Firm at a loss at thanks to hottest spring since 1885

OCTOPUS Energy Group has swung to a hefty annual loss as it revealed a hit of more than £100million from lower energy demand due to warmer weather.

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The firm, which runs Britain’s biggest gas and electricity supplier with 7.6 million customers, reported a £260.1m loss for the year to April 30 against profits of £77.6m the previous year. It blamed the UK’s hottest sp