1. North-south links in the UK are already fully utilised. There are more in works and plans but not sure it’s enough to meet even existing demand. 2. Transmission losses are substantial.
"About 1.7% of the electricity transferred over the transmission network is lost" https://publications.parliament.uk/pa/cm201415/cmselect/cmen...
"About 1.7% of the electricity transferred over the transmission network is lost" https://publications.parliament.uk/pa/cm201415/cmselect/cmen...