THE POSSIBILITY of a ten-mile barrage across the River Severn to generate up to 5 per cent of the UK's electricity has moved a step closer after it was included on a government shortlist of five schemes for harnessing tidal power in the estuary. Two schemes for innovative tidal lagoons on the English and Welsh coasts and two smaller barrages are also shortlisted. The tides in the Severn estuary are the second highest in the world. Over the past year, a feasibility study has investigated ten options, assessing the costs, benefits and environmental challenges of using the estuary to generate power.
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