TNB — frequently asked questions
Questions about TNB bills, tariff, payment, complaints, and new connections — answered with primary sources where applicable.
Frequently asked questions
What is the TNB Account Number?
12-digit TNB account number printed on bills. Example: 200123456789.
How do I check my TNB bill online?
Enter the Account Number in the form at the top of the TNB bill check page on this site, or visit https://www.mytnb.com.my/residential/bills-payments.
What is the TNB customer-service number?
15454
How long does TNB payment take to reflect?
Online (portal/bank app/wallet from balance): instant. Cash at counters: 2-4 working hours. Cheque: 2-3 working days.
What if my TNB bill is wrong?
Contact TNB customer service first with the bill in hand. Get a complaint reference number. Escalate to ST after the statutory turnaround if unresolved.
How do I apply for a new TNB connection?
Online via https://www.mytnb.com.my/residential/bills-payments or at any customer-service office. Documents: ownership/rental, national ID, address proof, application fee. Timeline 15-45 working days.
Where does TNB supply electricity?
Peninsular Malaysia (excl. Sabah, Sarawak) in Malaysia.
Is the TNB bill accepted as proof of address?
Yes, within 3 months of bill date and matching applicant name.
Does TNB offer rooftop solar net-metering?
Where Malaysia's regulator has approved net-metering, yes. Check https://www.st.gov.my/ for the current scheme.
Can I change the name on my TNB bill?
Yes — file a Change of Name (CON) at any customer-service office. Timeline 7-21 working days.