Is Green Aviation Really Coming?

[flecc]

On a linked matter are you aware of any studies, hypothetical of course of a barrage over the 30 km at Dover?. The tidal effect would be considerable, as water would need to flow all the way around the top of Scotland...

Not a barrage, but there have been tidal flow energy studies at that site. Here's one such.

However, the usage and importance of the shipping lanes there would I'm sure rule out a barrage, locks would probably be unable to cope with such high traffic levels.

We'd also need a much higher Thames tidal barrier and extensive high sea walls downstream too.
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[oyster]

the UK buys and sells to and from France and Ireland

With, possibly, an increase in capacity of the Irish link if the Freshwater West to Ireland (not sure where) cable does get laid.

 

[Danidl]

With, possibly, an increase in capacity of the Irish link if the Freshwater West to Ireland (not sure where) cable does get laid.

Certainly. There are currently at least 3 Scottish NI and N Wales to dublin, this freshwater one you mention and there also an edf proposed Brest to Cork . There is a lot of capacity in the eastern part of the Atlantic for both wind and wave, and look now accross to France and a European super grid makes sense.