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Project Blog

Below are the latest posts from all of the Renewables First Project Blogs. See the Project Summaries page for an introduction to each project.

Kenningstock Mill – Robert Rice

Kenningstock Mill – Robert Rice

Having taken over my aunt’s converted watermill in Cornwall in 2011, we inherited what must have been one of the first hydro schemes installed in the South-West. The first decision we had to make was whether to update the existing scheme, or replace it with a more efficient modern turbine.

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David & Caroline Legge – Curlew Hydro Scheme

David & Caroline Legge – Curlew Hydro Scheme

Having long dreamed of a hydro installation on our private burn, we sought high and low for a company who were willing to take on a smaller scale scheme which remained viable. Renewables First happily stepped in to accommodate us, providing a positive feasibility study and secondly going on to carry out and manage all aspects of the scheme.

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Renewables First Celebrates a Year of Achievements in 2016

Renewables First Celebrates a Year of Achievements in 2016

2016 was a very productive year for Renewables First, as it played a key role in a number high-profile hydropower and windpower schemes throughout the UK. The year also saw the installation of two GoFlo self-cleaning screens on hydropower sites, by our sister company, GoFlo Screens Ltd.

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Cochwillan hydro power scheme installed by Renewables First

Cochwillan hydro power scheme installed by Renewables First

The Cochwillan hydro scheme utilises a large GoFlo self-cleaning screen located on the water intake. GoFlo screens are fully automated and self-cleaning screens, with a rotating mesh that scoops debris out of the water and deposits it in a trough to be flushed downstream of the turbine.

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Case study: Freemans Reach Hydro Scheme

Case study: Freemans Reach Hydro Scheme

Renewables First was hired to undertake a full hydro feasibility study for the Freemans Reach hydro scheme, as well as the detailed design of the hydro scheme and fish passes. Renewables First also provided hydro engineering support during construction, as well as commissioning the scheme.

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Case Study: Buckfast waterwheel hydroelectric scheme

Case Study: Buckfast waterwheel hydroelectric scheme

Our work on the Buckfast waterwheel underlines our capability to provide intelligent refurbishment of sites, assessing existing equipment, and where possible retaining sound infrastructure and integrating new technology to achieve either energy capture improvements, reduction in manual intervention, or compliance with new environmental best practice.

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Shenfield Mill Archimedes screw turbine

Shenfield Mill Archimedes screw turbine

The Shenfield Mill Archimedes screw turbine will have a maximum generating capacity of 60kW, which would be sufficient to meet the annual electricity needs of approximately 78 English homes. The scheme will also involve the construction of an intake, discharge and turbine channel adjacent to the Weir, construction of a generator building and reinstatement of landscape and a planting scheme.

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Radyr Weir hydro scheme commissioned

Radyr Weir hydro scheme commissioned

The Radyr Weir hydro scheme located on the River Taff, South Wales, is now fully completed and operational. The 2 x 200 kW Archimedes screw turbines, with their combined capacity of 400 kW, were commissioned in December 2015.

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Nant Peris hydro scheme completed

Nant Peris hydro scheme completed

This 350 kW Pelton turbine on the Afon Gafr, Nant Peris, will generate around 1,100,000 kWh per year, equivalent to powering roughly 333 UK homes (based on a median UK consumption of 3300 kWh, EST 2012), as well as a carbon saving of around 473 tonnes per year.

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