Unless you are prepared to move HVDC the costs are immense for moving AC cabling under the sea. The reason we use pylons is be cause there is a massive energy drain if you place cables in the ground over long distances. This problem is near doubled in losses if you place the cables in water.

Can’t MPs learn a little about search engines. We have kids getting smarter every generation because they have such good access to information, and yet some MPs are still stuck in the middle ages.