- 5 Stars for Unethical Behaviour, Moved away from these guys 2 years ago because their systems are useless and they're v. expensive. We found ourselves at their mercy again, through no fault of our own, following Tonik energy going out of business. We were automatically transferred to their most expensive tariff following a bulk migration of customers. They will not honour the previous tariff agreement we had with Tonik, will not backdate for the last 3 months and are charging us 163% more per month. Will be switching as soon as possible. Never thought I'd be back using them after we left the first bloody time! P.S. Don't bother calling, better to do online messaging, will save you so much faffing around.