Check your IESCO bill before it arrives. This IESCO bill calculator uses the latest NEPRA tariff to show your full bill for any number of units, including slab rate, fixed charges, FPA, electricity duty and GST. IESCO (Islamabad Electric Supply Company) supplies electricity to Islamabad, Rawalpindi, Attock, Jhelum and Chakwal.
IESCO Bill Calculator
Units daalein aur bill ka poora hisaab dekhein: slab, fixed charges, FPA aur taxes.
| Bill item | Amount |
|---|
Uses NEPRA's uniform domestic tariff notified on 12 Feb 2026 (S.R.O. 279(I)/2026), 18% GST, 1.5% electricity duty and the FC surcharge. FPA and QTA change every month; copy them from your latest bill. Arrears, meter rent, late fees and reading-date changes are not included. Lifeline consumers pay lower rates not shown here.
IESCO bill for common units
| Monthly units | Consumer type | Estimated bill | Per unit |
|---|---|---|---|
| 100 units | Protected | Rs 2,131 | Rs 21.3 |
| 200 units | Protected | Rs 4,322 | Rs 21.6 |
| 100 units | Non-protected | Rs 4,064 | Rs 40.6 |
| 200 units | Non-protected | Rs 9,088 | Rs 45.4 |
| 300 units | Non-protected | Rs 14,901 | Rs 49.7 |
| 400 units | Non-protected | Rs 21,320 | Rs 53.3 |
| 500 units | Non-protected | Rs 28,142 | Rs 56.3 |
| 700 units | Non-protected | Rs 41,771 | Rs 59.7 |
| 1000 units | Non-protected | Rs 65,397 | Rs 65.4 |
Filer, 2 kW sanctioned load, FPA Rs 2.37 and QTA Rs 0.52 per unit. Your bill may differ with arrears, meter rent or a different load.
IESCO tariff rates 2026
IESCO follows the same NEPRA uniform tariff as other ex-WAPDA companies:
| Monthly units | Rate (Rs per unit) | Fixed charge (Rs per kW) |
|---|---|---|
| Protected 1–100 | 10.54 | 200 |
| Protected 101–200 | 13.01 | 300 |
| 1–100 | 22.44 | 275 |
| 101–200 | 28.91 | 300 |
| 201–300 | 33.10 | 350 |
| 301–400 | 36.46 | 400 |
| 401–500 | 38.95 | 500 |
| 501–600 | 40.22 | 675 |
| 601–700 | 41.85 | 675 |
| Above 700 | 47.20 | 675 |
Source: NEPRA uniform domestic tariff, notified on 12 February 2026 (S.R.O. 279(I)/2026). Rates exclude taxes and adjustments.
How your bill is calculated
- Cost of electricity: units × your slab rate. Non-protected consumers pay the rate of the slab they fall in on all units, so crossing a slab line by even one unit raises the whole bill.
- Fixed charges: your sanctioned load in kW × the fixed rate for your slab.
- FC surcharge: Rs 3.23 per unit (Rs 0.43 for protected consumers).
- Fuel price adjustment (FPA): a monthly per-unit charge or credit decided by NEPRA.
- Quarterly adjustment (QTA): a per-unit adjustment that can be positive or negative.
- Electricity duty: about 1.5% of the energy cost and adjustments.
- GST: 18% on the bill amount.
- Income tax: 7.5% extra for non-filers when the bill is Rs 25,000 or more.
Why IESCO bills rise in summer
Many IESCO homes in Islamabad and Rawalpindi run two or more ACs in June and July, which pushes bills into the 500+ unit slabs. Winter bills are much lower because heating mostly uses gas.
Protected vs non-protected consumers
You are a protected consumer if your home used 200 units or less in each of the last six months. Protected consumers pay much lower rates. Cross 200 units even once and you can lose protected status for the next six months, so keep an eye on summer AC use.
How to read your IESCO bill
- Reference number: the 14-digit number used to check your bill online.
- Units consumed: the difference between present and previous readings. Enter this in the calculator.
- Sanctioned load: shown in kW; it decides your fixed charges.
- FPA and QTA: listed separately; copy the per-unit rates into the calculator for an exact match.
- Bill history: the last 12 months of units, which helps you size solar.
Cut your IESCO bill with solar
Every unit your solar panels make and you use directly removes the most expensive units from your bill, and can drop you into a lower slab. In Islamabad and Rawalpindi, a 5 kW system makes roughly 600–700 units a month. Enter your expected solar units in the calculator above to see your bill after solar. For sizing, try the solar calculator and read how net billing treats exported units.
Solar prices in IESCO cities
Frequently asked questions
How can I calculate my IESCO bill?
Enter your units and sanctioned load in the IESCO bill calculator above. It applies the NEPRA slab rate, fixed charges, FC surcharge, FPA, QTA, electricity duty and 18% GST.
What is the IESCO per unit rate in 2026?
The base rate runs from Rs 10.54 for protected consumers to Rs 47.20 above 700 units. After taxes and adjustments, most homes pay about Rs 45–65 per unit overall.
Why is my IESCO bill so high?
Usually because you crossed into a higher slab, lost protected status, or a large fuel adjustment was added. The calculator shows if you are just over a slab line.
Where can I see my IESCO bill online?
Use the official IESCO website or the PITC bill portal with the 14-digit reference number printed on your bill.
Prices and rules change often. This page was last reviewed on 12 November 2026. Spotted an outdated rate? Tell us and we'll update it.