Northern States Power Co. engages in the generation, transmission, distribution and sale of electricity. It supplies electricity to the portions of northwestern Wisconsin and the western portion of the Upper Peninsula of Michigan. The company purchases, transports, distributes and sells natural gas to retail customers and transports customer-owned natural gas. Its large commercial and industrial electric retail customers include food products, paper, allied products and sand mining for oil and gas extraction industries. Northern States Power was founded in 1901 and is headquartered in Eau Claire, WI.