Hydroelectric weir facility with green roller gates and cascading water in an alpine river valley, TIWAG Runserau power plant, Austria

Renovation and Modernization of Weir Gates

Customer:

Tiroler Wasserkraft AG (TIWAG)

Location:

Runserau, Austria

GermanyCorporateAustria

Markets:

EnergyHydro power

Scope:

Engineering, procurement, fabrication, installation & commissioning
Steel Hydraulic Engineering: Fabrication and installation of two new roller gates with flap and side shields
Electrical, Instrumentation, Control and Automation Technology: Including hydraulic cylinders and reinforcements
Replacement of the link chains of the third weir gate
Contract Duration: 2026–2030

Services:

Rotating Equipment

Steel Hydraulic Engineering — Weir Gates

Total weight: approx. 195 t (scope of supply)
Individual weight: 79 t per weir gate
Dimensions: 14,160 × 2,175 × 10,640 mm (W × D × H)
Lifting logistics: deployment of a 650 t mobile crane
Installation during ongoing plant operation

Added Value:

The Runserau weir facility had reached the end of its technical service life. Bilfinger delivered a complete end-to-end solution — from engineering and procurement through fabrication, installation, and commissioning — from a single source. The result is long-term safe and reliable plant operation, with installation carried out during ongoing operations to minimize downtime. The project continues a decades-long partnership between Bilfinger and TIWAG, ensuring a future-ready facility for hydropower generation.