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Our recent switching data reveals that 527,000 customers successfully changed supplier in July 2019. This marks a 12% increase compared to July 2018, and ranks July as the month with the third highest number of successful switches in 2019, after March and April’s historic high.

Switches started also increased notably compared to the same time last year. 677,000 switches started occurred in July 2019 translating as a 28% increase on July 2018. This was the second highest number of switches started in one month in 2019, falling short of the 764,000 that began in March.

According to switch type, the Big Six performed well compared to previous months. Measured against data since January 2017, established suppliers lost fewer customers to challenger brands than the monthly average over the past 31 months and achieved their highest ever gain of customers moving away from challenger brands. Although 176,000 Big Six customers moved on to small and medium suppliers, 82,000 customers moved from challengers to the Big Six, overshooting October 2018’s figure of 81,000 switches by only a few hundred customers.

Customers switching between Big Six suppliers was at 144,000, a 20.5% increase on July 2018, and switches between challengers hit 126,000, a 43% increase on July 2018.

For more information on switching figures, contact Ian Scougal at [email protected] or Paul Linnane at [email protected]



The above figures relate to electricity switching in Great Britain only.

Switches started refers to the number of valid switches started, also known as switches raised.

All data is provided by ElectraLink’s Energy Market Insights (EMI)

ElectraLink has been granted the governance protections to hold, transfer and analyse switching and other data.