This information is valid until 30 June 2025. In line with the Electricity Tariff Restructuring effective from 1 July 2025, please visit https://www.mytnb.com.my/tariff for the latest updates
2) Supply voltage
Voltage level*
Supply voltage
Low voltage:1 Phase
3 Phase
Extra Low Voltage
(V ≤ 50V)
Low Voltage
(50V < V ≤1kV)
Medium voltage
Medium Voltage
(1kV < V ≤ 50kV)
High voltage
High Voltage
50kV < V ≤ 230kV
Extra High Voltage
230kV < V
*Voltage level for tariff classification
This information is valid until 30 June 2025. In line with the Electricity Tariff Restructuring effective from 1 July 2025, please visit https://www.mytnb.com.my/tariff for the latest updates
3) Usage profile
(i.e operation hours – 24 hours or not)
Peak: 0800 – 2200 hours
Off-Peak: 2200 – 0800 hours
The definition of customer category is stipulated in Tariff Book
Tariff change will be permissible upon the site verification of the business activity and the supporting documents obtained.
Customers who are granted tariff change must enter into a new agreement with TNB to make the new tariff effective period.
