Are there any negative reviews of nabuh energy? Most negative reviews, however, focused on technical problems and difficulty topping up. There are a number of ways in which customers can get in touch with Nabuh Energy. Their customer service number is 0330 041 4902, and this number is manned from 9am-8pm Monday to Friday, 9am-5pm over the weekend.Where can i top up my nabuh energy bill? Top up - where can I top up Nabuh Energy? 1 Nabuh Energy topup online (smart meter) - to top up online you don’t even need to log in to your account. ... 2 Top up on the app (smart meter) - just log in to the app and you can top up. ... 3 Over the phone (smart meters) - call 0330 0082 138 to top up over the phone More items... How do i contact nabuhenergy customer service? If you could call us on 0330 0414 902 or email us at [email protected] , we would be happy to investigate and resolve the problems you are experiencing. Apologies again for any inconvenience caused.How do i replace my nabuh energy key or card? Luckily, it’s really easy to get a replacement before that happens. All you have to do is contact Nabuh Energy’s customer service by calling 0330 0414 902 and ask for a new one. Your replacement key or card will be sent by 1st class post on the same day so you won’t be without a top-up for long.