Association "Energy Effiicnt Cities of Ukraine" (EECU) was founded in 2007 as a voluntary association of local authorities with aim to improve the quality of life of communities, ensure their sustainable energy development and protect the climate and environment by changing citizens behavior, implementing effective energymanagement systems, capacity building, finding innovative energy solutions and implementing the best practices in energy efficiency. Nowadays, EECU unites more than 90 Ukrainian municipalities from all regions of Ukraine. Also, EECU is a collective member of two largest European associations of local governments - "Energy Cities" and "Climate Alliance", Covenant Supporter since 2009, and the National Office for European Energy Award in Ukraine since 2018.