There has been a mill on the site of Guildford Town Mill since at least 1649.[4] From 1770, an additional water wheel was being used to pump water to the town reservoir on Pewley Down.[4] This was replaced by two water turbines in 1896, then a single turbine in 1930, in use until 1952 when itself replaced by electric pumps nearby. In 2003, Guildford Borough Council arranged for the refurbishment and installation of an identical turbine as an example of renewable energy. Rather than pumping water, this turbine drives a generator to supply up to 260,000 kWH of electricity into the National Grid, annually.[4] The turbine came on-line in 2006.[5] (The 1930 turbine has since been preserved, and may be viewed at Dapdune Wharf).[4]
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