OREANDA-NEWS.  Nizhne-Bureyskaya HPP OJSC (a subsidiary of RusHydro JSC) and Power Machines OJSC have signed a contract to supply four hydropower units each having a capacity of 80 MW for Nizhne-Bureyskaya HPP. Power Machines OJSC having offered the best technical and economical solution won a tender which preceded the contract signing.

In accordance with the contract terms Power Machines are to design, manufacture and supply four sets of hydropower units equipment each comprising an adjustable-blade turbine complete with automated control system, a hydrogenerator with excitation system as well as auxiliary equipment to the customer. Besides, Power Machines will install the hydropower units to the hydropower plant.

The commissioning of the Nizhne-Bureyskaya HPP hydropower units is scheduled for 2015 to 2016. The plant's hydroturbines will have environmentally-friendly design: the impeller cavity where the blade turning mechanism is located will not be filled with oil which eliminates the possibility of oil leakage into the water.

Nizhne-Bureyskaya HPP is a compensating reservoir of Bureyskaya HPP and the second plant of the Bureyskiy hydropower facility. The plant has a rated capacity of 320 MW (4 hydropower units). Its average annual output is 1,650 million kWh. In addition to power generation, another important function of Nizhne-Bureyskaya HPP consists in levelling of irregular discharges from Bureyskaya HPP during the day, as well as the prevention from human settlements flooding. Nizhne-Bureyskaya HPP has been constructed since 2010 and the plant's erection is one of the priority projects of RusHydro JSC Investment Program.