AdvertisementTiny Spanish Island Nears Its Goal: 100 Percent Renewable Energy04:33Download AudioResumeSeptember 28, 2014Lauren FrayerfacebookEmailFive industrial wind turbines form part of the Gorona del Viento power plant on the island of El Hierro. By the end of this year, the power plant is set to generate 100 percent of the energy El Hierro needs, making it the world's first energy-independent island powered only by renewables. (Lauren Frayer for NPR)