After more than two years of hard work from renewable energy advocacy groups, the Arizona Attorney General approved the state's renewable energy standard (RES) on Friday, requiring Arizona utilities to generate 15 percent of their electricity from renewable resources by 2025.

"The Commission will either make a decision that will allow there to be a solar market in Arizona or it will make a decision that will utterly devastate the solar program." --Adam Browning, Executive Director, Vote Solar Initiative