Covering the 1 million-square-foot roof of a Walmart distribution center, these 14,000 solar panels will produce 30 percent of the building’s energy needs.

While touring a solar power generating station that will provide power to tens of thousands of Arizona homes, Interior Secretary Ken Salazar said Wednesday that America’s embrace of renewable energy will create jobs and boost the economy.

The federal government has approved the Sonoran Solar Energy Project, which will be built on public lands in Maricopa County near Buckeye.

A state Court of Appeals decision upholds the Arizona Corporation Commission's requirement that regulated electric utilities get some of their power from solar and other renewable sources.

Customers of Tucson Electric Power are being offered the chance to buy power from the company's newest solar plant.