Use this tool to estimate your domestic electricity bill based on the new TNB tariff that is applicable from July 2025. This is for the basic tariff which is the default, and not the ToU tariff.
Key in your kWh usage as well as the monthly AFA surcharge or discount.
Enter the month's AFA rate - a surcharge as a positive number (e.g. 3.67) or a rebate as a negative one (e.g. -1.5). We report the rate monthly.
NOTICE: This calculator gives you an estimate based on a typical billing period. Your actual bill might be different. The formula used in this calculator is based on public information as of 21 June 2025 and does not include certain government incentives.
