The following case studies demonstrate how different countries have successfully implemented energy efficiency policies across various sectors. These real-world examples are designed to support policymakers by offering practical insights into what works, under which conditions, and why.

Each case study highlights specific policy instruments—such as regulations, information campaigns, or financial incentives—and shows how they have been applied in different contexts. They provide evidence on the outcomes achieved, lessons learned, and the challenges encountered during implementation. Readers are encouraged to explore the case studies by sector, policy type, or geographic region using the filters provided. 

Case studies bridge the gap between theory and practice. They offer concrete examples that can inspire adaptation and replication of successful approaches elsewhere. By learning from the experiences of others, countries can design more effective energy efficiency policies tailored to their own national or local contexts.