Tucson Electric Power Co. customers will likely see their monthly bills rise a few dollars, as state regulators reset a financial mechanism linked to fuel and purchased-power costs.
The planned acquisition of Tucson-based UNS Energy Corp. by a Canadian utility company advanced with the approval of federal energy regulators.
Shareholders of UNS Energy Corp. voted today to approve the proposed $4.3 billion buyout of the company by Canadian utility giant Fortis Inc.
Tucson Electric Power Co. has begun work on a new transmission line that will strengthen electrical system reliability by linking two substations.
Tucson-based UNS Energy Corp., parent of Tucson Electric Power Co., was the target of a failed hoax in which someone filed fraudulent bankruptcy papers on the company’s behalf.
Paul J. Bonavia, chairman and CEO of UNS Energy Corp. since 2009, will retire as CEO on May 2 and take a new role as executive board chair of the company, the parent company of Tucson Electric Power Co. announced.
Higher rates at Tucson Electric Power Co. helped parent UNS Energy Corp. post an 80 percent increase in fourth-quarter profit and a 40 percent increase in net income for all of 2013.
Tucson Electric Power Co. recognized seven organizations and local sustainable- homebuilding pioneer John Wesley Miller on Wednesday for their support of energy-efficiency goals.
State regulators have agreed to allow Tucson Electric Power Co., Arizona Public Service Co. and a rural TEP affiliate to apply for waivers to state rules requiring a certain amount of rooftop-solar installations to meet clean-energy goals.
State utility regulators are considering plans to waive — or possibly eliminate — a mandate that Tucson Electric Power Co. and other utilities get a certain amount of renewable energy from rooftop solar installations.
Tucson Electric Power Co. and the Girl Scouts of Southern Arizona are working together to give away 150,000 compact fluorescent light (CFL) bulbs through Girl Scout cookie sales.
UNS Energy Corp., the parent of Tucson Electric Power Co., has agreed to be acquired by Canada-based utility Fortis Inc. in a deal worth $4.3 billion, the companies said Wednesday.
The University of Arizona Tech Park will add a new solar-farm design to its solar-technology demonstration area next year, with the addition of a one-megawatt concentrating photovoltaic array.
State utility regulators approved new fees for Arizona Public Service Co. customers with solar-energy systems, in a decision that could ultimately affect solar customers in Tucson.
Tucson Electric Power Co. and radio station 94.9 KMXZ MIX-FM are trying to fill a moving van with food today as part of the ninth annual “Thanksgiving on the Mayflower” event for the Community Food Bank of Southern Arizona.
PHOENIX — Customer Dru Bacon compared Arizona Public Service Co.’s approach to household solar to Eastman Kodak Co.’s inability to recognize the future of digital photography.
Tucson Electric Power Co. parent UNS Energy Corp. beat analysts’ third-quarter earnings expectations thanks in part to a recent rate increase, but the company handily missed Wall Street’s revenue forecast.
Tucson Electric Power Co. parent UNS Energy Corp. beat analysts' third-quarter earnings expectations thanks in part to a recent rate increase, but the company handily missed Wall Street's revenue forecast.
A German energy giant dedicated its first solar-energy installations in the U.S. on Monday under sunny skies in Tucson.
Tucson Electric Power Co. is swapping a chunk of its coal-fired power generation for cleaner-burning natural gas.