US Energy Secretary Tours 6.4-MW Rooftop Solar Array in Las Vegas

A new solar project on the roof of the Mandalay Bay Convention Center is the second largest rooftop solar array in the world.

http://www.renewableenergyworld.com/rea/news/article/2014/10/us-energy-secretary-tours-6-4-mw-rooftop-solar-array-in-las-vegas?cmpid=SolarNL-Thursday-October23-2014