Expansion of the 220 kV outdoor switchgear (2 cells) of the 500/220 kV Aktogay substation, 35 kV overhead power lines and 220 kV overhead power lines as part of the connection of the 50 MW Abay 2 wind farm and the 100 MW Abay 1 wind farm to the 220 kV outdoor switchgear of the 500/220 kV Aktogay substation. Design and estimate documentation. Working project.