WEC Energy Group, based in Milwaukee, is an energy company serving 4.6 million electric customers in Wisconsin (67% of customers), Illinois (23%), Minnesota (5%) and Michigan (5%). The company's primary subsidiaries are We Energies, Wisconsin Public Service, Peoples Gas, North Shore Gas, Michigan Gas Utilities, Minnesota Energy Resources, and Upper Michigan Energy Resources. The company's other major subsidiary, We Power, designs, builds, and owns electric generating plants. Excluding recent acquisitions