System Upgrade Notice

myTNB Portal is currently undergoing a system upgrade as follows:

Start: Saturday, 18 April 2026, 12:01 AM
End: Sunday, 19 April 2026, 9:00 AM

During the system upgrade period, myTNB Portal is accessible with limited functionalities:

• View Bill
• View Energy Usage
• View Account Details
• View Bill History
• Add/Remove Account/User

To ensure a smoother experience, we encourage you to plan your transactions and activities ahead of time. All services will be available once the system upgrade is completed.

Important: Payments made between Friday, 17 April 2026, 6:00 PM and Sunday, 19 April 2026, 8:59 AM will be processed and reflected in your account from Sunday, 19 April 2026, 9:00 AM onwards.

For any assistance, kindly contact TNB CareLine at 1-300-88-5454 or reach us via Facebook TNB CareLine or X @Tenaga_Nasional.

We apologise for any inconvenience caused and greatly appreciate your patience as we work to enhance the performance, stability and security of our digital platforms.