• Replacement of ES3-A porcelain insulator strings chains with composite insulators on the 132 kV Tiszalök – Nyíregyháza transmission line
• Number of columns: substation portal: 2, tension tower: 18, support: 101
• Replacement of 50 mm2 type AcIII (type of wire) protective conductor with ACSR 50/30 mm2 protective conductor over 30.925 km of track