Severn barrage power schemes out for consultation

Energy secretary Ed Miliband short listed five options for tidal power schemes in the Severn estuary on Monday

By far the largest and most controversial project contained in the Energy Department (DECC) consultation is the Cardiff-Weston Barrage. This would cost around £20.9 billion and generate 16.8 terawatts hours per year or some 5% of UK’s electricity consumption. It could save some 7.2 million tonnes of carbon dioxide a year.

There are two proposals for impoundments, each adjacent to shorelines of the estuary. The Fleming lagoon, on the Wel

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