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Hydropower screw

Landustrie Hirschthal Swiss 2 709x375

Landustrie hydropower screw

Renewable energy from running water

The Landustrie screw pump has been used to pump water for decades. But this proven technology has received a sustainable upgrade. Thanks to innovative modifications, the same screw pump can now also be used as a generator - even at low decay rates.

When flowing water flows down through the auger, it sets the auger in motion. This rotational movement is converted into renewable green energy. A quiet, fish-friendly and reliable way to generate energy 24/7.

Features

The Landustrie hydropower screw operates based on a proven natural principle: flowing water sets the screw in motion. Positioned at an inclined angle in the direction of the river flow, water enters the screw automatically. The combination of head (potential energy) and flow (kinetic energy) starts the screw’s rotation.

This rotary motion is transmitted via a gearbox to a generator, which generates electricity. The larger the head or flow rate, the more energy is generated. The power generated can be used directly locally or fed back into the grid.

Thanks to its relatively low rotational speed (20-50 rpm), operation is quiet, fish-friendly and low maintenance. The system also operates at varying water levels or flow rates and maintains its efficiency even at only 20% of the design flow rate.

This makes the Landustrie hydropower screw a smart and robust solution for generating renewable energy at low head locations.

Landustrie Penllergare United Kingdom 1 710x375

Advantages

High efficiency
Fish-friendly and environmentally friendly
Quiet in operation
Energy source available 24/7
Low civil costs
Long service life

Quick installation and short payback period
Robust design and low maintenance
Remote control
CO² saving
Option: hydropower screw pump - combination of pumping water and generating energy

Downloads

Brochure Landustrie hydropower screws

Landustrie Hydropower station River De Dommel 3

Related projects

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Windsor Castle weir (UK)

Two Landy hydropower jacks at the Romney weir, in the River Thames, generate power for both the royal palace and 400 local households. The jacks are 4 metres in diameter and 6 metres long. A unique feature of the jacks is their 5-passage design where normally a jack-up would have 2 or 3 passages. As the augers are fish-friendly, fish migration remains possible.

Landustrie Penllergare United Kingdom 1

Penllergare (UK)

Next to the waterfall in the Penllergare Valley Woods Nature Reserve(near Swansea, Wales), a Landustrie hydropower auger has been installed. The auger has a length of 11 metres and generates energy for the visitor centre in the area.

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Colmar, Alsace (F)

In the river Ill located near Colmar in Alsace, France, a hydropower plant has been realised with two Landy hydropower weirs. The existing weir has been completely renovated and will supply around 250 households with green electricity with the new 190kW plant.

Landustrie Sneekermeer 1

Steinsau weir, Alsace (FRA)

The existing Steinsau weir on the River Ill near Erstein (Alsace, France) is equipped with six LANDY hydropower weirs. The weir dates from the late 19th century and ensures that the downstream regions of Erstein and Strasbourg do not flood at high tide. Part of the restoration and renovation of the weir was the installation of screw turbines to generate renewable energy.

Landustrie Hydropower station River De Dommel 2 710x375

Weir Dommel (NL)

In spring 2016, construction started on the new hydropower plant in river Dommel near Sint-Michielsgestel (North Brabant). On 13 September 2016, the existing weir in the river was fitted with a Landustrie hydropower screw turbine that will generate renewable energy for about 200 households as a power generator.

Heudreville Sur Eure 27 V2 710x375

Heudreville-sur-Eure (FRA)

In the French river l'Eure, the 2-metre drop is used to generate about 1.5 GWh of renewable electricity annually with the help of two hydropower jacks. The jacks, manufactured and supplied by Landustrie, are 3.8 metres in diameter and can handle 7.45 m3 of water per second.

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Totnes (UK)

In Totnes, Devon, an existing weir has been fitted with two Landustrie hydropower jacks. Both jacks can generate renewable energy for about 400 households. The jacks are 3.7 metres in diameter.

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Havannah weir, Cheshire UK

For the Havannah weir, located in a new inlet of the River Dane, near Congleton (Cheshire, UK), Landustrie supplied a Landy hydropower auger. This sustainable green project is an initiative of Dane Valley Community Energy, in partnership with Derwent Hydro Developments Ltd.

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