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TNB Bill Calculator

Optimize your domestic energy bill. Plan your spending.

CALCULATION MODE i
Bill Simulation
Quick estimation of your monthly bill based on your Import, Export, and AFA values.
Best for fast checking and general bill planning.

Find Optimum
Plan your usage to maximize savings. This mode analyzes how changes in the monthly AFA rate may affect your bill and helps you see if shifting usage can reduce your overall cost.
Since AFA rate changes every month, this helps you decide the best strategy for that specific month.
TARIFF TYPE
PROGRAMME
kWh
Tip: How much energy do you use from TNB? Please refer to your previous bill for your average monthly usage.
kWh
Tip: How much solar energy did you send back to TNB? Take your current solar reading, divide by the number of days so far, then multiply by the total days in this month. Example: (198 ÷ 10) × 30 ≈ 594 kWh
RM/kWh
View AFA Rate History ▸
Month-Year Rate (RM/kWh)
Oct-2025-0.0650
Nov-2025-0.0891
Dec-2025-0.0642
Jan-2026-0.0499
Feb-2026-0.0277
Mar-2026-0.0215
Apr-2026-0.0047
May-20260.0138
Jun-20260.0259
Jul-20260.0489*
Aug-20260.0708*
Sep-20260.0615*
* Estimated rates
Select mode and simulate.
Click Here To See Solar Takaful Price ▸
RM
kWh
Disclaimer i
This simulation is provided for informational purposes only. While based on current tariff logic, actual billing may vary due to tariff revisions and Tenaga Nasional Berhad (TNB) policies. We make no representations or warranties as to accuracy and accept no liability for any reliance on these estimates. Reference: Tariff, NEM and ATAP.
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