The object of the project is the reconstruction of the technology of the substation Světec, its technological and construction parts and subsequent distributions of high voltage (vn) and low voltage (nn), including connection to the traction line. The reconstruction will be carried out in the form of construction of a new operating building in a prefabricated design. As part of the project, a switching station of 3 kV DC will be set up in the railway station. Bílina for the purpose of improving operating conditions of the power supply of the traction line and increasing line throughput.