The new hydro unit is contributing to the plant’s current working capacity of 3,200MW.

The Sayano-Shushenskaya hydropower plant is currently working at its half capacity with five units of 640MW generating electricity.

RusHydro, the operator of the hydropower plant currently is assembling a new unit for the project.

The company intends to replace the two of the four old units, which were decommissioned earlier.

The rehabilitation of the hydropower plant will encompass commissioning of three hydro units by 2014 and subsequently furnishing the plant with new equipment.

RusHydro contracted Power Machines in November 2009 to produce basic equipments to restore the plant.

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Under the terms of the agreement, Power Machines will produce ten hydropower turbines, nine 640 MW hydropower generators and six excitation systems.

Four excitation systems and one new generator were produced and installed at the plant after completing the renovation work in 2010.

The plant’s efficiency has reached 96.6% and the useful life of the units has been extended to 40 years and the companies also improve the energy and cavitation features of the plant.

A protection system will be fitted on the turbines which will shut down the unit in case of any deviations from the controlled parameters.