Promoting energy efficiency and reducing greenhouse gas emissions in public infrastructures owned by Sibiu County Council. Our project aims to support energy efficiency, smart energy management and the use of renewable energy in public infrastructures located in Sibiu. The implementation of this project will bring significant benefits both in terms of energy saving that has a significant financial impact on the owner and in terms of environmental protection by using natural resources to produce energy. We chose to carry out this project because reducing energy consumption and energy efficiency is one of the main objectives of the European Union, and implicitly one of the objectives at national, regional and county level. The measures targeted by the project consist of deep renovation of public buildings located in