Over 570 kW of the 5th generation Amonix system have been manufactured and installed over the last six years. The first three 20 kW units started operating in May of 2000. Since that time, additional units have been manufactured and installed for Arizona Public Service (APS), and for the University of Nevada, Las Vegas and Nevada Power Company. During this time, the units have produced over 3.7 GWh of grid power