The Arizona Solar Center's mission is to promote the utilization of solar energy throughout Arizona. And in case you haven't noticed, in the past five or six years this usage in the state has skyrocketed.
Pool Pump, Tracking Array - Gallery
Leeson 3/4 HP DC motor, ETA Adapter, 1.5 HP pool pump that circulates 26,000 gallons per day in a 14 ft. by 28 ft. pool. Located at Lane & Ursula Garretts' home in Scottsdale, AZ. The PV Powered pool pumping system has paid for itself more than 3 times over, since installed in 1980.
660 Watts of PV power that runs the pool pump shown in the previous picture. ZomeWorks Tracker with 6 AstroPower modules. Considerably less expensive now, systems of this type, are giving 20% or more tax-free return on the installed cost.