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

If your **October 2026 electricity bill** looks heavier than usual, you are not imagining it. Two separate surcharges are landing on the same bill at the same time, and together they push effective grid rates toward Rs40–65 per unit for most unprotected households and businesses. For anyone still on the fence about rooftop solar, this stacked increase is exactly the moment the maths tips firmly in solar's favour.

Let's break down what's hitting your bill, why it matters, and how the **October 2026 FCA** hike quietly shortens solar's payback period in Pakistan this year.

What the Rs1.73/unit August FCA actually is

The Central Power Purchasing Agency (CPPA-G) asked NEPRA to recover **Rs1.7267 per unit** (rounded to Rs1.73) as the Fuel Charges Adjustment (FCA) for August 2026. NEPRA heard the request at its 29 September hearing, and the amount is being passed on to consumers — including K-Electric customers — through **October bills**. Collectively, this single adjustment adds roughly **Rs29.5 billion** to October billing nationwide, according to Business Recorder and Dawn.

An FCA reflects the gap between the fuel cost assumed in your base tariff and what it actually cost to generate power that month — mostly imported furnace oil, RLNG, and coal priced in a weak rupee. When fuel runs expensive, you pay the difference a couple of months later.

The Rs0.52 quarterly adjustment stacked on top

Here is the part that stings: the FCA is **not** the only surcharge active right now. Consumers are simultaneously paying an additional **52 paisa per unit** under the quarterly tariff adjustment (QTA) approved for the second quarter of 2026, which NEPRA notified on 7 September. The QTA recovers capacity payments, transmission costs, and other fixed charges tied to the national grid.

When the Rs1.73 FCA and the Rs0.52 quarterly adjustment land on the same bill, roughly **Rs2.25 per unit** of pure surcharge sits on top of your slab rate — before GST, TV fee, and other line items compound it further.

That compounding is the real story. A surcharge is not taxed in isolation — it inflates the base on which GST and other levies are calculated.

How stacked adjustments push you to Rs40–65/unit

For **unprotected residential consumers** (the majority who ever cross 200 units), NEPRA's 2026 slabs already run steep:

| Monthly usage (unprotected) | Base rate (Rs/unit) | Fixed charge | |---|---|---| | 1–100 units | 22.44 | Rs 275/kW | | 101–200 units | 28.91 | Rs 300/kW | | 201–300 units | 33.10 | Rs 350/kW | | 301–400 units | 36.46 | Rs 400/kW | | 401–500 units | 38.95 | Rs 500/kW | | Above 700 units | 47.20 | Rs 675/kW |

Now layer on the Rs2.25 of stacked adjustments, GST at 18%, electricity duty, financing cost surcharge, and the TV fee. A household in the 301–400 slab paying a Rs36.46 base rate easily sees an **effective all-in cost of Rs50–60 per unit**. Heavy users above 700 units — and most commercial connections — routinely cross **Rs60–65 per unit**. That is the number that matters for solar, because every unit your panels produce is a unit you no longer buy at that inflated, fully-loaded rate.

Why this widens solar's payback advantage right now

Solar payback is simple: system cost divided by annual savings. The **FCA and QTA attack the denominator from both sides** — they raise the value of every self-consumed unit while doing nothing to raise the price of the solar system you install today.

  • A **10kW on-grid system** in Pakistan costs roughly **PKR 750,000–1,050,000** in 2026 (Lahore 750k–850k; Karachi 740k–840k), per Solar Price PK.
  • That system produces about **40–50 units per day**, or **1,200–1,500 units a month**.
  • At an effective Rs55/unit, 1,350 units of self-consumption saves roughly **Rs74,000 per month** — well over **Rs880,000 a year**.

At those numbers, an on-grid system pays for itself in **roughly 2.5–3 years** for a household already spending Rs35,000+ monthly on electricity. Each new surcharge trims that further. Before this year's adjustments, the same system might have taken 3–3.5 years to break even; the stacked October hike effectively shaves months off, because you are now offsetting units worth Rs55–65 instead of Rs45.

