Delivery of complete electric equipment for high-efficiency long-wall complex for the voltage of 1kV & 0,5kV, including two transformer stations – one with the power of 1000kVA and voltage ratio 6/1kV and second with the power of 700kVA and voltage ratio 6/0,5kV, two maneuvering sets with the rated current of 1200A, flameproof contactor switch 500A, complete communication and interlocks system, visualization and remote control system with data transmission to the mine head, long-wall complex lighting system, supervision over assembly and start-up.