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The future of solar power is looking up in Tucson—up to the rooftops of large public buildings. Tucson Electric Power will lease space on the roofs of schools and other buildings to build solar power arrays, company officials said. Read more»

Rendering of the planned UniSource headquarters, looking south.

A new $60 million headquarters building for UniSource Energy will bring 360 more workers downtown in a solar-powered, energy efficient structure, the company said Thursday morning. Read more» 1