Are you kidding? It most certainly is not. One of those companies tried to siwindle my ex out of £600!
Electricity costs are far higher than most people can pay, so if you can pay them you're incredibly lucky. Everyone I know is leaving their heating off and freezing in sub-zero homes. If this isn't you you have wealth the majority lack.
Why on earth are you doing this? As if you aren't aware of these things? Prices of houses, food, electricity, everything has skyrocketed all over Europe, it's **** all to do with Brexit.
It's like you don't gaf about poor people and believe they're just lazy grunts who won't work for a minimum wage, which you seem to think would support them to rent and grocery shop. It doesn't.