1. Proposal of a Colombian refrigeration potential map based on solar powered absorption cooling systems2. Evaluation of Univariate Time-Series Models for Short-Term Solar Energy Forecasting3. Carbon-based perovskite solar cells: The future photovoltaic technology4. Design and instrumentation of a batch type bioreactor for the organic fraction fermentation of urban solid waste5. Design of Combustion Equipment for Residual Biomass at Laboratory Scale6. Towards the Hydrogen Economy in Paraguay: end-uses of green hydrogen potential7. Analysis of Two-Dimensional Airfoils Models as Harvesters of Energy8. Environmental and ecotoxicological impact of alternative energies: An Improvement's opportunity for Latin America9. Design and Implementation of a web-based Residential Energy Assessment Platform: A Case Study in Cuenca-Ecuador10. Analysis and Evaluation of Energy Efficiency in Buildings based on Building Information Modeling11. Strategies to reduce energy curtailment in a power system with high penetration of renewable energy, case of study San Cristobal - Galapagos12. Energy and economical study of different renewable energy technologies for domestic hot water production under the climatic conditions of the main cities in Ecuador13. Impact of the Biodiesel blend (B20) strategy "Club de Biotanqueo" (Biofueling Club) on the social-economic and environmental aspects in Medell璯, Colombia