**About the Special Issue Editors**

**Rodolfo Dufo-L ´opez** Electrical Engineer, Ph.D., is Associate Professor of the University of Zaragoza in the Department of Electrical Engineering. He has been a university professor since 2004 (full time since 2010) and published more than 75 articles in journals with impact index JCR in the fields of renewable energy (PV, wind, grid-connected or stand-alone systems), electricity storage (advanced battery models) and other. He has more than 40 communications in congresses, most of them international. He is the co-author of four books and seven book chapters, participated in 10 R+D+i projects and 13 contracts and is author of a patent in operation (iHOGA software, web: https://ihoga.unizar.es/en/). He was the director of six doctoral Ph.D. theses, five final master's projects and more than 40 final degree projects. He has spent three months at the Institute of Systems and Robotics (ISR, Portugal, Portugal) and another four months at the Universite de Pau ´ et des Pays de l'Addour (UPPA, Pau, France). He has interest and experience in the generation of electricity through renewable sources (off-grid systems and grid-connected systems), advanced optimization techniques and storage of electrical energy (advanced battery models). Interests: renewable energy; electricity storage; advanced batteries models; net metering; energy management; optimization algorithms.

**Jos ´e Luis Bernal-Agust´ın** Electrical Engineer, Ph.D., is University Professor in the Department of Electrical Engineering at the University of Zaragoza. He has published 54 articles in journals with a JCR impact index, having reached an H index of 29. These publications have been referenced on 3325 occasions (without considering self-citations). He was the supervisor of eight doctoral theses, one of which obtained the extraordinary prize of doctorate of the University of Zaragoza, and two mention from the European doctorate. He has also presented more than 70 papers in conferences (most of them international). He is the leading researcher of a European project within the LIFE program, leading researcher of three national projects and Principal Investigator of two research projects financed by the University of Zaragoza-Ibercaja and one by the University of Zaragoza-Banco Santander. He has participated in several Spanish-Portuguese Integrated Actions and several national and regional projects. He is interested in renewable energy, advanced optimization techniques, energy management, electricity markets and optimization techniques.

*Editorial*
