September FCA of Rs2.56/Unit Hits November Bills — Here's How Solar Shields You

• By Best Solar Company PK
• 20 Oct, 2026
• Energy Savings
• 8 min read

If your electricity bill felt lighter this month, do not get comfortable. A fresh **fuel cost adjustment** is on its way. The Central Power Purchasing Agency (CPPA) has asked NEPRA to approve an extra **Rs2.56 per unit** for September's fuel costs — nearly **three times the Rs1.11 per unit** that showed up in October bills. NEPRA will hear the request on **October 29**, and once approved, the charge lands squarely on your **November electricity bill**.

For most Pakistani homeowners and businesses, the fuel cost adjustment is the most unpredictable line on the bill. One month it is a few paisas; the next it swings into rupees. The only reliable way to stop these shocks is to stop buying so many units from the grid in the first place — and that is exactly what solar self-consumption does.

What is a fuel cost adjustment, and why is September's so big?

The fuel cost adjustment (FCA) is a monthly correction. NEPRA sets a *reference* fuel cost when it fixes tariffs. When the actual cost of generating electricity runs higher than that reference, distribution companies recover the difference from you a couple of months later.

For September, the numbers tell the story:

• **Reference (estimated) fuel cost:** Rs7.46 per unit
• **Actual fuel cost:** Rs10.02 per unit
• **The gap you pay:** Rs2.56 per unit

Total fuel costs hit **Rs127.87 billion** in September while DISCOs sold **12.76 billion units**. The culprit is the same as always — expensive imported fuel. Costly RLNG from the spot market, imported coal, and furnace oil carried the load when cheaper hydro and nuclear generation fell short.

Compare that to the **Rs1.11 per unit** August adjustment (actual Rs8.21 vs reference Rs7.10) already added to October bills, costing consumers around **Rs16 billion**. September's request is more than double the burden.

What Rs2.56 per unit actually costs you in November

The FCA applies to almost every consumer category of the ex-WAPDA DISCOs and K-Electric — the main exceptions are lifeline users, EV charging stations, and prepaid-tariff customers. It is charged on the units you consumed in September and shown as a separate line.

Here is what the September FCA alone adds to a November bill, before any base tariff or taxes:

| Monthly consumption | FCA at Rs2.56/unit | Compared to Oct's Rs1.11/unit | |---|---|---| | 300 units | Rs768 | Rs333 | | 600 units | Rs1,536 | Rs666 | | 1,000 units | Rs2,560 | Rs1,110 | | 2,500 units (small business) | Rs6,400 | Rs2,775 |

Remember: this is *just* the fuel adjustment. It sits on top of your normal per-unit tariff, GST, TV fee, and other surcharges. And it resets next month to whatever the October fuel bill turns out to be.

How solar self-consumption shields you from FCA shocks

Here is the key insight most people miss. The fuel cost adjustment is charged **per unit imported from the grid**. Every unit your solar panels produce and you use on the spot is a unit you never buy — so it carries **no tariff, no FCA, no GST, and no surcharge**.

This is called self-consumption, and it is now the smartest way to run rooftop solar in Pakistan:

• A unit you generate and use yourself is worth the **full retail value** you would otherwise pay — easily Rs40–60+ per unit once every charge is stacked on.
• A unit you export to the grid, under the new rules, earns only the buyback rate.

That second point matters more than ever. In February 2026, NEPRA replaced the old net metering system with **net billing** under the Prosumer Regulations. New solar consumers now export at a buyback rate of roughly **Rs8–11 per unit** (NEPRA approved a cut to around Rs8.13 per unit), down from the old ~Rs25–26 per unit. Existing net metering agreements are protected until they expire, but every new system should be designed around using your own power, not selling it cheap. You can read more in our guide to net billing vs net metering in Pakistan.

In practice, a well-sized system means your air conditioners, water pump, fridge, and lights run on free sunshine from roughly 9am to 5pm — exactly when usage and heat peak. The grid units you still buy (mostly at night) shrink dramatically, and so does your exposure to every future FCA.

A real-world example for a Lahore home

Take a home consuming 1,000 units a month, with about 650 of those used during daylight. A 5kW solar system in Punjab comfortably produces 650–750 units of usable daytime power each month.

• **Grid units avoided:** ~650
• **September FCA avoided on those units:** 650 × Rs2.56 = **Rs1,664** in November alone
• **Full retail value of those 650 units** (tariff + FCA + taxes): often **Rs30,000+** every month

A quality 5kW system in Pakistan typically runs **Rs1.0–1.4 million** installed in 2026. With monthly savings like these, most homeowners see payback in **3–4 years** — and then 20+ years of near-free daytime power while everyone else keeps absorbing FCA swings. For sizing help, see our home solar system sizing guide.

Should you wait for the October 29 hearing?

No. NEPRA hearings almost always approve some version of the requested FCA because it reflects fuel already burned — the money is owed. Even if the figure is trimmed slightly from Rs2.56, the structural problem remains: Pakistan's grid leans on imported fuel, and that cost flows to you every single month. Waiting just means paying one more cycle of shocks.

Frequently Asked Questions

**What is the fuel cost adjustment of Rs2.56 per unit for September?** It is the gap between the reference fuel cost (Rs7.46/unit) and the actual fuel cost (Rs10.02/unit) of generating electricity in September 2026. CPPA has asked NEPRA to recover this Rs2.56/unit from consumers. NEPRA hears the request on October 29, and the charge will appear on November bills.

**Will the September fuel cost adjustment apply to my November bill?** Yes, if approved. It applies to most consumer categories of the ex-WAPDA DISCOs and K-Electric, calculated on the units you consumed in September and shown as a separate FCA line. Lifeline, EV charging station, and prepaid-tariff consumers are generally exempt.

**Does solar protect me from the fuel cost adjustment?** Yes. The FCA is charged only on units you import from the grid. Power your solar panels generate and you use on the spot carries no tariff, no FCA, and no taxes — so maximising self-consumption directly cuts your exposure to every monthly adjustment.

**Is solar still worth it under net billing in 2026?** Absolutely — arguably more so. With buyback rates cut to roughly Rs8–11 per unit, the value is no longer in exporting but in using your own power to avoid retail units priced at Rs40–60+ (including the FCA). A system sized for self-consumption still pays back in about 3–4 years.

The bottom line

The September fuel cost adjustment of Rs2.56 per unit is a reminder that grid electricity in Pakistan is only getting more volatile. You cannot vote away LNG prices, but you can stop buying so many grid units. A properly sized rooftop solar system turns the sun into your cheapest, most predictable power source — and shields your November bill, and every bill after it, from the next FCA shock.

**Ready to stop paying for fuel you never burned?** Get a free solar assessment from Best Solar Company PK and size a system built for self-consumption.

Sources: Tribune — DISCOs seek Rs2.6/unit hike for Sept, Tribune — NEPRA allows Rs1.11/unit fuel adjustment in October billing, Dawn — Nepra pulls the plug on net-metering, NEPRA

Best Solar Company PK designs and installs reliable solar systems in Rawalpindi, Islamabad, Lahore, Multan, Taunsa Sharif and Karachi. Contact us for a free survey and the best advice for your home or business.