So, if like me you are getting text messages with links to click to get your money it is a SCAM.
www.actionfraud.police.uk/alert/energyrebatescam
The address to report scam emails is on that page.
This payment is being organised through your energy company, so you do not need to provide additional information in response to random messages. If you are not sure about something sent to you, contact your energy supplier.
Scam texts can be reported to the Information Commissioner
ico.org.uk/make-a-complaint/nuisance-calls-and-messages/spam-texts-and-nuisance-calls/