My comment wasn't implying that importance of wind in the UK energy mix (or lack of investment in nuclear) is specifically the reason for high costs but I agree that government policy is indeed to blame.

As to whether the cause is Tory ban of onshore wind- I'm skeptical. I don't think wind is any cheaper than gas once you include the necessary energy storage capacity- especially when there is huge amounts of gas sitting under the north sea which the new Labour government is planning to ban pumping: https://www.forbes.com/sites/gauravsharma/2024/07/12/sudden-...