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Behind The Build
Innovative Archimedes Screw Prototype for Renewable Energy Leader FreeFlow 69
Able Engineering is proud to be manufacturing a next-generation Archimedes screw prototype for micro hydro power specialist FreeFlow 69, supporting the advancement of efficient, low-carbon renewable energy solutions in the UK.
FreeFlow 69 are recognised as a market leader in micro hydro renewable energy systems, designing solutions across private, commercial and small industrial sectors. With over a decade of expertise, their work spans both modern and traditional technologies.
The prototype features a steel shaft combined with flights, a design engineered to deliver a lighter, more cost-effective and energy-efficient alternative to traditional screws.
Able Engineering has been selected as the UK manufacturing partner, building on an established relationship where Able produces FreeFlow 69’s high-quality stainless steel water wheels. This ongoing collaboration reflects a shared focus on precision engineering, durability and scalable production.
Smarter Design for Modern Hydro Power
The introduction of light weight flights marks a key innovation in the design. By reducing overall weight and optimising material use, the system offers:
Improved installation efficiency and handling
Reduced manufacturing costs
Enhanced operational performance
Lower overall material consumption
A standout feature of this design is the integration of a slide sluice valve with a built-in debris guard directly within the transition inlet. This enables precise control of water flow while preventing debris from entering the system, reducing the risk of blockages and unplanned downtime.
By combining these elements into a single, compact solution, the design simplifies installation, improves operational reliability, and lowers ongoing maintenance requirements. Making it particularly well-suited to real-world river environments where consistency and resilience are critical.
This modern approach reimagines a proven technology, making micro hydro power more accessible and commercially viable across a wider range of applications.
Supporting the Transition to Low-Carbon Energy
Archimedes screws are a well-established method of generating electricity from flowing water, particularly suited to low-head hydro sites. Their ability to generate consistent, renewable power with minimal environmental disruption makes them an increasingly important solution in the shift towards sustainable energy infrastructure.
Innovations like this prototype play a critical role in expanding the adoption of clean energy systems, helping organisations reduce carbon emissions while making use of natural, renewable resources.
End-to-End Micro Hydro Expertise
FreeFlow 69 provide a fully integrated service, guiding clients through every stage of their renewable energy project from initial consultation and design, through to planning, manufacturing, installation and commissioning. Their expertise partnered with Able Engineering’s manufacturing capabilities ensures each system is optimised for maximum performance and long-term reliability.
A Trusted UK Manufacturing Partner for Renewable Energy Projects
For Able Engineering, this project reinforces its position as a trusted UK manufacturing partner for renewable energy and engineering innovation.
With extensive experience in stainless steel fabrication, precision engineering and complex assemblies, Able supports forward-thinking companies in bringing new technologies to life, delivering high-quality, reliable solutions at every stage of production.
Looking to develop or manufacture a renewable energy solution?
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