San Bernardino County, California, Ivanpah Solar Project, NRG Energy, a thermal electric generating facility, Mojave Desert. 173,500 heliostats, sets of mirrors, focus sunlight on three towers where w... - Jim West - 2010s,2016,alternative energy,alternative power,America,Brightsource,California,concentrating solar power,csp,desert,dusk,EBF,Economic,Economy,electric,ELECTRICAL,electricity,energy,eni,environment,en