IESCO Bill Calculator 2026: Estimate Your Electricity Bill Online
Enter the units on your bill to estimate what you will pay to the Islamabad Electric Supply Company. Copy FPA and QTA from your latest bill for the closest result.
Tariff rates used (editable)
Rates change with NEPRA notifications. Match these to your bill or the NEPRA tariff page.
Your estimate appears here.
This is an estimate, not a payable amount. Your official bill from IESCO is the only valid figure. Fixed charges, FPA and QTA are set by NEPRA notifications, so enter them from your bill.
How to use the IESCO bill calculator
- Enter the units consumed from your IESCO bill (current reading minus previous reading).
- Choose protected or unprotected consumer type, as printed on your bill.
- Add the FPA, QTA and fixed charge values from your latest bill for a closer estimate.
- Read the itemized estimate and compare it with your official bill.
How a IESCO electricity bill is calculated
IESCO bills use slabs set by NEPRA. The more units you use, the higher the rate on units in the higher slabs. On top of the energy charge, a bill usually includes:
- Fixed charges, where they apply to your category
- Fuel price adjustment (FPA) and quarterly tariff adjustment (QTA)
- Financing cost and Neelum-Jhelum surcharges
- Electricity duty and 18% GST
- PTV fee
Example for a IESCO consumer: an unprotected consumer using 320 units pays 100 units at Rs 22.44, 100 units at Rs 28.91, 100 units at Rs 33.10, 20 units at Rs 36.46. That is an energy charge of Rs 9,174 before fixed charges, adjustments, surcharges and taxes. These are the calculator’s default rates, so confirm them against your bill.
Protected vs unprotected consumers
Protected consumers are low-consumption residential users billed at lower rates, up to 200 units a month. Crossing 200 units moves the bill to the higher unprotected slabs, so staying below that threshold can make a large difference.
Ways to lower your IESCO bill
- Check your usage against the 100, 200 and 300 unit slab limits during the month.
- Reduce air conditioner and heavy appliance use at peak hours.
- Use energy-efficient fans, LED lights and inverter appliances.
- Check your bill for wrong readings or categories and report them to IESCO.
About IESCO
Islamabad Electric Supply Company (IESCO) mainly supplies electricity to Islamabad, Rawalpindi, Attock, Jhelum and Chakwal. This calculator is for residential estimates.
Bill calculators for other electricity companies
IESCO bill calculator: frequently asked questions
How do I calculate my IESCO electricity bill?
Multiply your units by the slab rates for your consumer type, then add fixed charges, fuel price adjustment (FPA), quarterly tariff adjustment (QTA), surcharges, electricity duty, GST and the PTV fee. Enter your units in the calculator above and it does these steps for you.
What is the full form of IESCO?
IESCO stands for Islamabad Electric Supply Company, one of Pakistan’s electricity distribution companies.
Which areas does IESCO serve?
IESCO mainly supplies electricity to Islamabad, Rawalpindi, Attock, Jhelum and Chakwal.
What is a protected consumer in IESCO?
A protected consumer is a low-consumption residential user billed at lower slab rates, up to 200 units a month. Your status depends on your consumption history, so check the category printed on your bill.
What happens if I cross 200 units?
Above 200 units the bill moves to the higher unprotected residential slabs, so even a few extra units can raise the bill noticeably.
What are FPA and QTA on my bill?
FPA is the fuel price adjustment and QTA is the quarterly tariff adjustment. Both are per-unit amounts set through NEPRA notifications and printed on your bill. Enter them for a closer estimate.
Why is my estimate different from my actual bill?
Tariffs and adjustments change with NEPRA notifications, and your real bill can include fixed charges, arrears, late payment surcharge or other items. Treat the result as an estimate and pay the amount on your official IESCO bill.
Is this IESCO bill calculator official?
No. It is an independent estimation tool and is not affiliated with IESCO, WAPDA or NEPRA. Your official IESCO bill is the only valid payable amount.