Martin Lewis issues 'act today' alert to anyone with E.on, OVO and Octopus Energy / Martin Lewis warning to anyone on 7 tariffs from British Gas, OVO, EDF, EON and Octopus / State pensioners given free PS150 from British Gas, OVO, EDF and E.ON / British Gas, EDF, EON, OVO and Octopus customers face another energy bills hike / Energy retailer Ovo poaches Monzo finance chief amid talk of sale / British Gas, EON, EDF, OVO and Octopus customers must take meter readings at midnight / British Gas, EON, EDF, OVO and Octopus customers handed PS135 with one change / State pensioners with British Gas, EDF, EON or OVO set to lose PS308 / Energy supplier OVO to explore options including sale