The project concerns the implementation of the installation of renewable energy sources including: 5 photovoltaic installations on municipal buildings in the commune and the city of Kościerzyna, in addition to private residential buildings in Kościerzyna commune, 100 photovoltaic installations, 129 solar installations and 48 air heat pumps. The objectives of the project shall be: — improving air condition in the commune and the city of Kościerzyna and limiting the impact that these units have on the air in other areas, through the use of energy from renewable sources produced in distributed generation; — reducing greenhouse gas emissions related to the operation of private housing and municipal buildings from the municipality and the city of Kościerzyna.