On March 18, work connected with the replacement tap on Jupiter station belonging to Tauron S.A. was completed. During the work the worn switch type PO-250 was replaced with a new type VIII200Y produced by Maschinenfabrik Reinhausen. Due to weather conditions, the transformer was transported to a closed heated hall with a crane. In addition to the exchange of the switch, seals, valves, oil level indicators and Buchholz relays have also been replaced. It was also necessary to modify the pipes of the oil system. After transporting the transformer to the workstation measurements , oil treatment and assembly of motor drive system was carried out with the transfer. The work lasted a total of 11 days.