A Sky Crane helitanker retrieves fire retardant from tanks at a mixture base before making another run at the Gibson Fire outside Safford.
Tucson-based UNS Energy Corp. posted higher first-quarter earnings today as cold weather boosted energy demand.
A fire started by a space heater in a Picacho travel trailer spread to a second trailer, a car and a home just after midnight Tuesday.
Tucson Electric Power Co. and Pima Community College will use a $1.8 million federal grant to expand local energy-industry job training programs.
Tucson International Airport plans to install a solar-powered canopy over its entire main public parking lot over the next couple of years with the help of federal and state grants.
Wind-power projects increasingly are on the energy agenda, including for Arizona needs. Wind generation has significant technical, cost and environmental barriers, but two studies say the potential is enormous.
WASHINGTON - Earth has more than enough wind to power the entire world, at least technically, two new studies find.
Tucson-based Global Solar Energy Inc. is taking its flexible solar-panel technology into Japan’s growing solar market, taking advantage of a new government incentive program.
Tucson Electric Power Co. isn't one of the biggest utilities in the country, but it recently got some big-league props for its solar programs.
The governors of Arizona and Sonora said Friday they want to overcome the legal and regulatory hurdles that now prevent U.S. energy firms from selling electricity in Mexico.
On a night when you wished the band would have taken its time getting on stage, Styx started on time.
UniSource Energy Corp., the publicly traded parent company of Tucson Electric Power Co., is changing its name to UNS Energy Corp.
Gasoline prices in Arizona are lower at the pumps for the fourth consecutive week, with Tucson maintaining the lowest average price.
Here's the schedule for Saturday's spring Tucson Weekly Club Crawl. All stages are located along East Congress Stree and North Fourth Avenue.
Most Tucson Electric Power Co. customers will see their power bills rise by about $7 per month on average for at least the next year.
PEORIA — Hoping to draw cash along with sunrays, Peoria’s SunCatcher Project built near the Agua Fria power plant is on the selling block. KTAR Radio reports Salt River Project was partnered with Scottsdale-based Stirling Energy Systems on the Peoria SunCatcher project until Stirling went ba…
On a stage painted in blue light, with plumes of smoke drifting above, Trans-Siberian Orchestra pianist Vitalij Kuprij softly played the opening strains of the Overture to “Beethoven’s Last Night.”
Lower power sales at Tucson Electric Power Co. will continue to drive down revenue this year, says parent UniSource Energy Corp.
Tucson Electric Power has restored electricity in much of the
city, but 7,000 customers are still waiting for power to be
restored, officials say.
Halloween in Tucson is typically the time of year when summer
finally breaks and fall settles in with coolish temperatures and