The substation is located in Piaseczno at Energetyczna Street 18. It serves as a node for the 220 kV transmission network and the 110 kV distribution network.
The scope of the contract “Expansion of the 220 kV switchgear at the 220/110 kV Piaseczno substation” includes:
Modernization and expansion of the 220 kV switchgear from the H3L configuration to H5 in the substation,
Modernization of the 110 kV autotransformer fields AT1 and AT2,
Construction of a new technological building for the 220 kV switchgear and 110 kV autotransformer fields,
Relocation of all technical infrastructure regarding secondary and auxiliary circuits from the 220/110 kV substation control building to the new technological building.