British Gas, EDF, EON and Octopus customers urged to make PS258 change before July / Octopus Energy told to pull 'misleading' energy switch ads after British Gas complaint / Octopus Energy issues 'act now' message as customers to be cut off / Octopus Energy hits back at wind firms' 'untenable' attack on zonal pricing / Octopus Energy customers given PS676 after daily charge ditched / Octopus Energy turns profit for second year running as its tech arm surges / Octopus Energy issues stark warning to Ed Miliband as gas bills surge / British Gas and Octopus Energy giving PS2,200 to state pensioners / Octopus Energy launches scheme in Scotland promising no bills for 10 years / Octopus Energy hands pensioners PS200 lifeline after winter fuel axe