Wasserburg TW Run-of-River Plant

The run-of-river power plant Wasserburg power unit stands at the gates to the town of Wasserburg in Bavaria.

9,659 households

supplies the Wasserburg Triebwerk power plant

32,826 fewer
tonnes of CO2*

Fish bypass available

Dams & dykes for flood protection in the region

* Source: ENTSO-E Production 2017

The VERBUND Inn power plant Wasserburg was extended in 2009 with an additional power unit. Since then, a 5 MW turbine has supplied valuable, clean electricity produced from Bavarian hydropower. In a normal year, a total of 42.9 GWh can be generated.

The hydropower plants on the Inn comprise:

the machinery hall with the turbines
the weir systems for flood release
the dams and dikes for the accompanying flood protection, and,
if inland drainage has been disrupted by the dams, the pumping stations and ditches, which guarantee agricultural use that existed before construction of the barrage.
The VERBUND hydropower plants on the Inn are therefore not only plants for generating electricity but also ensure flood protection in the region. VERBUND also focuses on improving the ecological conditions at individual sites and on restoring natural river landscapes. We implement a large number of measures in this regard:

Creating continuity of flow with fish bypasses
Giving structure to bodies of water
Connecting tributaries
In order to guarantee habitats for fish with all their habitat requirements, management of the gravel banks in the near-natural fish bypass or below the dam stage is additionally carried out. The maintenance of sediment continuity through sediment management, a topic of the EU Water Framework Directive (WFD) for species conservation in man-made rivers, is also an important component for the long-term conservation of fish fauna.

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Owner	VERBUND Innkraftwerke GmbH
Operator	VERBUND Innkraftwerke GmbH
Commissioning	2009
Type	Run-of-river power plant
Country	Germany
Region	Bavaria
Waters	Inn
Output	05 MW
Annual output	42,900 MWh
Turbine	Kaplan
Connectivity	Fish bypass

Ecology & environmental protection

The Wasserburg power plant and the Wasserburg power plant power train are equipped with a fish bypass. Gravel spawning grounds in the tailwater of the Wasserburg stage have been ecologically enhanced in recent years, some old water systems redesigned and reactivated.

Together with the Rosenheim and Wasserburg district fishing association, VERBUND undertook land restoration measures around the Rosenheim and Wasserburg reservoirs. These activities make a big contribution to conserving and improving the varied and biodiverse “Inn ecosystem”. The shallow water zones in the dammed area are under conservation and were declared “Vogelfreistätte Innstausee bei Attel und Freiham” (Bird Sanctuaries Inn Reservoir at Attel and Freiham) by the Bavarian state government in 1982. The protected area begins 600 metres to the south of the dam stage and extends as far as the bridge at Griesstätt. The protected area encompasses 562 hectares of river and sedimentation areas, floodplain forest and steep forested banks.

Our latest conservation projects

The Wasserburg power plant train was constructed on the right bank of the Inn next to the Wasserburg power plant between the fish ladder and the ???? The generating water is taken from the headrace of the main power plant via an 11 metre-wide inlet structure, passed through the turbine and returned to the Inn. The Wasserburg power plant train serves as the main turbine, which is supplemented by the machines of the old Wasserburg power plant on the Inn at times of elevated water supply. The power house accommodates a four-blade Kaplan PIT turbine with a diameter of 3.65 metres. It achieves an output of 5 MW. It is coupled with a 5.55 MVA three-phase synchronous generator with a nominal voltage of 6.3 kV.