The objectives of the project or operation are consistent with the Operational Programme of the European Commission 2014-2020 and the Implementation Plan of the Operational Programme of the European Commission 2014-2020, PO 4, PN 4.1, Specific Objective 1. Increasing energy efficiency in the public sector. The main objective of the project is the integrated energy renovation of the three buildings of SB Trbovlje. The integrated energy renovation carried out will achieve greater energy efficiency, which will lead to energy savings, which will contribute to sustainable use of energy, to the reduction of greenhouse gases and thus to environmental protection. At the same time, energy savings will also mean reducing energy expenditure in buildings.