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Barrage baloney!

Nick Jeffries (Letters last week) falls into the trap of believing that the Severn Barrage will be expensive because NCE reported a misleading forecast that this would be so.

What he should have asked is: how this conclusion could be correct for a technology which is run-of-the-mill, on a huge scale, in exactly the right place grid-wise and close to optimum in terms of use of the available space for the necessary power generating equipment.

This scheme is certainly not too large to meet our present requirements for renewable energy – only 5% of 2020 target – and it is not grandiose in terms of turbine size, caisson size, barrage length etcetera, all of which have been much exceeded long ago elsewhere.

The wind-power industry is rising to a much larger international demand for its services. The barrage will add the equivalent of some 5,000 of those machines to our energy targets. What's the problem?

- TOM SHAW, Ston Easton, Bath BA3 4DN

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