Complaints received by 'Big Six' UK energy companies 2018, per 100,000 customers

This statistic shows how many quarterly complaints each of the so-called 'Big Six' United Kingdom (UK) energy companies resolved per 100,000 customers, in 2018. Throughout 2018, Scottish Power received the most number of complaints per quarter over most of the period. This peaked in the first quarter at 3,581 complaints per 100,000 customers.

Quarterly number of complaints received by the 'Big Six' energy companies in the United Kingdom (UK) in 2018, per 100,000 customers

British GasEDF EnergyEonnpowerScottish PowerSSE
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Release date

February 2019


United Kingdom

Survey time period


Supplementary notes

Energy suppliers in the United Kingdom are required to provide quarterly figures detailing the nature and volume of complaints.

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Statistics on "Big Six energy suppliers in the UK"

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