice Cloud, please add [email protected] to your address book.Where is semco energy located in battle creek? Semco Energy is located at 15851 Helmer rd S in Battle Creek, Michigan 49015. Semco Energy can be contacted via phone at (800) 624-2019 for pricing, hours and directions. What is the phone number for Semco Energy?