Tucson Electric Power – Unisource Energy

Tucson Electric Power provides electric service to roughly 408,000 homes and businesses across metropolitan Tucson, while affiliate UniSource Energy Services delivers energy to about 278,000 customers elsewhere in Arizona. Both are part of UNS Energy Corporation, a subsidiary of Fortis. TEP has committed to an aspirational goal of net-zero greenhouse gas emissions by 2050, driven by growing investment in wind, solar, and storage.