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Kirkthorpe Weir and Hydropower Station

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In 2015 Yorkshire Hydropower Limited and Barn Energy, began the construction of a new low head hydropower station adjacent to the Grade II listed Kirkthorpe Weir and Sluice Gates, on the River Calder, Wakefield. The hydropower scheme will use the flow of the river to power a single 500kW axial turbine to generate approximately 2.3 million units of electricity per year. 
 
During November 2016 Wessex Archaeology carried out a photographic survey of the Grade II listed weir and sluice gates as part of the works, when the opportunity to record the structure arose during a time when an unprecedented amount of the structure was visible. 
 
The extant weir and its sluices were constructed in 1827, replacing an earlier original weir dating to the early 18th century, and was granted Grade II listed status in 1986. The weir was constructed at Kirkthorpe as part of the Aire and Calder Navigation, when in 1699 an Act was passed in Parliament to improve the navigability of the River Calder from Castleford to Wakefield, essential for trade and the development of the area. 
 
The weir and its sluices have remained largely intact for the last 200 years almost and are the property of the Canal and Rivers Trust. The construction of the new hydropower station symbolises a new era for the site.
 
The new hydropower station was officially opened on 13 March 2017 by Sir John Armitt, Deputy Chairman of the National Infrastructure Commission, in a ceremony at the site which Wessex Archaeology were kindly invited to. We are privileged to have been part of such a fantastic project.
 
Further information on the prestigious project can be found at:
 
By Lucy Dawson, Project Manager
 
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