Plans afoot for 4 new subsea electricity cables between Scotland and England in the next ~10 years.

Mainly needed to transport wind power from Scotland to England.

From @ng_eso Network Options Assessment (NOA) (illustrative routes)

1/

https://www.nationalgrideso.com/research-publications/network-options-assessment-noa#what
Cost range for the four HVDC links is *£6.5 billion to £8.5 billion* total.

Total cost of recommended projects ("Proceed") is £13.9bn.

2/
Despite significant new transmission across Great Britain, @ng_eso notes:

"constraint costs still forecast to rise significantly over the next decade"

"we are engaging with BEIS, Ofgem and industry for alternative ways to manage constraint costs in short/medium term"

p.7

3/
In recent @Policy_Exchange report, we argue local/nodal electricity pricing is key

Investment in transmission incredibly important, but also must send right locational signals to market participants - incl. to unlock regional flexibility/storage

4/4 https://twitter.com/ed_birkett/status/1335844672070176768
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