Aubach Run-of-River Plant

VERBUND power plant Aubach is a run-of-river power plant situated on the Isen river and located in the municipality of Neuötting in Bavaria.

Man in the kitchen

290 households 

supplies the Aubach power plant

Conscious of the environment

986 fewer
tonnes of CO2*

Fish bypass

The construction of a fish bypass is currently being planned.



Certified according to ISO 14001


*Source: ENTSO-E Production 2017

Thanks to the construction of the Neuötting power plant on the Inn between 1948 and 1951 and the related damming of the Inn, it was necessary to relocate the tailwater return of the Isenwerk in Winhöring towards the east. The extension of the waterbody with side dams created a gradient towards the Inn, whose energy is used by the Aubach power plant. The small power plant can thus supply around 300 households with electricity generated entirely from hydropower.
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Image from the Location

Owner VERBUND Innkraftwerke GmbH
Operator VERBUND Innkraftwerke GmbH
Commissioning 1952
Type Run-of-river power plant
Country Germany
Region Bavaria
Waters Inn, Isen
Output 01 MW
Annual output 1,276 MWh
Turbine Kaplan
Connectivity Fish bypass
Environmental protection at VERBUND

Ecology & environmental protection

A fish bypass is currently being built for the run-of-river power plant at Aubach.

 All 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,
• 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 electricity generation 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: from creating continuity of flow with fish bypasses through to giving structure to bodies of water and 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.

Our latest conservation projects
A vertical Kaplan turbine with a diameter of 30 cm processes 10.5 m³ water/second at 167 revolutions/minute. An output of 422 hp is achieved with a head of 3.5 metres.