Whistleblower information.


Whistleblowing is when a possible infringement of laws or regulations is reported. You do not need to be a Sainsbury’s Energy employee to report suspicious activity. Reports can be made by our staff, business partners, (their employees), and third parties.

How to make a report.

E.ON Group runs a hotline and externally operated website where you can anonymously report your concerns about activities conducted by Sainsbury’s Energy and any other part of the E.ON Group.

Whistleblowing hotline number: 0203 769 6413

Whistleblowing website: Whistleblowing

Whistleblowing channels should not be used to make customer complaints or queries. If you would like to report a customer related issue please follow the instructions on our complaints page.

What issues can I report through whistleblowing?

Please make a report if you suspect a possible case of:

  • Corruption
  • Fraud
  • Embezzlement
  • Tax evasion
  • Human rights or modern slavery violations
  • Competition and capital markets law violations
  • Breach of insider trading rules
  • Data protection law violations