Octopus overtakes British Gas as Britain’s largest household energy supplier

Company grew share of market to 23.7% of households in Great Britain by end of 2024, says Cornwall Insight Octopus Energy has become Britain’s largest household energy supplier for the first time, toppling British Gas almost four decades after it was privatised under Margaret Thatcher.The energy company grew its share of the market to 23.7% of households in Great Britain by the end of last year, according to latest figures, less than a decade after it was founded by its chief executive, Gr