This report by the International Renewable Energy Agency (IRENA) focuses on the potential of sector coupling to facilitate the integration of variable renewable energy in cities, with a specific focus on the Greater Metropolitan Area of the Central Valley of Costa Rica. The report highlights the importance of urban energy transition in achieving sustainable development, energy access, energy security, and low-carbon economic growth. The report also emphasizes the need for international cooperation and the role of IRENA as a platform for knowledge sharing and action on the ground. The report is based on a review of existing literature and expert inputs, and provides recommendations for policy and technology development in the region.