POST - Parliamentary Office of Science and Technology

Environmental Impact of Tidal Barrages

Published Thursday, June 6, 2013

A tidal energy barrage across the Severn Estuary could produce up to 5% of the UK’s electricity demand. It would help meet renewable energy targets but would have significant environmental impacts. This POSTnote summarises evidence on environmental impacts associated with the operation of tidal energy barrages and the effectiveness of compensatory measures.

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A tidal energy barrage across the Severn Estuary could produce up to 5% of the UK’s electricity demand. It would help meet renewable energy targets but would have significant environmental impacts. This POSTnote summarises evidence on environmental impacts associated with the operation of tidal energy barrages and the effectiveness of compensatory measures.

POSTnotes POST-PN-435

Author: Jonathan Wentworth

Topics: Biodiversity, Electricity, Environmental protection

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The Parliamentary Office of Science and Technology produces independent, balanced and accessible briefings on public policy issues related to science and technology.