As the largest global generator of renewable electricity, hydropower helps reduce dependence on finite supplies of fossil fuel and meet renewable energy targets. Despite such benefits, hydropower schemes can still have significant environmental impact. For example, they can disrupt natural flow and sediment regimes, fragment habitat for aquatic organisms and injury / kill fish that pass downstream through turbines. As the drive to utilise hydropower resources continues (e.g. 644 new schemes came online in the UK between 2010 and 2015), research at ICER aims to assess and mitigate negative environmental impacts.


Impact of Archimedes Screw Turbines on fish migration

Impact of a novel hydropower device on fish survival

The role of stakeholder conflict in hydropower development


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