Xcel Energy is a public utility company that provides electricity and natural gas to customers in the United States. The company was founded in 1909 and is headquartered in Minneapolis, Minnesota. It is the leading provider of electricity and natural gas in the Upper Midwest region of the United States, serving over 3.6 million electricity customers and 2 million natural gas customers in Minnesota, Michigan, Wisconsin, North Dakota, South Dakota, Colorado, Texas, and New Mexico. In addition to its core utility business, Xcel Energy also owns and operates a number of power plants, including coal, natural gas, nuclear, and renewable energy facilities.