Štěchovice Reservoir () is a reservoir on the Vltava River in the

Central Bohemian Region The Central Bohemian Region ( ; ) is an administrative unit () of the Czech Republic, located in the central part of its historical region of Bohemia. Its administrative centre is in the Czech capital Prague, which lies in the centre of the regio ...

of the

Czech Republic The Czech Republic, also known as Czechia, and historically known as Bohemia, is a landlocked country in Central Europe. The country is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the south ...

. It was built from 1937 to 1945 as the second stage of the Vltava Cascade. The reservoir is named after the market town of

Štěchovice Štěchovice is a market town in Prague-West District in the Central Bohemian Region of the Czech Republic. It has about 2,200 inhabitants. Administrative division Štěchovice consists of three municipal parts (in brackets population according ...

. The construction started before World War II and because of the need for electricity resources were allocated for the project in spite of general shortage. The power station was put in action in 1943. The reservoir had flooded St John's Rapids (''Svatojánské proudy''). The main role of the reservoir is to balance the water runoff from peak-load power station at Slapy Reservoir and to propel two Kaplan turbines with total installed power 2 x 11.25 MW (Štěchovice I). A

lock Lock(s) or Locked may refer to: Common meanings *Lock and key, a mechanical device used to secure items of importance *Lock (water navigation), a device for boats to transit between different levels of water, as in a canal Arts and entertainme ...

(20.1 m difference between water levels, length 118 m) handles ships with displacement up to 1,000 tons. The reservoir is also used by the pumped-storage hydroelectric plant Štěchovice II whose upper reservoir was created on the top of hill Homole. The plant was set in operation in 1947 and closed in 1991 due to obsolescence. From 1992 to 1996 a new hydroelectric plant using the reservoirs was built. This plant uses reverse Francis turbine with power 45 MW. During 2002 floods the turbines of both power plants were severely damaged. After overhaul the plants were put back in production in 2004 and 2005 respectively.

Technical parameters of the reservoir

* height of the dam: 22.5 m * length of the dam arch: 124 m * held back water stretches 9.4 km * reservoir area: 95.7

hectare The hectare (; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm2), that is, square metres (), and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. ...

s * water capacity: 11.2 million m³ * located on 84.4 km of the river

References

External links

Overview on website of the operator, ČEZ
(en, cz, de)

(in Czech)

(in Czech) {{DEFAULTSORT:Stechovice Reservoirs in the Czech Republic Hydroelectric power stations in the Czech Republic Prague-West District Buildings and structures in the Central Bohemian Region Dams completed in 1944