Energy Supplier customer service
This advice applies to England. See advice for See advice for Scotland, See advice for Wales
On this page
You can use our customer service ratings to help you decide which supplier to use.
The ratings are calculated using information from different sources, including Citizens Advice, Energy Ombudsman and the suppliers.
Energy Supplier scores for July to September 2025
-
Overall rating
1.7 out of 5
-
Fewer complaints received
3 out of 5
-
Contact waiting time
4 out of 5
-
Billing and metering
2 out of 5
-
Customer commitments
0 out of 5
Energy Supplier ranked 907th in the supplier comparison table.
|
Rank
|
Supplier
|
Overall rating
|
Fewer complaints received
|
Contact waiting time
|
Billing and metering
|
Customer commitments
|
|---|---|---|---|---|---|---|
|
901
|
Lil Tiny Energy Inc
|
|
2 out of 5 |
3 out of 5 |
1 out of 5 |
3 out of 5 |
|
902
|
Big Energy Inc
|
|
3 out of 5 |
3 out of 5 |
3 out of 5 |
5 out of 5 |
|
903
|
Medium Energy Inc
|
|
2 out of 5 |
3 out of 5 |
2 out of 5 |
5 out of 5 |
|
907
|
Energy Supplier
|
1.7 out of 5 |
3 out of 5 |
4 out of 5 |
2 out of 5 |
0 out of 5 |
Showing 5 of 4 suppliers
More information
We give energy suppliers a score out of 5 for each category, based on various data. You can look at this data in more detail below.
Complaints received
If a supplier gets a low number of complaints, we give them a higher star rating.
-
Complaints to Citizens Advice, Advice Direct Scotland and the Energy Ombudsman
-
52.0 per 10,000 customers
Billing and metering
We measure billing accuracy by looking at how many bills are based on a meter reading, rather than an estimate.
-
Bills accuracy (smart meters)
-
87.7%
-
Bills accuracy (traditional meters)
-
93.3%
-
Smart meters working correctly
-
92.2%
Contact waiting time
How long can you expect to wait when contacting this supplier?
-
Average call centre wait time
-
8 minutes
-
Emails responded to within 2 days
-
80.0%
Customer commitments
Is the supplier a member of the Energy Switch Guarantee or the Vulnerability Commitment?
-
Customer commitments
-
None
Fuel Mix
The fuel mix is the percentage of energy sources used by this supplier. Energy Supplier uses:
green: 100%
fossil fuels: 0%
Customer service contact details for Energy Supplier
some contact details
some more
Opening Hours
some opening hours
some more
Ways to contact
some other contact info
Payment Information
some billing info
some more
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