Bijli bill · NEPRA residential tariff
Electricity Bill Calculator (Pakistan)
Enter your units, pick protected or unprotected, and see the energy + fixed charge — before the extras your bill adds.
Slab rates below are the NEPRA residential A-1 tariff (S.R.O. 279(I)/2026), checked 16 Oct 2026. Tariffs change — every rate is editable, so correct any line against your own bill.
Slab rates (Rs per unit) — editable
| Slab | Protected rate | Unprotected rate | Fixed Rs/kW |
|---|
Lifeline consumers (≤100 units) pay a flat rate with no fixed charge: ≤50 units at Rs 3.95, 51–100 at Rs 7.74. Change any rate above and re-run — the estimate updates immediately.
This is a partial estimate, not your bill. Real bills add the fuel cost adjustment (FCA), quarterly tariff adjustments, electricity duty and sales tax on top of the energy + fixed charge shown here. Compare against your bill's line items. All calculations happen on your device; nothing you type is sent anywhere.
How to use the electricity bill calculator
- Enter your units. Find the "units consumed" (kWh) line on your LESCO, KE or other DISCO bill and type it in.
- Pick your consumer type. Protected means you used 200 units or fewer in each of the last 6 months — your DISCO tracks this. Under 100 units puts you on the lifeline tariff (flat rate, no fixed charge).
- Enter your sanctioned load. The fixed charge is per kW of sanctioned load, shown on your bill.
- Correct the slab rates if needed. The defaults are the NEPRA residential tariff checked 16 Oct 2026. If your bill shows different rates, type yours in — the estimate recalculates instantly.
- Read the result. The headline figure is energy charge + fixed charge only — deliberately before FCA, quarterly adjustments and taxes, because those vary by month and DISCO.
The math: slab rates × units + fixed charge
The slab rule is the part that trips people up. Protected consumers pay progressively: the first 100 units at the 1–100 rate, the rest at the 101–200 rate. Unprotected consumers get no slab benefit — every unit is charged at the rate of the highest slab their total reaches. So 250 unprotected units are all billed at the 201–300 rate, not split across three slabs.
Default slab rates (checked 16 Oct 2026)
| Units | Protected (Rs/unit) | Unprotected (Rs/unit) | Fixed (Rs/kW) |
|---|---|---|---|
| 1–100 | 10.54 | 22.44 | 200 / 275 |
| 101–200 | 13.01 | 28.91 | 300 / 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 |
Lifeline: ≤50 units at Rs 3.95, 51–100 at Rs 7.74, no fixed charge. Time-of-use and prepaid meters use different tariffs — for 5 kW+ sanctioned load or prepaid meters, check your DISCO's tariff schedule.
Frequently asked questions
How do I become a protected consumer?
Use 200 units or fewer in each of the last 6 consecutive months. Your DISCO reviews this automatically — if any single month in the window exceeds 200 units, you lose protected status and pay unprotected rates until you re-qualify.
Why is my estimate different from my actual bill?
The estimate covers only the energy charge and fixed charge from NEPRA's residential tariff. Your real bill adds the fuel cost adjustment (FCA), quarterly tariff adjustments, electricity duty and sales tax — these can add a large share on top, so always compare against your bill's line items.
Do unprotected consumers get the slab benefit?
No. Only protected consumers pay progressively — the first 100 units at the 1–100 rate and the rest at the 101–200 rate. Unprotected consumers pay ALL units at the rate of whichever slab their total reaches.
Protected consumer kaise banein?
Pichle 6 mahinay mein har mahinay 200 units se zyada istemal na karein. Agar kisi ek mahinay mein bhi 200 se zyada units hue to protected status khatam — phir dobara qualify karna hoga.
Mera bill estimate se zyada kyun aata hai?
Ye calculator sirf bijli ke units aur fixed charge ka hisaab lagata hai. Asal bill mein FCA, quarterly adjustments, electricity duty aur sales tax bhi shamil hote hain — is liye apne bill ki line items se zaroor match karein.
Is anything I type sent anywhere?
No. The calculation runs entirely in your browser on your own device. Your figures are never uploaded, stored, or seen by anyone.