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Hinkley C is costing £92.50 per MWh in 2012 pounds, rising with inflation.

The Severn barage will be more, but it is a “first of type” demonstrator design and it is hoped that costs would be lower for future, larger projects.




Remind me again how many Severn estuaries we have in the UK.


Sorry, “thinko” there. I meant to refer to the proposed Swansea Bay tidal lagoon, which is promoted as a “pathfinder” project for other, larger lagoons.

The Severn barrage is, of course, much larger in scope and there isn’t any near-term proposals to develop it.




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