General Info

UniSource Energy Corporation owns UniSource Energy Services (UES) a utility that delivers natural gas and electric service to more than 200,000 customers in northern and southern Arizona. UniSource is a growing company whose utility subsidiaries serve more than 550,000 customers across Arizona. The company's focus is on traditional utility operations with an eye toward the future of energy services. UniSource Energy Corporation's service territory includes some of Arizona's fastest growing communities in northern Arizona along with Santa Cruz County on the Mexican border. UniSource Energy Corporation is committed to solar power and other renewable energy projects. It also supports forward-looking energy technology through its Millennium Energy Holdings subsidiary. Millennium is the majority owner of Global Solar Energy, the manufacturer of flexible thin-film photovoltaic material and Infinite Power Solutions, a developer of miniature rechargeable batteries. The company is headquartered in Tucson, Arizona.