Replacement of pump with fish-friendly Stork BVOP-120 pump turbine.

Bilfinger has replaced the existing pump in the Krimpenerwaard with a fish-friendly Stork pump that can also operate as a turbine for energy generation. The pump turbine has been designed and manufactured in accordance with NEN 8775 (>97% fish‑friendly). The turbine mode is also designed to be fish-friendly, continuously generating 47 kW at a head of 3.4 meters.

Scope of the conversion to a BVOP 120 fish‑friendly pump turbine:

- New hydraulic impeller design
- Manufacturing and assembly of the pump
- Production of a prefab concrete spiral housing
- 280 kW Permanent Magnet motor
- On-site installation, IBS and SAT