Bill calculator: Residential Tariff

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Tariff rates

The tariff information below is effective for consumption on or after 1 Jan 2024. It applies to residential customers that use electricity for residential purposes only

The Residential Tariff is based on bimonthly meter-readings. It includes the following items: 

This is the charge for electricity consumption. The tariff rate increases with increased consumption. For example, if you consume 1,000 units of electricity, we will charge a lower rate for the first 400 units and a higher rate for the next 600 units. 

Please refer to the table below for more information. 

Total bimonthly consumption block
Rate (cents/unit)

Each of the first 400 units

89.9

Each of the next 600 units

103.3

Each of the next 800 units

119.1

Each of the next 800 units

149.9

Each of the next 800 units

172.8

Each of the next 800 units

183.2

Each unit over 4,200

184.4

The Fuel Cost Adjustment amount may increase or decrease your bill. It is based on the difference between forecasted fuel prices and actual fuel prices (oil, gas and coal). The Fuel Cost Adjustment is updated every month to reflect the latest fuel price changes. 

View the latest Fuel Cost Adjustment

This rebate decreases your bill. It is only applicable to a bill with total bimonthly consumption of 400 units or less. Refer to the table below for the rebate rates: 

Total bimonthly consumption range
Rebate rate (cents/unit)

1 to 200 units

17.2 cents per unit on total consumption

201 to 300 units

16.2 cents per unit on total consumption

301 to 400 units

15.2 cents per unit on total consumption

The minimum charge per bill is HK$40. 

You have to settle the minimum charge even there is no electricity consumption recorded on your account. 

The tariff information below is effective for consumption on or after 1 Jan 2024. You are eligible for this concessionary tariff if you are: 

  • Aged 60 and above; 
  • Living alone or with similarly qualified elderly; 
  • Relying on or entitled to Comprehensive Social Security Assistance; and 
  • A residential customer using electricity for residential purposes only. 

The concessionary tariff is based on bimonthly meter-readings.  

Benefits 

As an approved applicant, your first 400 units of electricity is charged at half-price. The half-price applies to the energy charge, Fuel Cost Adjustment, and Energy Saving Rebate under Residential Tariff.  

Also, you do not have to pay the minimum charge of HK$40 per bill. 

How to apply

You can submit your application via The Hong Kong Council of Social Service.

 

The information below is effective for consumption on or after 1 Jan 2024. You must have registered for the scheme to be eligible for the Night Water Heating Rate. New applications are no longer accepted. 

The Night Water Heating Rate is based on bimonthly meter-readings. It includes the items below. 

This is the charge for electricity consumption. The Energy Charge is 63.5 cents per unit

The Fuel Cost Adjustment amount may increase or decrease your bill. It is based on the difference between forecasted fuel prices and actual fuel prices (e.g. oil, gas and coal). The Fuel Cost Adjustment is updated every month to reflect the latest fuel price changes. 

View the latest Fuel Cost Adjustment

This rebate decreases your bill.  It is only applicable to a bill with total bimonthly consumption of 400 units or less. Refer to the table below for the rebate rates: 

Total bimonthly consumption range
Rebate rate (cents/unit)

1 to 200 units

17.2 cents per unit on total consumption

201 to 300 units

16.2 cents per unit on total consumption

301 to 400 units

15.2 cents per unit on total consumption

The minimum charge per bill is HK$40. 

You have to settle the minimum charge even there is no electricity consumption recorded on your account. 

Note:

Tariffs and other conditions may be updated from time to time. Learn more about our latest tariff adjustment.

Rate table terms

Term
Refers to...

Unit

One kilowatt-hour (kWh) of electricity.

Bimonthly

The period of approximately 2 months between a meter-reading (including estimations) and the next meter-reading.

Pro-rated adjustments

If the period between two successive meter-readings is outside the 55 to 65 days range, your energy charge and energy saving rebate will be pro-rated.

Your adjustment will be made as follows:

Applicable block units = Normal block units x N / 60

N refers to the number of days between two successive meter-readings.

More information

Please refer to our Electricity Tariff Table for 2024 (PDF).

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