UniSource Energy Services (UES), based in Tucson, reminds customers to beware of calls from scammers pretending to be UES employees and threatening to disconnect service over unpaid bills.

The Arizona Corporation Commission (ACC) approved new rates for UNS Electric, a subsidiary of UniSource Energy Services, which will result in small rate increases for customers. The average residential customer's bill will increase $4.20 per month, effective Sept. 1.

UniSource Energy Services (UES) recently said it has more than doubled its capacity to generate renewable energy with the expansion of a solar and wind project near Willcox..

A utility company in Arizona has modified its proposed new rate packages in the face of opposition to hikes in charges.

UniSource Energy Services (UES), whose parent is Tucson-based UNS Energy, recently released a mobile-friendly outage map that shows real-time updates about local electric service interruptions.

The Arizona Corporation Commission began hearings Tuesday on an application from UNS Electric, the UniSource-owned electric provider for Santa Cruz and Mohave counties, to raise its rates.

UniSource Energy Services (UES) said recently it will add to its renewable energy portfolio in 2016 with a large-scale photovoltaic (PV) system in Mohave County and smaller solar arrays for two area schools.

Arizona Corporation Commission approves UES' request for 10 cents per therm bill credit.