Nope that's not how it works. Unfortunately in North America we are so brainwashed that we forget that mass protests really work.
Yet another reminder of American Exceptionalism
Maybe not cut off, but it's how you end up on a pre-pay meter rather than monthly billing.
There are ways around this for the energy companies.
The recent Canada convoy protest was both in NA and a mass protest. How much change has that brought?
lol I'd forgotten about that
1. You cannot do that without bumping the price for the few remaining customers.
2. In some EU countries you would have problems with human rights legislation.
1. You can if you make the reasonable prediction that the overwhelming majority of protesters won’t (or can’t) stick to their pledge in the face of actual service shut-off.
...and even if they did, most likely it'll be so fragmented that it won't have an impact. UK has population of around 67 million. 180k of pledges right now doesn't even make it 0.025%. It's probably not enough to turn off energy in one apartment per apartment building.
It's not so easy. No idea about the UK, but for instance in France you cannot turn off electricity, heating, or expell a tenant during the winter months because it's considered inhumane.