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Which? Contact Information

About Which?
Energy Suppliers

1. Atlantic Electric and Gas
2. British Gas
3. E.ON
4. EBICo
5. Ecotricity
6. EDF Energy
7. first:utility
8. Good Energy
9. Green Energy UK
10. npower
11. npower National Trust
12. OVO Energy
13. Sainsburys
14. Scottish Hydro Electric
15. Scottish Power
16. Southern Electric
17. Spark Energy
18. SWALEC
19. The Utility Warehouse
20. Union Energy
21. Utilita

1. What information do I need to use?
2. How does the switching process work? What do I need to do?
3. What is the best way to make savings?
4. What payment methods are available?
5. What is the most accurate way to enter my current tariff? By spend or usage? Annual or monthly figures?
6. How do I find my electricity (MPAN) number? How do I find my gas (MRPN) number?
7. Why are the savings featured on your site different from those on another comparison service?
8. Why are the savings featured on your site different from those on another comparison service?
9. How frequently do you update your website?
10. Should we expect any price changes in the next coming months? When is the right time to switch?
11. If I have a complaint or if something goes wrong in the switching process, who do I contact?
12. How does {company} make money?
13. How does {company} make money?
14. What if I change my mind?
15. Can I switch if I am about to move house?
16. Are there any reasons why I may not be able to switch?
17. On the results page, why are some savings in red and some in black on the results page? Does the colour matter?

1. Do you work with all the energy suppliers?
2. How could I benefit from switching my energy supplier?
3. Will my current service be interrupted?
4. Why are some tariffs not featured on your site?
5. Why can I not locate a specific energy supplier on your site?
6. How can I contact energy companies direct?
7. How can I find out who my current energy supplier is?
8. Why can I receive quotes from some suppliers, but not complete the switching process with them on your site?
9. Why can I receive quotes from some suppliers, but not complete the switching process with them on your site?
10. Why are the tariffs on the website different from those that I am currently paying, with the same supplier?
11. Why should I switch with {website} rather than directly with an energy supplier?
12. Why should I switch with {website} rather than directly with an energy supplier?
13. When should I hear from my new supplier?
14. What happens if I switch and my new supplier changes their prices?
15. If I switch supplier, how long do I have to stay with my new supplier for?

1. What different tariffs are available on this website?
2. Can I select a tariff based on my preferences?
3. Do you include historical tariffs in your comparisons?
4. What are IGT tariffs?
5. How do I find out if I am on an IGT tariff?
6. What are online only tariffs?
7. What is green energy, and what are the requirements for a 'green tariff'?
8. What is Economy 7? And how can I change to this tariff?
9. What is a capped tariff?
10. Are there any tariffs featured on {website} for the over 60s?

1. What information do I need to use Switch with Which?
2. I do not know how much my current energy bills are - can I still use the calculator?
3. What is the most accurate way to enter my current tariff? By spend or usage? Annual or monthly figures?
4. How does the switching process work?
5. Is there anything I need to do?
6. How do I find my electricity (MPAN) number?
7. How do I find my gas (MRPN) number?
8. How long will it take to switch suppliers?
9. What if I change my mind?
10. When should I hear from my new supplier?
11. Will my supply be interrupted?
12. What happens if I switch and my new supplier changes their prices?
13. Are there any reasons why I may not be able to switch?
14. Will I be breaking a contract with my current supplier?
15. Can I switch if I owe money to my current energy supplier?
16. If I switch supplier, how long do I have to stay with my new supplier for?
17. Is there any way to speed up the switching process?
18. Can I switch if I have just moved house?
19. Can I switch if I am about to move house?
20. Can anyone living in the UK switch energy supplier with Which?
21. I pay my current supplier by Direct Debit when should I cancel this?
22. How do I know what date my energy will switch to my new supplier? Can I select the date myself?
23. If I have a complaint or if something goes wrong in the switching process, who do I contact?