Lifestyle · Free · Client-side

TNB Electricity Bill Calculator Malaysia

Enter monthly kWh (or estimate from appliances). See generation, capacity, network, retail, Energy Efficiency Incentive (EEI), optional AFA, KWTBB, and SST — based on the domestic tariff structure from July 2025.

Waived when usage ≤ 600 kWh. Enter TNB’s latest declared rate.

Quick appliance estimate (optional)

  • 1.2 kW × 8h/day
  • 3 kW × 0.5h/day
  • 0.15 kW × 24h/day
  • 0.5 kW × 1h/day
  • 0.12 kW × 5h/day

Estimated bill

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Effective sen/kWh

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EEI discount

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    Peninsular domestic general rates (from July 2025). Educational estimate — verify with myTNB.

    How this tnb bill calculator works

    1. 01 Enter monthly consumption in kWh, or use appliance presets to estimate usage.
    2. 02 Optionally set the current AFA (sen/kWh) from TNB’s monthly declaration.
    3. 03 The tool applies generation/capacity/network, EEI band, retail waiver rules, then KWTBB & SST where applicable.
    4. 04 Review the component breakdown and estimated total.

    Frequently asked questions

    Is this the official myTNB calculator? +

    No. It is an educational estimate using published domestic rate components. Always verify against your bill or myTNB’s official calculator.

    What about Sabah / Sarawak? +

    Tariffs differ. This tool targets Peninsular Malaysia (TNB) domestic general rates.

    Why include AFA as an input? +

    AFA changes monthly. Enter the latest declared sen/kWh (or 0) so the estimate stays current.