Several letters on renewable energy have made the point that wind is not reliable, but then include tidal energy schemes in the same breath.
We have 24-hour tidal energy available around the British coastline.
A large number of (small, simple) machines in suitable positions could produce continuous power several times greater than that intermittently produced by the Severn barrage.
Richard Buchanan
London
UK Enters ‘Golden Age of Nuclear’
The delay (nearly 8 years) in getting approval for the Rolls-Royce SMR is most worrying. Signifies a torpid and expensive system that is quite onerous...