Milford Hydro

53°00′7″N 1°28′46.3″W / 53.00194°N 1.479528°W / 53.00194; -1.479528Commission date1908Thermal power station Turbine technologyHydroelectricPower generationNameplate capacity150 kw/h

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Milford Hydro is the name given to a hydro-electric power plant built on the River Derwent in Milford, Derbyshire.

The original electrical power plant was installed between 1907 and 1908 by John McDonald and Company of the Bridge Turbine Works, Pollockshaws^[1] to power the English Sewing Cotton Company works at Milford Mills. The previous water wheels were replaced by two turbines described as centre discharge horizontal Achilles of the American pattern which each generated 340 h.p.^[2] They operated off a 14 feet (4.3 m) fall of water and were of double wheel type with a diameter of 42 inches (1.1 m). Each turbine discharged 16,000 cubic feet (450 m³) of water per minute. The first turbine provided power for the operation of mill machinery, and the second turbine was used for lighting. The total cost of the works was £5,500 (equivalent to £725,300 in 2023).^[3]

The power plant was refurbished by Derwent Hydro in 2020 with a new turbine of the same capacity as the old one.^[4]

References

^ "Milford Industrial History". Derbyshire Times. England. 11 July 1908. Retrieved 7 January 2023 – via British Newspaper Archive.
^ "New Turbines at Milford Mills". Derbyshire Advertiser and Journal. England. 10 July 1908. Retrieved 7 January 2023 – via British Newspaper Archive.
^ UK Retail Price Index inflation figures are based on data from Clark, Gregory (2017). "The Annual RPI and Average Earnings for Britain, 1209 to Present (New Series)". MeasuringWorth. Retrieved 7 May 2024.
^ "Our Sites". Derwent Hydro. Retrieved 7 January 2023.