The Nuttall Complex Fire in 2004

A Sky Crane helitanker retrieves fire retardant from tanks at a mixture base before making another run at the Gibson Fire outside Safford.

Cold weather boosts 1Q profit at Tucson Electric parent

Tucson-based UNS Energy Corp. posted higher first-quarter earnings today as cold weather boosted energy demand.

Blaze damages home, trailers and car NW of Tucson

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.

PCC, Tucson Electric to offer energy jobs training with $1.8M grant

Tucson Electric Power Co. and Pima Community College will use a $1.8 million federal grant to expand local energy-industry job training programs.

Solar panels to provide lots of cool, shady airport parking

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 potential vast, technically

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.

Wind power potential vast, technically

WASHINGTON - Earth has more than enough wind to power the entire world, at least technically, two new studies find.

Tucson solar firm makes push into Japan

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 tech: Creative solar programs earn TEP top industry award

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.

Govs seek to sell US electricity to Mexico

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.

Review: Styx, REO Speedwagon are perfectly imperfect

On a night when you wished the band would have taken its time getting on stage, Styx started on time.

Tucson Electric parent company changing name

UniSource Energy Corp., the publicly traded parent company of Tucson Electric Power Co., is changing its name to UNS Energy Corp.

Arizona gasoline prices fall for 4th week in row

Gasoline prices in Arizona are lower at the pumps for the fourth consecutive week, with Tucson maintaining the lowest average price.

Club crawl: map and schedule

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 customers to see bills rise

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.

Arizona solar energy project for sale

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…

Review: Trans-Siberian Orchestra brings fire and sizzle to Tucson show

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.”