Gizeldonskaya HPP – is one of the oldest power plants of Russia. And probably one of the most beautiful in North Ossetia.
The HPP is located in deep Dargavskoye gorge inside which the Gizeldon river goes down for 300 m creating ideal conditions for construction of a derivation power plant.
The HPP started to be built in 1927 and was put into service in 1934. Since then the HPP has been reliably working without considerable modernizations. However its equipment is outdated and planned to be replaced in the nearest future.
The power plant is equiped by three hydraulic units, its capacity amounts to 22,8 MW.
Modernization has already been started in fact. On the picture above are unique pelton turbines.
The pelton turbines of the power plant are pretty much different from ordinary water turbines – turbine wheels are driven not by a solid stream of water but by separate water jets which hit the buckets. Such turbines are very efficient for high-heads.The water head of the Gilzedonskaya HPP is the highest in Russia – 289m.
Tip of the regulator which blocks the nozzle from which the water flows (on the way to the turbine buckets).
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