British Gas, EON, Octopus, EDF and OVO customers issued PS237 freezer message / British Gas, Octopus, OVO, EON and EDF customers told to unplug 5 appliances as bills rise / Martin Lewis warning to anyone on 7 tariffs from British Gas, OVO, EDF, EON and Octopus / British Gas, Octopus, OVO and EON customers urged to check for automatic PS150 / Martin Lewis updates British Gas, EON, EDF and OVO customers over axing PS340 charge / British Gas, EON, Octopus and OVO customers given PS100 for one change / British Gas, EDF, EON, OVO and Octopus customers face another energy bills hike / State pensioners have 'days left' to get PS150 from British Gas, EON, EDF or OVO / Martin Lewis warns British Gas, EDF, EON and Octopus customers 'take photo' by Thursday' / Martin Lewis warns British Gas, EDF, EON and Octopus customers not to break law today