Hydraulic engineering


RZGW Wrocław

Delivery, installation, commissioning of 2 devices for fish behaviour control – Neptun on the upper and lower water of the SHP in Nysa.

Sinop Energia, Brazil

Delivery of the NEPTUN barrier to the UHE Colider hydropower plant.

Hydro Exploitation, Switzerland

Delivery, installation, commissioning of the NEPTUN electric-electronic barrier at the water intake for pumped storage, Lake Geneva in Veytaux, Switzerland.

Rice Creek Watershed District, USA

Delivery, installation and commissioning of two Neptun fish guidance systems on Rice Creek River.


We design and install the NEPTUN fish behaviour control systems all over the world.
The full list of projects is available on