Switched gas and elec to npower early Feb 2016. It's the end of May and only elec has gone across with an estimate of mid-July for gas. The switch for both should take 2-3 weeks - I'm looking at 5-6 months with no definite date for gas! They have also told me that as they only provide one fuel the dual fuel price offer/discount will not apply and I'll have to pay more! I have chased this up with their customer services on 4 separate occasions, has complaints raised twice by them on my behalf with promised call backs and have received no call backs. Customer services say they have done all they can and its down to the "national database" and don't appear to understand or care why I'm upset with their switching suppliers process.