https://www.nationalgrid.com/the-great-grid-upgrade
Approx 10GW down the east coast alone in various stages right now, jumping the current bottleneck (B6) between Scotland and England...
Also see:
* https://wind-curtailment-app-ahq7fucdyq-lz.a.run.app/
* https://renewables-map.robinhawkes.com/#5/55/-3.2