The Arizona utility, serving 400,000 customers in and around the desert city that bears its name, is awaiting approval of the contracts from the Arizona Corporation Commission and expects to begin receiving electricity from the projects in 2011 or 2012.
The projects include: fixed solar photovoltaic (PV) arrays with capacities of 35MW, 25MW and 5MW; single-axis tracking PV arrays with capacities of 12MW, 4MW and two of 5MW each; a concentrating PV (CPV) plant with capacity of 12MW and two others of 2MW each; a 2.2MW
