Three firms share project to revive 1920s Danube lock and hydropower plant

Neil Gerrard Senior Editor, Construction Briefing

12 January 2026

Three companies will share a €290 million deal to overhaul a 1920s double-chamber lock system and hydropower plant that sits on the Rhine-Main-Danube canal.

Porr, Habau, and Felbermayr will work as part of a consortium to overhaul the Kachlet Danube barrage in Passau, located in Lower Bavaria, Germany.

Passau is known as the ‘City of Three Rivers’ because it sits at the confluence of the Danube, Inn, and Ilz.

Porr said work on the…

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