Energy supplier performance results

Performance results for 3rd quarter 2016. July to September


How to use this chart to help you choose an energy supplier

The most important piece of information is in the column marked “Complaints reported to consumer bodies per 100,000 customers” . Select a few of the suppliers with a low complaints ratio, then go to an OFGEM Accredited Comparison site to see which one of these suppliers is offering the cheapest online tariff.

Choose a supplier which has:

  • Fewer complaints
  • Been established for a reasonable period
  • Fully recorded figures
  • Offers a cheap online tariff


Energy Supplier Ratings and Reviews

SupplierEstablishedComplaints recorded by supplier per 100,000 customersComplaints reported to consumer bodies per 100,000 customersScore out of 100
SSE, Scottish Hydro, Southern Electric, SWALEC, Ebico, Atlantic, M&S Energy1998157727.295
British Gas, Sainsburys198615187985
Scottish Power19902252446.365
Utility Warehouse20021783133.280
iSupply20121438Not recorded *20
Green Energy200134Not recorded *30
LoCo22009419Not recorded *25
Spark Energy2007935438.660
Good Energy2002569176.680
Flow Energy2013877120.475
Co-operative Energy2010840679.155
OVO Energy200979*90.355
Green Star Energy2013705459.955
Economy Energy2012649420.455
Extra Energy2014654*1505.720
Better Energy2011583Not recorded *55
Octopus Energy2015238Not recorded *40
Zog Energy2013139Not recorded *40
Places for People Energy2015Unclear. Not recorded in the same manner as other suppliers *1950
E Energy2013142 Not updated for current period2755
Avro Energy2015Not recorded *Not recorded *10
Iresa Energy2016Not recorded *Not recorded *10
GB Energy Supply2015Not recorded *Not recorded *10


This data has been compiled with information from Citizens Advice Bureau, Energy Ombudsman and OFGEM.

* Marked information has not satisfied our investigation into the results. These results have been made available to OFGEM

Complaints recorded by supplier per 100,000 customers

Most of the complaints in this column are not serious complaints. Some of the suppliers probably even record the fact they have a customers name with the wrong spelling. It’s a good sign when you see complaints in this column, it means the supplier is not trying to hide anything.

This column should have more complaints registered than the next column!

Complaints reported to consumer bodies per 100,000 customers

This is the important column. These are complaints the supplier has not given the customer an acceptable resolve for, so the customer has sought third party intervention.

This column should have less complaints registered than the previous column!

Play it safe

We have awarded points out of 100 to help you with your choice of supplier. A good rule of thumb would be to select a supplier which has 70 or more points.

You can see how we have awarded the points here

Some of my thoughts whilst putting this together

I really wanted to award more points to OVO Energy, but they have let themselves down by not being upfront with customer complaints reported to them. They couldn’t have possibly recorded all of their complaints. It’s just not possible to have 79 complaints per 100,000 customers and, have 90.3 complaints reported to third parties.

Also, I may be being a bit unfair to Places for People Energy. They are showing the least complaints at 19 per 100,000 customers. But I believe this to be the case because they haven’t accumulated a lot of customers yet.

Some of the newer suppliers have not recorded their complaints yet, but they should have done so. This is part of the OFGEM licence conditions.

I’m not sure what’s going on with Scottish Power. As one of the Big 6 original suppliers, they shouldn’t be going down this slippery slope.

British Gas customers really need to get to grips with what’s going on. There’s nothing wrong with their service. As the biggest supplier (They inherited all the customers at the start of privatisation), they are managing to hold onto the customers who are reluctant to switch their supplier. They are the ones paying the most with their Standard Energy Tariffs. British Gas can also capture the customers at the other end of the market. That’s the ones who like to shop around online for a cheaper energy deal. They have this end covered through the Sainsbury’s Energy brand.

Ofgem Accredited Comparison Sites

If you are going to switch to a cheaper online energy deal, then use one of the Ofgem Accredited sites. They are governed by a strict set of rules which put the consumers needs first!


eas logo

This is a full list of the Accredited sites

Comparison SiteOur RatingsStatusGo There
Energy Smart at EnergylinxLove Heart
Ease of use
get quotes
Energy HelplineLove Heart
More tariffs available
get quotes
The Energy Shopget quotes
Runpathget quotes
My Utility Geniusget quotes
Simply Switchget quotes
uSwitchget quotes
Unravel Itget quotes
Moneysupermarketget quotes
Switch Gas & Electricget quotes
Quotezoneget quotes

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