Free tools
Hong Kong Electricity Cost Calculator
Enter average monthly usage and select CLP or HK Electric to view an estimate for a monthly or two-month bill, with a charge breakdown.
Enter your details
Select CLP or HK Electric and enter usage to estimate residential charges using the October 2026 tariff and fuel adjustment, with a tier breakdown.
Estimated result
For appliance usage and bill details, read the Hong Kong electricity bill guide.
How to use
- Check your usage history on the bill or provider app and enter average monthly usage.
- Select the provider and monthly or two-month billing; the calculator converts average monthly usage to the bill period.
- View estimates and compare with actual bill.
Calculations run in your browser. Results are estimates only; actual costs may vary.
FAQ
Is the result equal to the official electricity bill?
No. The estimate converts your average monthly usage to the selected billing period and includes basic charges and the fuel adjustment. Your bill may also reflect minimum charges, rebates, concessions and actual meter-reading dates.
Will the estimate exactly match my bill?
The estimate may not include every minimum charge, rebate, concession or billing adjustment. The optional subsidy is shown only if you meet the provider’s eligibility and usage rules. Your electricity bill is the final amount.
How is the CLP energy-saving rebate estimated?
When residential usage meets the applicable conditions, the calculator estimates the rebate using CLP's 2026 residential tariff table. Check your bill and CLP updates for the actual eligibility and amount.
Which tariff month is used?
The estimate uses published October 2026 residential rates. Rates are updated by the utilities, so check the displayed review date before use.