TEP, serving customers in Southern Arizona, along with its Arizona-based parent, UNS Energy, are subsidiaries of Fortis Inc. Reach the writer at [email protected].

UniSource Energy Services issued an all-source request for proposals seeking new generation facilities, energy storage systems and other resources.

TEP serves more than 450,000 electric customers in Southern Arizona. TEP and its Tucson-based parent company, UNS Energy Corp., are subsidiaries of Fortis Inc., a North American regulated electric ...

Although dispatchable capacity and energy resources are preferred ... 170,000 customers in northern and southern Arizona. For more information about UniSource, visit uesaz.com.

UniSource Energy Services is seeking new generation ... gas service to nearly 170,000 customers in northern and southern Arizona. For more information about UniSource, visit uesaz.com.