Hornberg Basin

The Hornberg Basin (German: Hornbergbecken) is the upper reservoir of the Wehr power station, whose lower reservoir is impounded by the Wehra Dam. It lies near Herrischried (Hornberg) and near the town of Wehr in the county of Waldshut in Baden-Württemberg on the dome of the Langer Eck, the highest hill in the Hotzenwald. It was opened in 1975, is only used to generate pumped-storage power and is operated by the Schluchseewerk.

Hornberg Basin
Hornberg Basin - Upper storage reservoir of the Wehr pumped hydropower station
LocationLandkreis Waldshut
Construction began1970–1975
Dam and spillways
Height (foundation)65 m
Height (thalweg)65 m
Length1715 m
Elevation at crest1050.00 m
Width (crest)5 m
Dam volume2200000 m3
Reservoir
Active capacity4.4 million m³
Surface area0.17 km2
Maximum length0.700 km
Maximum width0.300 km
Normal elevation1048.00 m
The Hornberg Basin from the air (31 Jan 2015).
The Hornberg Basin during renovations in November 2008

An addition to the existing Hornberg Basin was planned as part of building the Atdorf Power Station, but the effort was cancelled in 2017 by the local operating company EnBW.[1] With a length of almost one kilometre and storage capacity of 9 million m³ it would have been considerably larger than the present Hornberg Basin.

See also
  • List of dams in Germany

References
  1. "EnBW reprioritises its storage projects: The Atdorf pump storage project will not be pursued further". EnBW Company Website. EnBW. Retrieved 22 December 2020.

Literature
  • Festschrift Hornbergstufe der Schluchseewerk AG. November 1976
  • Peter Franke, Wolfgang Frey: Talsperren in der Bundesrepublik Deutschland. DNK – DVWK 1987, ISBN 3-926520-00-0.

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