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<p>Hydropower accounts for approximately 2% of total electricity generation in the UK. Most current deployment is in a small run of river projects which tend to be relatively expensive.</p><p> </p><p>Studies in Scotland, England and Wales indicate that there is a maximum remaining technical potential of around 1.5GW for small-scale hydro, including existing weirs.</p><p> </p><p>Economic and environmental constraints mean that in practice the viable remaining resource is less than 1GW, which represents less than 1% of total generation capacity, so is not a significant contributor to the Government's future generation plans</p> |