I haven't got anything switched on that would cause this and am quite concerned that this could effect my next bill.
Does anyone know why this would be happening?
Best answer by Mw2870
Is this for Gas or Electrity or both?
What sort of kWh readings are you getting?
Here's a guide on how to read a smart meter, so you can make sure you're getting the right numbers: https://www.ovoenergy.com/ovo-answers/topics/payg/smart-payg/how-do-i-read-my-smart-meter-screen.html