Here's the original insight most installers won't volunteer: **FCAs recur almost every month and QTAs every quarter**, so the grid rate you are hedging against is a moving target that keeps climbing. Solar locks in your generation cost at today's rupee. You are not just saving money — you are buying certainty against the next dozen surcharges.

Net billing changed the game — but self-consumption still wins

In 2026, NEPRA replaced net metering with **net billing** under the Prosumer Regulations (SRO 251(I)/2026). New applicants after February 2026 now export surplus units at the **National Average Energy Purchase Price (~Rs11/unit)**, while importing from the grid at full tariff. Existing net-metering agreements signed before the cutoff are grandfathered until contract expiry. (We cover the fine print in NEPRA Net Billing Rules 2026.)

What this means practically: the days of treating the grid as a free battery are over, so the winning strategy is **maximising self-consumption** — using your solar power as it is generated, during daylight hours, rather than banking it for a low export rate. Because self-consumed units now avoid Rs50–65 of grid cost versus an Rs11 export credit, right-sizing your system to your daytime load (and considering a hybrid battery for evening use) protects the economics. Oversizing purely to export makes far less sense than it did a year ago.

For businesses running on daytime loads — offices, retail, workshops, cold storage — the alignment is almost perfect: your consumption peak and solar peak both sit in the middle of the day. That is where payback periods compress to **two years or less**.

A quick action checklist for this month

  • **Pull your last three bills** and find your average per-unit all-in cost (total payable ÷ units). That is your real benchmark, not the base slab rate.
  • **Size for self-consumption**, not export — match system capacity to daytime load under the net-billing regime.
  • **Get a hybrid quote too** if your evening usage is high; batteries add cost but preserve savings now that export credit is only ~Rs11/unit.
  • **Act before the next FCA**: adjustments recur, so delaying simply means paying inflated grid rates for more months before your panels switch on.

If you want a tailored payback estimate based on your actual DISCO, slab, and roof, our team at **Best Solar Company PK** can model it against current NEPRA rates. See our broader guidance on cutting your electricity bill with solar to plan the right system size.

Frequently Asked Questions

**What is the Rs1.73 per unit FCA on my October 2026 bill?** It is the Fuel Charges Adjustment for August 2026 (CPPA-G requested Rs1.7267/unit), recovering the gap between assumed and actual fuel costs. NEPRA heard it on 29 September 2026 and it appears on October bills, adding about Rs29.5 billion nationwide.

**Is the Rs0.52 quarterly adjustment the same thing as the FCA?** No. The Rs0.52/unit is the second-quarter 2026 quarterly tariff adjustment (notified 7 September), covering capacity and fixed costs. It stacks on top of the FCA, so both surcharges hit the same October bill — roughly Rs2.25/unit combined before taxes.

**How much does solar really save at Rs40–65 per unit?** A 10kW on-grid system generating ~1,350 units/month can save well over Rs70,000 monthly when your effective rate is Rs50–55/unit — paying back a Rs750,000–1,050,000 investment in about 2.5–3 years.

**Does net billing make solar a bad investment now?** No — it changes the strategy. Because exported surplus earns only ~Rs11/unit while self-consumed units offset Rs50–65/unit, the smart move is sizing your system to your daytime load and considering a battery, which keeps payback short.

**Will electricity rates keep rising after October 2026?** FCAs are adjusted almost monthly and quarterly adjustments every three months, driven by fuel prices and the rupee. Both have trended upward, which is precisely why locking in solar generation costs now is a hedge against future surcharges.

The bottom line

The stacked **Rs1.73 FCA and Rs0.52 quarterly adjustment** landing on October bills are not a one-off — they are the latest in a relentless series of upward revisions that push effective grid rates to **Rs40–65 per unit**. Every one of those surcharges raises the value of a solar unit while leaving the cost of installing solar untouched. In 2026, that gap is as wide as it has ever been, and the payback clock has never ticked faster. The sooner your panels switch on, the fewer inflated grid units you pay for.

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.