About First Utility

First Utility is the largest independent energy supplier with more than 450,000 customers. It was founded in 2008. As well as energy the company supplies phone and broadband services to consumers and business customers.

First Utility is now the fastest growing supplier in the UK. It has recently campaigned to reduce switching times for energy customers.

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First Utility customer satisfaction survey results

Area of performance Star rating
Which? customer score
Customer service
Value for money
Helping you save energy

First Utility customer score

In September and October 2015 we surveyed 8,902 UK adults who pay for their household energy, about their experience with their gas and electricity suppliers.

The percentage customer satisfaction score is based on the responses consumers gave for both overall satisfaction and their likelihood to recommend the energy supplier to a friend. Both questions are given equal weighting, and only those giving a valid response to both questions are included in the analysis. The responses are analysed and scaled to give a rating from 0-100%.

For a full round-up of the Which? Switch energy satisfaction survey results, see our customer satisfaction survey results page.

First Utility fuel mix disclosure

All energy suppliers have to provide information about the mix of fuels they use to generate energy supplied to gas and electricity customers, together with its environmental impact.

First Utility fuel mix

Coal: 52.3%
Natural gas: 30.7%
Nuclear: 4.7%
Renewable*: 8.3%
Other: 4.0%
* Wind, hydro and solar power.

Contact Information

Customer service - 01926 320 700

Contact Which? Switch by phone

You can call us on 0800 410 1149 or 01259 220 235.

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Energy Customer Satisfaction Results

Tired of poor customer service from your energy supplier? See how customers rated 25 of the UK's gas and electricity suppliers in 2016.

Latest tariff updates

Tariff updates are provided by Energylinx. Energylinx is fully accredited to the Confidence Code to compare energy for domestic consumers.

About Which? Switch

Which? Switch provides consumers with a transparent and impartial way to compare energy tariffs and find the best gas and electricity provider for your needs.

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