This report presents the dollar view of the current status of sustainable energy development, including both the renewable energy (RE) and energy efficiency?(EE) sectors. The analysis is based on the different types of capital flows and their movement over time, combined with regional and sectorial trends. The implications for all stakeholders of this rapidly evolving capital build-up are examined. The information is intended to provide financiers and policy makers with an overview of the status and drivers of the sustainable energy market development to help them weigh their commitments to the sector.