El Hierro: an island 100% energetically self-sufficient with 100% renewable sources - Alconza - We have been designing and manufacturing motors and generators for over 60 years.
El Hierro – the little-known Canary island powered by renewable energy | The Independent
Wind-Pumped Hydro - Gorona del Viento El Hierro, S.A.
Spanish Island to be Powered by 100% Renewable Energy
El Hierro -- How an Island Can Serve as a Model for Renewable Energy
El Hierro covers its electricity demand for 24 days in a row with wind energy | REVE News of the wind sector in Spain and in the world
Energies | Free Full-Text | El Hierro Renewable Energy Hybrid System: A Tough Compromise