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RusHydro begins spillway replacement at 30-MW Yegorlykskaya hydro plant

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Russian conglomerate JSC RusHydro has begun constructing a new spillway at its 30-MW Yegorkykskaya hydropower plant as part of a rehabilitation and modernization effort at its projects along the Kuban River.

RusHydro (LSE: HYDR) said the new spillway will be used for water discharges, replacing
Yegorkykskaya's existing 50-year old spillway of lower capacity. Work on the project is expected to cost about US$6.5 million and will be completed by the end of 2014.

The new spillway will have a capacity of 120 cubic meters, giving the plant a total pass-through capacity of 250 cubic meters. RusHydro said rate is sufficient to withstand even extreme flooding.

The Yegorkykskaya project was completed in 1962 and includes a 1,320-meter-long landfill dam, intake canal, spillway, discharge canal and turbine building that houses two generating units.

RusHydro is currently rehabilitating seven conventional hydropower plant and one pumped-storage project that comprise the Kubanskiye cascade. The effort is being conducted in partnership with Alstom Hydro under a 2011 agreement. The comprehensive modernization program also includes a new automated centralized control center at Nevinnomyssk.

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