Also ban businesses from leaving their building lights on overnight. Most businesses do this and its hugely wasteful.Some people have large families or need medical equipment hooked up how is that fair?
Ban Netflix's etc from 2000-0600 turn the internet of for domestic users from 2000-0600.
Quite easy to do if you have a smart meter, sign s register of your vulnerable to be exempt.
Put a tax on high energy item like graphics cards, ban all psu over 300w.
Ban the sale of obscene TV's I grew up with a massive 20" TV.
Stop shops from leaving items and lights on when closed