UniSource Energy Corporation · Tucson, AZ United States ·(NYSE: UNS)

UniSource Energy has more than one source of income, but it gets most of its revenues from its energy utilities. The company's Tucson Electric Power unit generates and distributes electricity to more than 400,000 customers in southeastern Arizona. The unit has 2,204 MW of generating capacity. Subsidiary UniSource Energy Services provides electricity (through UNS Electric Services) to 90,000 customers and natural gas (through UNS Gas) to 145,000 customers in 30 communities in northern and southern areas of the state. UniSource's Millennium Energy Holdings unit invests in unregulated energy and emerging technology companies. To read the full description, subscribe now.