The Scand Engineering Group (SEG) won the tender and entered into an agreement with NATEK Invest-Energo JSC for the reconstruction of the NXPLUS C switchgear, in particular the expansion of the existing switchgear and the replacement of installed current transformers in two outgoing cells. The contractor performs the following work: construction and installation work of two high-voltage cells number K35 and K36 using lifting mechanisms; commissioning works of two high-voltage cells number K35 and K36; high-voltage tests of two sections of tires (Section of tires No. 1 and No. 2); dismantling, installation and commissioning of current transformers at the bushing type 4MC4530XD in two high-voltage cells No. K23 and No. K24 (total number of 6 pieces); checking, setting up relay protection and automation devices of the Siprotec 7SJ6222 brand in the amount of four pieces on the cells No. 23, 24, 35, 36; laying of communication cables (type Ethernet) from mounted cells to network equipment; removal of construction waste and packaging material from mounted equipment.