In Noveber UK Govt announced Tidal Power is new renewal to be utilised. I agree with you we are so behind. I believe there was a study done on Bristol Channel but it was not proceeded with.
Wind power is inefficient and look at how its springing up
There are very many good companies on AIM eg ASOS: Clinigen, NCYT, RWS GBG . I do not think it is for UK to deny Ukraine NATO membership if they want it. Huge problems now on Gas Pipeline and indeed gasoline supplies