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PSH Černé jezero

Černé jezero (translate to english Black lake) is greatest of glacial lake in Šumava. The lake is at a height 1008 meters above sea level. Maximum depth in lake is 40,6 m.

The first pumped storage hydroelectric in Czechoslovakia was built at years 1929-1930.
The power plant was equipped with one Pelton turbine with 1.5 MW installed capacity. They added another Pelton turbine with an installed capacity of 370 kW in 2004.When is the peak of demand for electricity energy the pump draws up to 400 l / s (0,4 m3/s). After water swapping, level of Black Lake rises only 8 cm.
They ceased to draw water in 1960. Due pollution of water in Black Lake from Úhlava river. Now power plant Černé jezero produces electric energy, but without use pumps

They built too storage reservoir near village Hamry. The reservoir is at a height 745 meters above sea level. The dam was equipped with one Kaplan turbine with installed capacity of 40 kW

Photos

Černé jezero Černé jezero Černé jezero Černé jezero Černé jezero Hamry dam
Hamry dam Hamry dam Hamry storage reservoir Hamry storage reservoir Water lock

Power plantČerné jezeroHamry
Flow Černý stream Úhlava
Catchment area 1,286 km2 ?
Year of commissioning - 1930
Surface area 18,43 ha 1 ha
Capacity 2 878 000 m3 25 000 m2
Average depth 15,6 m 2,5 m
Height of dam - 15 m
Length of dam - 64 m
Width of dam - 1,2 m
Number of spillway fields - 3
Installed capacity 1,87 MW 0,040 MW
Annual generation (total)
1,179 Gwh
Operator ČEZ Obnovitelné zdroje ČEZ Obnovitelné zdroje
Number of turbines 2 1
Type turbine Pelton Kaplan
Absorption capacity of the turbine 0,80 m3s a 0,14 m3/s ?
Impeller diameter 850 mm a 440 mm ?
Hydraulic head 247,7 m ?

Map


View pumped-storage hydroelectric Černé jezero on the larger map.

Source of technical parameters:
ČEZ obnovitelné zdroje

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