CETEOR was sub-contracted by Eco Ltd (E Co.) for the project „Western Balkan Countries Residential Energy Efficiency Market Assessment“, conducted for the World Bank. The implementation period of the project was from February 2021 to December 2021. CETEOR’s role in the assignment was to collect and digest information about energy efficiency in the residential sector in Bosnia and Herzegovina, including policy and market information, energy parameters, and barriers to investment.