The Triple-A Interactive Web-based Database is a visual representation of the most important aspects in energy efficiency financing, including the risks that could endanger the successful implementation of an energy efficiency project, the strategies that could mitigate these risks, the preferences of investors on energy efficiency investments, the financial performance of energy efficiency projects, the models and instruments that are usually used to finance energy efficiency projects and the performance of case study countries in terms of Sustainable Development Goals. The Triple-A methodology is focused on and reports information about the 8 case study countries for which respective data have been collected, namely Bulgaria, Czech Republic, Germany, Greece, Italy, Lithuania, Spain and the Netherlands. However, it could be extended to more countries.