This volume brings together contributions dealing with renewable energies and power quality, presented over five years of the International Conference on Renewable Energy and Power Quality (ICREPQ). It contains a selection of the best papers and original contributions presenting state-of-the-art research in the field of renewable energy sources. Including some of the leading authorities in their areas of expertise, the contributors to the volume are drawn from across the globe, with about 300 authors from 60 different countries.