Xcel Energy, 1040 Summit Ave, Mankato, MN 56001, US

Owatonna Public Utilities is a community-owned, nonprofit water, Internet access, electric and natural gas supplier. It was established more than 80 years ago, and it serves more than 11,000 electric and over 9,000 natural gas customers. Located in Owatonna, Minn., the company also serves more than 9,000 water customers, and generates revenues of over $47 million every year. Owatonna Public Utilities provides 24-hours, seven-days a week customer support staff to its consumers. The company provides the SolarChoice program to its customers, which encourages the installation of solar electricity systems in various communities. It also offers several automatic payment plans, and has repairs and communications departments.