Arizona Public Service Co. has announced that it plans to produce all of its electricity from carbon-free sources by 2050 and will get 45% of its power from renewable sources like solar and wind by the end of this decade.
This is a good improvement from the point of view of sustainable energy. There are still a lot of details to be worked out such as the role that distributed energy will take. Will APS APS improve its policies in regard to residential and small commercial systems.
There are several good news articles and the APS press releases on this announcement: