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The Latest Developments in Domestic Market Share

The energy crisis contributed to the exits of 26 domestic suppliers, significantly impacting the landscape of the domestic market that we see today.

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We recently published our Q225 Domestic Market Share Survey report, providing a national and regional overview of the account position for domestic energy suppliers at 30 April 2025. The dataset also provides a historical summary of domestic energy suppliers account position since 2005, offering an insight into how the domestic market has evolved over time. In this blog, we discuss the most recent developments in the Q225 Domestic Market Share Survey report, looking at how small and medium suppliers market share has continued to fall over time, as well as British Gas’ recording its first customer growth since Q323.

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