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

If your October electricity bill looks heavier than September's, you are reading it correctly. NEPRA has allowed a **Rs1.11 per unit fuel cost adjustment (FCA)** for the August 2026 generation period, and it lands squarely on your October 2026 bill. Across the country that single line item transfers an estimated **Rs16 billion** from consumers to power producers. For Pakistani homeowners and businesses already stretched by rising tariffs, the Rs1.11 FCA is one more reason rooftop solar still pays—and pays faster than the grid wants you to notice.

This is not a one-off shock. It is the latest in a chain of compounding monthly surcharges, and understanding how they stack is the first step to escaping them.

What the Rs1.11 Per Unit October FCA Actually Is

A fuel cost adjustment is the gap between what NEPRA *assumed* fuel would cost (the reference charge) and what it *actually* cost DISCOs to generate electricity in a given month. When the real cost runs higher, consumers pay the difference a couple of months later.

For August 2026, the numbers tell the story:

  • **Reference fuel charge:** Rs7.10 per kWh
  • **Actual fuel charge:** Rs8.21 per kWh
  • **Approved adjustment:** Rs1.11 per unit, applied to October bills

The Central Power Purchasing Agency (CPPA) had actually requested **Rs1.73 per unit**, citing an average fuel cost of Rs8.83. NEPRA trimmed that to Rs1.11 after review—a small mercy, but a surcharge nonetheless.

The real sting isn't a single Rs1.11. It's that fuel adjustments arrive almost every month, each one riding on top of the base tariff, financing surcharges and 18% GST you already pay.

The adjustment applies to nearly all consumer categories of the ex-WAPDA DISCOs and K-Electric, with a few exceptions—**lifeline consumers, EV charging stations, and those on prepaid tariffs** are spared this round.

Why Expensive Fuel Keeps Hitting Your Bill

August's spike was driven by costly thermal generation—imported **RLNG and furnace oil**—filling the gap when cheaper hydel and nuclear output could not meet demand. Pakistan's generation mix still leans on fuel it must import and pay for in a weak rupee, so every rupee of global energy volatility eventually surfaces on a household bill in Rawalpindi or a factory meter in Faisalabad.

That is the structural problem: you have almost no control over the fuel NEPRA burns on your behalf, the exchange rate, or the next FCA. What you *can* control is how many units you pull from the grid in the first place.

The Real Cost of a Grid Unit in 2026

To see why solar still wins, add up what a single grid unit truly costs an unprotected home today:

| Bill component | Approx. rate (PKR/unit) | |---|---| | Base tariff (typical 300–400 unit slab) | 33–38 | | October FCA (this month) | 1.11 | | Financing / other surcharges | ~3.23 | | 18% GST (on the stack) | ~7–8 | | **Effective cost per unit** | **Rs43–52** |

A typical unprotected household effectively pays **Rs43 to Rs52 per unit** once every charge is layered on. The NEPRA average base tariff for FY 2025–26 sits around Rs31.59, but no real bill ever stops there—the surcharges see to that.

Now compare that to the cost of a unit you generate on your own roof: once your system is paid off, it is effectively **zero**, and every FCA that NEPRA notifies simply does not touch the solar portion of your consumption.

How Rooftop Solar Offsets Compounding Surcharges

Here is the key insight most bill-payers miss: the FCA is charged **per unit consumed from the grid**. Reduce your grid units and you shrink not just the base charge but the FCA, the surcharges, *and* the GST calculated on all of them. Solar attacks the whole stack at once.

Consider a mid-sized home running a **5kW on-grid system**:

  • A 5kW system in Pakistan generates roughly **600–750 units per month** in good sun.
  • At an effective Rs45–50 per unit, that offsets around **Rs27,000–37,000 every month**.
  • A turn-key 5kW on-grid system now costs about **PKR 7–8 lakh installed**, including Tier-1 N-type panels, inverter, mounting and net-metering/net-billing filing.
  • That points to a payback window of roughly **2 to 3 years**—after which the generation is essentially free for the 20+ year panel life.

Businesses see the math even more sharply. A **10kW on-grid system** (around PKR 10–13 lakh installed) can wipe out a large slice of a commercial load that would otherwise sit in the highest, most surcharge-exposed slabs.

**One practical tip from our installs:** size your array to your *daytime* load and bill history, not a round number. Under the 2026 net-billing regime, self-consumed units are worth the full retail rate you avoid (Rs45–52), while exported units now fetch a far lower buyback. Maximising on-site daytime use—running pumps, ACs and machinery while the sun is up—is where the fastest savings live.

What Net Billing 2026 Changed for Solar Buyers

It would be dishonest to pretend nothing changed. Under NEPRA's **Prosumer Regulations 2026**, Pakistan shifted from net metering to **net billing**. New solar consumers now receive a buyback of about **Rs8.13 per unit** for exported electricity (down sharply from the old ~Rs25–27), and the contract term moved from seven to five years. Existing net-metering consumers are **grandfathered** at their older rates for the life of their contracts.

The takeaway is not "solar no longer works." It is that the economics now reward **self-consumption over export**. Because you are avoiding a Rs45–52 grid unit rather than selling a Rs8 one, a well-sized system aimed at your own daytime usage still delivers a compelling return. For a deeper breakdown, see our guide to the NEPRA net-billing rules for 2026 and our net metering vs net billing comparison.

According to NEPRA, fuel adjustments will keep appearing as long as thermal fuel costs swing—so the hedge value of on-site generation only grows.

Frequently Asked Questions

**What is the Rs1.11 per unit FCA on my October 2026 bill?** It is a fuel cost adjustment NEPRA approved for August 2026 generation, reflecting the Rs1.11 gap between the reference fuel charge (Rs7.10/kWh) and the actual cost (Rs8.21/kWh). It appears on October bills for most consumers and adds about Rs16 billion nationwide.

**Will the FCA keep increasing every month?** FCAs change monthly—some positive, some negative—based on the fuel actually burned. Because Pakistan relies on imported RLNG and furnace oil, high-cost months produce surcharges like this one. There is no guarantee any single month will be lower.

**Does rooftop solar reduce the FCA I pay?** Yes. The FCA is charged per grid unit consumed. Every unit your panels supply is a unit the grid does not bill you for—so you avoid the base rate, the FCA, the surcharges and the GST stacked on top, all at once.

**Is solar still worth it after the 2026 net-billing rules?** For most homes and businesses, yes—provided the system is sized for daytime self-consumption. Avoiding a Rs45–52 retail unit is far more valuable than the new Rs8.13 export buyback, keeping payback in the 2–3 year range for a typical 5kW install.

The Bottom Line

The Rs1.11 October FCA is small on its own but symbolic of a bigger truth: grid power in Pakistan only moves in one direction, and surcharges compound. Rooftop solar is the one lever ordinary consumers control—turning an unpredictable Rs45–52 grid unit into a fixed, falling cost you own.

**Ready to stop paying for someone else's fuel bill?** Get a free, no-obligation solar assessment from Best Solar Company PK and we'll size a system to your actual bill, your roof, and the 2026 net-billing rules.

*Sources: The Express Tribune, Business Recorder, Profit by Pakistan Today.*

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.