About SEMCO Energy
SEMCO Energy provides natural gas to more than 400,000 customers combined between Alaska and Michigan. Over 300,000 of those customers are in Michigan alone. As an owner and operator of several natural gas companies, SEMCO involves itself in intrastate pipelines, natural gas distribution, natural gas storage, and propane distribution.
Since 1977, SEMCO Energy has been incorporated in the state of Michigan. Based in Port Huron, SEMCO Energy Michigan cities include Albion, Battle Creek, and Three Rivers. Working as a division of SEMCO Energy, SEMCO Energy Gas Company is one of AltaGas Ltd.’s subsidiaries.