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
Labour pledge to tackle four key barriers in UK energy transition
I'm all for clarity and would welcome anyone who can enlighten me about what Labour's plans are for the size and scale of this Great British Energy....