This monthly electricity bill is calculated formula was released by the Public Utilities Commission (PUCSL) in Sri Lanka.

1. How the monthly electricity bill for your
household is calculated:
In general, the monthly electricity bill is calculated on the reading of the meter for 30 days. In the
event the meter reading takes place before or after 30 days, the maximum unit limits in the
respective blocks will be adjusted accordingly. The monthly bill for domestic users will be calculated
under six main blocks.
If the monthly electricity consumption under 31 units
The total bill for those using up to 30 units will be: Rs. 3 per unit; Plus 25 per cent Fuel Adjustment
Charge on the rupee value of total units consumed and the Fixed Monthly Charge of Rs. 30.
If the monthly electricity consumption between 31 and 60
The total bill for those using between 31 and 60 units will be: Rs. 3 each for the first 30 units; Four
rupees and 70 cents each for the balance units; Plus 35 per cent Fuel Adjustment Charge on the
rupee value of total units consumed and the Monthly Fixed Charge of Rs. 60.
If the monthly electricity consumption between61 and 90
The total bill for those using between 61 and 90 units will be: Rs. 3 each for the first 30 units; Four
rupees and 70 cents each for the next 30 units; Seven rupees and 50 cents each for the balance
units; Plus 40 per cent Fuel Adjustment Charge on the rupee value of total units consumed and the
Monthly Fixed Charge of Rs. 90.
If the monthly electricity consumption between91 and 120
The total bill for those using between 91 and 120 units will be: Rs. 3 each for the first 30 units; Four
rupees and 70 cents each for the next 30 units; Seven rupees and 50 cents each for the next 30
units and Rs. 21 each for the balance units; Plus 40 per cent Fuel Adjustment Charge on the rupee
value of total units consumed and the Monthly Fixed Charge of Rs. 315.
If the monthly electricity consumption between120 and 180
The total bill for those using between 121 and 180 units will be: Rs. 3 each for the first 30 units;
Four rupees and 70 cents each for the next 30 units; Seven rupees and 50 cents each for the next
30 units; Rs. 21 each for the next 30 units and Rs. 24 each for the balance units; Plus 40 per cent

2. Fuel Adjustment Charge on the rupee value of total units consumed and the Monthly Fixed Charge
of Rs. 315.
If the monthly electricity consumption over 180
The total bill for those using over 180 units will be: Rs. 3 each for the first 30 units; Four rupees and
70 cents each for the next 30 units; Seven rupees and 50 cents each for the next 30 units;Rs. 21
each for the next 30 units; Rs. 24 each for the next 30 units and Rs. 36 each for the balance units;
Plus 40 per cent Fuel Adjustment Charge on the rupee value of total units consumed and the
Monthly Fixed Charge of Rs. 315.