1. Ph.D. Researcher, Earth and Life Institute, Université catholique de Louvain, Louvain-la-Neuve, Belgium (corresponding author).
2. Director, Power Systems Research, Rio de Janeiro, Brazil.
3. Senior Lecturer, Dept. of Management and Institutions, UNESCO-IHE, Delft, The Netherlands, and Institute of Environmental Engineering, Swiss Federal Institute of Technology, Zurich, Switzerland.