- design, implementation and implementation of the tram infrastructure maintenance project in Gdańsk (116 tkm of catenary, 13 traction substations, power dispatch, 70 electric switches)

- works on the railway line No. 354 Poznań Główny POD - Piła Główna

- works on the E-20 railway line, section Koło - Poznań (sections: B2C, B2E, B2M)

- works on the railway line No. 96 on the section Grybów - Kamionka Wielka

- works on the railway line No. 136 on the section Kędzierzyn - Opole

- works on the railway line No. 409 Szczecin Gumieńce station

- works on the railway line No. E 59 on the Bojanowo - Leszno section

- replacement of secondary circuits in 31 fields of the 15 kV switchgear at the 110/15 kV Brwinów substation.

- replacement of secondary circuits in 28 fields of the 15 kV switchgear in the 110/15 kV Serock substation.

- replacement of fast switches in 26 fields of the 15 kV switchgear at GPZ Szczytno station.

- replacement of fast switches in 23 fields of the 15 kV switchgear at GPZ Mrągowo station.

- replacement of the EW Włocławek main own switching station.