@Issa

If Eon Next (was it them - that title is relatively new - or old Eon or some predecessor?) fitted the meter then they have the responsibility for getting the national database corrected. Even if it were somebody else its still eon next's responsibility to ensure the database is accurate. Every time a meter is changed the database should be updated, but it starts, I suppose, normally with the engineer doing the meter fitting. Tampering with the database by back office Eon Next Staff would be an unusual event, and probably restricted to a limited number of authorised people. But It should be capable of swift resolution. Have you kicked off a complaint yet?
Current Eon Next customer, ex EDF, Zog and Symbio. Don't think dual fuel saves money and don't like smart meters. Chronologically Gifted. If I offend let me know by private message, but I’ll continue to express my opinions nonetheless.