The project provided for:
- replacement of 17 sets of 500 kV open switchgear circuit breakers
- replacement of relay protection of 500 kV feeders
Design and engineering work to replace circuit breakers at 500 kV open switchgear and associated secondary switching equipment - Relay Protection and Automation Devices and PA devices to improve the reliability of the 500 kV open switchgear of Ust-Ilimskaya HPP and the Siberian UPS as a whole.