The recent flagship initiative "Energy Union" and the roadmap proposed therein will influence the day-to-day life of citizens and ways of doing business in the EU. Tthe concept of "one-stop shops" should be further developed for investors and public administrations alike with regard to administrative simplification and blending of financial instruments, particularly in buildings, energy infrastructure and waste management. The objective of this workshop/debate is to present the latest information available at EC level on the implementation of Operational Programs (OPs) at Member State level regarding the Low-Carbon Economy, particularly linking this with the experiences at national and regional level, focusing on 2nd tier cities and on the strategies/programs which contribute to this aspect.Target audience:- EU, national, regional and local policy/decision makers- Authorities managing and evaluating cohesion policy programmes and projects- Other stakeholders: private companies, financial institutions, European and national associations- Academics, students and researchers