Initially a Severn tidal barrage was proposed that would stretch across the Bristol Channel from lower Cardiff in Wales to Weston-super-Mare in England. This project would have produced 5% of the energy needed for the UK, but had the potential for damaging shipping and wildlife. An alternative proposal to build a Severn tidal fence in the same area would produce less energy but allow shipping to continue unimpeded and would be better for the local wildlife. The tidal fence would still produce more energy than the Sizewell B nuclear power plant. ...
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Initially a Severn tidal barrage was proposed that would stretch across the Bristol Channel from lower Cardiff in Wales to Weston-super-Mare in England. This project would have produced 5% of the energy needed for the UK, but had the potential for damaging shipping and wildlife. An alternative proposal to build a Severn tidal fence in the same area would produce less energy but allow shipping to continue unimpeded and would be better for the local wildlife. The tidal fence would still produce more energy than the Sizewell B nuclear power plant. ...