In February 2014, the Arizona Republic's Ryan Randazzo wrote about a plan drafted by a political consulting group commissioned by the state's largest utility "to help APS change or alter the Arizona Corporation Commission".
Renewable Energy: An Overview - Biomass
The most important issue facing the goal of extensive biomass production in Arizona is the availability of land and water for such purposes. While land availability does not appear to be a problem in this state, water availability is.
More on bioenergy here.