British Gas, EON, Octopus and OVO customers given PS100 for one change / Octopus battles B.C.'s bomb cyclone in ocean floor video / British Gas, Octopus, OVO, EDF and EON customers hit with PS1,736 warning / British Gas, OVO, EDF, EON, Octopus customers warned they have hours to avoid PS149 hike / Martin Lewis says E.on, Octopus, British Gas customers should 'act now' / British Gas offers PS1,700 to state pensioners on EDF, EON, Octopus and Ovo / Martin Lewis PS900 warning to state pensioners on British Gas, EDF, EOn, Octopus and more / British Gas, EOn, EDF and Octopus customers will receive PS400 after law change / Martin Lewis 24-hour 'act now' warning to British Gas, EOn, EDF and Octopus customers / British Gas, EDF, EON and Octopus customers warned 'do not act' until Monday