Formerly Wisconsin Energy, WEC Energy Group provides electricity and natural gas to nearly 4.4 million customers in four states. One of the largest natural gas distributors in the US, the company operates through brands We Energies, Wisconsin Public Service, People Gas, North Shore Gas, Michigan Gas Utilities, and Minnesota Energy Resources. It serves Wisconsin, Illinois, Michigan, and Minnesota with more than 71,000 miles of electric distribution lines, more than 45,000 miles of natural gas distribution and transmission lines, and 8,577 MW of generating capacity. The former Wisconsin Energy acquired Integrys Energy in mid-2015 to create WEC Energy Group.