PARK CITY, Utah -- Cabinet members of the Obama administration vowed on Monday to help Western states develop a robust system for delivering renewable power.

The United States, like any forward-thinking investor, needs to diversify its energy portfolio. The country is not going to be able to drill its way out of this energy crisis; oil will not save us.

Arizona Public Service residential customers will pay 88 cents more on their monthly electric bills to cover the higher cost of renewable energy under a program approved by state utility regulators.

Ignoring threats by a company to pack up and leave, a House panel voted late Tuesday to overturn the renewable energy mandate on utilities by the Arizona Corporation Commission.

State utility regulators took the first steps Thursday to mandate the use of more expensive renewable energy, comparing it to requiring seat belts in cars and forcing children to eat their broccoli.

Attorney General Terry Goddard has certified new Arizona Corporation Commission rules designed to promote the use of more solar, wind, and other renewable energy sources in Arizona.

WASHINGTON (AP) — The Obama administration on Thursday identified 17 sites in six Western states as prime candidates for solar energy projects on public lands, continuing a push for solar power despite the high-profile bankruptcy of a solar panel maker that received a half-billion dollar federal loan.

More than 192,000 acres of land in Arizona is being dedicated to utility-scale renewable energy projects.

With scientists saying that global warming could increase everything from hurricanes to heart attacks, Valley utilities are expanding opportunities for their customers to purchase green power that avoids the burning of fossil fuels.

Arizona utilities continue to roll out projects to use renewable resources such as solar, wind and biomass, but the state lags far behind the nation as a whole in the use of renewable energy sources to produce electricity.

Arizona utilities continue to roll out projects to use renewable resources such as solar, wind and biomass, but the state lags far behind the nation as a whole in the use of renewable energy sources to produce electricity.

At the Southern Sunset Plaza on the southeast corner of Southern Avenue and Country Club Drive, the gas station, the Radio Shack and the furniture store have emptied out.

State utility regulators are free to require utilities to buy or generate power from solar, wind and other sources, even if that costs their ratepayers more, the Arizona Supreme Court ruled Tuesday.

State utility regulators are free to require utilities to buy or generate power from solar, wind and other sources, even if that costs their ratepayers more, the Arizona Supreme Court ruled Tuesday.

A draft plan on the solar potential of federal land identifies three Arizona sites encompassing nearly 14,000 acres as highly suitable for energy development.

Dale Whiting: The debate over the future of U.S. energy policy has become more vocal. Opponents of carbon emission cap-and-trade claim implementation will increase the average home energy bill by $1,700 per year.

The outcome of next month's race for the Arizona Corporation Commission will determine how much more solar and other renewable energy electric utility consumers will have to buy.

Arizona has plenty of sun and just as great a need for new housing.

The Salt River Project board of directors approved a plan Monday to increase the utility’s use of renewable energy to supply its electricity customers.

Renewable energy is all the rage these days. With gasoline prices rising, with greenhouse gases and global warming at the forefront of public concern, the lure of pollution-free energy from windmills, photovoltaic solar panels and geothermal wells has never been stronger.

Scottsdale has received the governor’s top award for energy efficiency for its landmark Green Building Program.

Scottsdale has received the governor’s top award for energy efficiency for its landmark Green Building Program.

A draft alternative energy plan prepared by the staff of Salt River Project proposes that the utility acquire 15 percent of its electricity from sustainable energy sources such as wind and solar by 2025, up from 2 percent now.

KNOXVILLE, Tenn. - The Tennessee Valley Authority, faced with growing electricity demand and rising coal costs, asked regulators Wednesday to renew construction permits for two unfinished nuclear reactors it virtually abandoned 20 years ago.