“Musk said the Gigafactory will be “heavily powered” by wind and solar energy”
http://forococheselectricos.com/2014/02/nuevos-detalles-de-la-mega-fabrica-de-baterias-de-tesla.html
http://green.autoblog.com/2014/02/21/sun-wind-could-power-tesla-gigafactory-ev-batteries-nevada/
