SEPCO Bill Calculator – Estimate Your Units & Bill
Before a bill lands, most SEPCO consumers just want one number: roughly what will this month cost. That’s what this tool gives you — punch in your units, get an estimate built the same way SEPCO’s own billing engine works, minus the parts only PITC’s live system can see.
A SEPCO bill calculator estimates your monthly cost by running your consumed units through NEPRA’s slab-based domestic tariff, then adding fuel price adjustment, electricity duty, and GST — the same structure applied to every ex-WAPDA distribution company in Pakistan, not a rate unique to SEPCO.
The slabs aren’t flat — they stack. If you used 250 units, you’re not charged 250 × one rate. The first 50 units bill at the lowest slab rate, the next 50 at the second rate, then 100 more at the third rate, and so on up the ladder — each band priced separately, then summed. This is why doubling your units can more than double your bill: you’re not just using more, you’re paying more per unit for the extra portion too.
Protected status changes which band you land in — and this shifted recently. Consumers using low units get subsidised “protected” rates. For years the common cutoff cited was around 100 units. But under the tariff restructuring the Federal Cabinet approved in February 2026, the 101–200 unit band now carries its own separate fixed-charge treatment rather than sitting cleanly under the old protected/non-protected split. If your usage sits near that line, don’t rely on last year’s rule of thumb — the exact threshold on your own account is printed on your latest bill, next to your tariff category.
Where the “units” number comes from. It’s simply this month’s meter reading minus last month’s, multiplied by your meter’s multiplying factor if one applies. If you’re not sure how to read that off a physical bill, the full breakdown of every line on a SEPCO bill walks through the meter section in detail.
Why this number won’t match PITC to the rupee. The calculator applies the base slab rate, FPA, duty, and GST — the fixed part of the equation. What it can’t see is your monthly Fuel Price Adjustment figure (this changes almost every billing cycle), any quarterly QTR adjustment, carried-over arrears, or a Late Payment Surcharge if a past bill went unpaid. Treat the output as a close planning estimate, not the final payable amount.
One thing the calculator assumes: an existing, already-sanctioned domestic connection. If you’re setting up power for a new house or shop rather than estimating an existing account, the math here doesn’t apply yet — that starts with getting a new SEPCO meter connection first, which has its own load and fee process.
Using the estimate well. Run it a couple of times a month if your usage is climbing — once mid-cycle, once near the meter-reading date. If the projected total jumps sharply between two close unit counts, you’ve likely crossed a slab boundary, and trimming even 10–15 units before the cycle closes can pull you back into a cheaper band.