The project will be implemented in Pruszcz Gdański, Gdańsk County, Pomeranian Voivodeship. The modernisation works will consist of: 1)Exchange of light sources in: (a)SP No 3 (ul. Jan Matejko 1), (b)ZS nr 4 (ul. Jan Kasprowicz 16), (c)ZS nr 4 (ul. Defenders of Westerplatte 30), (d)ZS Nr 4 (ul. Kochanowski 8), 2)Thermal modernisation of public buildings, i.e.: (a)ZS No 4 (ul. Kochanowski (8). 3)thermal modernisation of municipal buildings included in the resources of the Municipal Property Department, i.e. buildings located at: a) ul.Powstańców Warszawy 2, 3, 30, b) ul. Polski War 54. Energy audits and energy efficiency audits for each building have shown that they have low energy efficiency and require urgent work. The main objective of the project is to improve the energy efficiency of the systems in the above-mentioned buildings. After the project, the primary energy will be reduced by 345986.11 kWh/year and 223.32 tonnes of CO2 equivalent.