¿Por qué más empresas generan su propia energía en EEUU? - 1 views
-
Ester Gisbert Alemany on 20 Sep 13According to Wall Street Journal, since 2006 the number of electricity-generating units at commercial and industrial locations has quadrupled from about 10,000 to 40,000. The strong growth can be explained partly by the falling prices of solar panels.