That sounds horrible, even in Europe deceptive and abusive tactics towards taking people's money are a constant hazard. I can't imagine trying to exist without even what little protection we have.
Utilities have to argue for rate increases and get them approved by regulators, so they’re not just dropping fees on top of everything as they please from month to month.
Really nobody should assume that their service is flat rate with a slope down to $0/month if you consume 0kWh. There are fixed and marginal costs in every service like this.
Do regulators ever reject rate increases that the utilities ask for?