The OP is a significant outlier - the UK average is around 7.4kWh/household/day[0], or 11.2kWh specifically for large households.

[0] https://www.britishgas.co.uk/energy/guides/average-bill.html

Are you commenting on this article? This person is in the UK. You can see it on their domain, their calculations using pounds, and then mention living in the UK multiple times in the "Our setup section".

I did try to make it clear in the article.

We're powering 2 x EVs, have two adults working from home full time, I have a server rack under the stairs, and we have a hot tub outside.

They explain in the article.