Find out which U.S. cities have seen the fastest growth in tech salaries, plus how much renewable energy use has grown, and more of this week'…
OPINION: "I was concerned about the impact on individual ratepayers and the fact that the data had not been provided to the Arizona Corporation Commission," writes Tucson native Chairwoman Lea Márquez Peterson.
The increased use of renewable energy sources will pass on savings to consumers. The cost of electricity is also projected to decline in the next three decades, albeit gradually.
Texas Gov. Greg Abbott and other Republicans are facing flak for blaming renewable energy sources as the culprits of the state's power outages.
With the dramatic expansion of renewable energy technologies over the last decade, power sources like wind, solar, and geothermal have offered a more sustainable—and increasingly more affordable—path forward.
The Arizona Corporation Commission rules mandate 100% carbon-free power by 2050, but the panel rejected a specific mandate for renewable energy like solar and wind.
OPINION: "Climate change courts economic disaster by disrupting insurance and mortgage markets, pension funds, and other financial institutions," says contributor Edward Beshore. "Small wonder we stick our head in the sand when the conversation turns to climate change."
The 250-megawatt Oso Grande Wind project, expected to go online by the end of November, will be by far TEP's largest renewable-energy resource.
The Los Angeles City Council is exploring a clean energy partnership with the Navajo Nation following the closure of Arizona's Navajo Generating Station, once the third largest carbon emitter in the U.S.
The Western Energy Imbalance Market automatically draws on the least-cost generating option available to meet short-term variations in customers' power usage.
A German company and a Swedish startup are testing the use of a special kind of salt to store heat. If successful, it could solve a problem posed by renewable energy sources the world over.
But TEP says it has no plans to leave the Utility Air Regulatory Group, which has worked against new clean-air rules and is subject of a congressional probe.
The Arizona Corporation Commission denies bid for 15-year contracts for renewable-energy plants qualified under federal law.
Arizona regulators are looking at changing decades-old rules requiring utilities to buy power from certain renewable energy facilities, amid a…
TEP's wants to keep funding for energy-saving incentive programs unchanged through 2020, though it says it will fall slightly short of the state-mandated savings.
The sheep will eat vegetation that grows beneath and around the solar panels that could otherwise block the sun and inhibit solar power production.
AG office says if penalty paid, issue will be resolved.
Effective ban on natural gas plants is extended to August.
New rules to smooth interconnection of renewable generating sources, include emerging customer-owned battery systems.
Learn how to unplug and grow plants, fish and energy in a free workshop.
Anti-APS feeling is spilling into renewable energy, attorney general and ACC races.
The initiative would require utilities to obtain half of their power from renewable sources by 2030.
A Southern Arizona group opposing clean-energy measure reports first contributions from UniSource Energy Corp.