Northern States Power Co. engages in the generation, purchase, transmission, distribution and sale of electricity. It operates through the following segments: Regulated Electric, Regulated Natural Gas, and Other. The Regulated Electric segment generates electricity which is transmitted and distributed in Minnesota, North Dakota and South Dakota. The Regulated Natural Gas segment includes transports, stores, and distributes natural gas in portions of Minnesota and North Dakota. The company was founded in 1909 and is headquartered in Minneapolis, MN.