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OAO Irkutskenergo Completes Replacement of Runners at Bratskaya HPP Project

At the end of December of 2010, the period of controlled operation of turbine unit#13 at Bratskaya HPP is expiring. This is the last unit to be replaced as a part of the investment program of OAO Irkutskenergo on increasing reliability and efficiency of plants’ equipment which stipulated the replacement of turbine runners installed first and launched since 1961 to 1964. As a result of the overhaul of the first 5 units with installation of new runners, in October Bratskaya HPP produced additionally 1,066 mln kWh of power.
At the beginning of October 2009, the sixth and the last runner for turbine unit #13 was delivered to Bratsk from Saint-Petersburg by a special flight of An-125 ‘Ruslan’. In January 2010, the thirteenth turbine unit was turned off for overhaul. During the year, the turbine unit was fully disassembled, all its circuits, details and mechanisms were repaired and then, after the reassembling with installation of the new runner and its testing the turbine unit #13 was put into service on November 30.
The investments in runners’ replacement totaled 560 mln rubles; the added production of power at 6 turbine units can reach the level of 815 mln kWh a year. Bratskaya HPP will produce more power using the same volume of water due to the installation of new runners and thus partly replace the energy of coal power stations of the region which emit CO2 into the atmosphere. While Kyoto protocol is in effect (2008-2012), the added production of Bratskaya HPP due to usage of new runners will total 3.5 bln kWh. The project implementation will allow to reduce greenhouse gas emission from the coal-operated plants of the region to 4 mln tons which is equivalent to 4 mln emission reduction units (ERU, market certificate active under Kyoto protocol). The monitoring performed by specialized audit company Bureau VERITAS showed that only in 2008-2009 the project implementation the coal-powered plants reduced emission of the region by 920 thousand tons of CO2.

Press service of OAO Irkutskenergo
December 27, 2010
December 27, 2010
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