Electricity Bill Calculator Pakistan
Estimate your monthly bill from your units — slab by slab, with fuel adjustment, GST, electricity duty and fixed charges shown as separate lines. Every rate is editable, so you can match it to your own DISCO and your own bill.
| Units | Rate (Rs per unit) |
|---|
| Line | Units | Rate | Amount (Rs) |
|---|---|---|---|
| Total payable |
How to Use Electricity Bill Calculator
Electricity Bill Calculator for Pakistan
Most people looking for a bill calculator are not really trying to predict a number — they already have the bill. They are trying to understand why it is so much larger than last month. This tool is built for that question: it shows the bill assembled line by line, so you can see which slab, which surcharge and which tax is responsible.
Slabs are progressive, categories are not
Within a tariff table, units are charged in blocks — the first hundred at one rate, the next hundred at another. That part is gradual. What is not gradual is the category. A protected consumer who crosses 200 units in a month is reclassified as unprotected for that cycle, and the entire bill is recalculated on the higher table. This is the single most expensive step on the domestic tariff and it is the answer to most "why did my bill double" questions.
The charges that are not the unit rate
Energy charges are only part of the bill. Fuel price adjustment is notified monthly by NEPRA and applied per unit. Fixed charges depend on your sanctioned load. Electricity duty is a provincial levy charged as a percentage. GST is applied on top of all of that. The TV licence fee is a flat pass-through. Added together these routinely account for a quarter or more of the total, which is why the effective rate per unit is always higher than the slab rate.
Why every rate here is editable
Pakistan does not have one electricity tariff. LESCO, MEPCO, PESCO, HESCO, K-Electric and the rest publish their own schedules, NEPRA revises them during the year, and the fuel adjustment changes every month. Any calculator quoting a single fixed table is out of date somewhere. The defaults loaded here are the domestic rates published for 2025-26 as a starting point — take your last bill, correct anything that does not match, and the estimate becomes accurate for your connection.
Cutting the bill
- Watch the boundary — if you are a few units below 200, shifting some usage into the next cycle keeps you on the protected table.
- Air conditioning dominates — a single unit running several hours a day can move a household across two slabs on its own.
- Check the meter reading date — a long billing period inflates units and can push you across a boundary you would not normally cross.
Frequently Asked Questions
Units are charged progressively across tariff slabs, each block at its own rate. Fuel price adjustment and any surcharges are added per unit, fixed charges are added as a lump sum, then electricity duty and GST are applied, and the TV licence fee is added on top. This calculator itemises every one of those lines.
Protected consumers stay at or below 200 units a month consistently over the preceding six months and are billed on a much lower tariff table. Cross 200 units and you are reclassified as unprotected for that billing cycle, and the whole bill is worked out on the higher table — that reclassification, rather than the extra units themselves, is what causes the sudden jump people notice.
The usual cause is crossing a slab boundary, especially the 200-unit protected threshold. The other common causes are a higher fuel price adjustment, which changes every month and is set by NEPRA, and a longer billing period. The calculator shows how many units you are from the next boundary.
Fuel Price Adjustment is a per-unit charge that reconciles the cost of fuel actually used for generation against what was assumed in the tariff. NEPRA notifies it monthly, so it can be positive or negative and it varies from month to month. Copy the figure from your own bill into the calculator.
No. The defaults are domestic rates published for 2025-26 and are a starting point only, not a NEPRA notification. Rates differ between DISCOs and change through the year, which is why every rate in the table is editable — correct them from your own bill and the estimate becomes accurate for your connection.