Residential Tariff Calculator

Please input the number of consumption units and billing days.

Billing Start Date

The earliest date you can select is the 1st day of previous calendar year.


Please select date

Current Date

Self-selected Date

Tariff Type

Calculation Details

*Mandatory Field

Please enter a name

Please enter a valid number of billing days.


  1. The following calculation is for reference only.
  2. This bill calculation is solely meant to calculate electricity charges* only, based on the items included in the published tariff table.
  3. The Energy Saving Rebate is based on consumption taken from actual meter reading only. It does not apply to estimated usage.
  4. Minimum Charge: HK$40

*Including Energy Charges, Fuel Cost Adjustments, Energy Saving Rebate, and etc.

Details Consumption Period Consumption Unit (kWh) Rate (HK$) Charge (HK$)