Original: The Nellis Solar Power Plant was the largest solar photovoltaic system in North America , Nellis activates Nations largest PV Array ( until the completion of the DeSoto Next Generation Solar Energy Center in October 2009 ) and is located within Nellis Air Force Base in Clark County , Nevada , on the northeast side of Las Vegas .
Simplified: The Nellis Solar Power Plant is the largest solar power plant in North America , and is located within Nellis Air Force Base in Clark County , Nevada , on the northeast side of Las Vegas .