Rs1.11 FCA Hits October Bills: Why Every Self-Used Solar Unit Now Saves Rs45–55

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

If your October electricity bill looks heavier than you expected, you are reading it correctly. NEPRA has notified a positive **Fuel Charges Adjustment (FCA) of Rs1.11 per unit** for August 2026, and — as always — it lands two months later, on the **October bills** of nearly every consumer in the country. For most households that is another few hundred rupees; across the system it is a burden running into the tens of billions.

This single adjustment is small on its own. But stacked on top of base tariffs, quarterly adjustments, surcharges and 18% GST, it is a reminder of the one truth that now dominates home-energy economics in Pakistan: **the grid unit you don't buy is worth far more than the solar unit you sell.** With relentless FCAs in the picture, every unit your panels feed directly into your own home is now worth roughly **Rs45–55** — and that completely reshapes how fast a solar system pays for itself.

What exactly did NEPRA approve?

NEPRA cleared the August 2026 FCA after the actual fuel cost for that month came in at **Rs8.21 per kWh**, against a reference of **Rs7.10 per kWh**. The Rs1.11 gap is passed through to you.

• **Who pays:** All consumer categories of the ex-WAPDA DISCOs (LESCO, FESCO, IESCO, MEPCO, GEPCO and the rest) and **K-Electric**.
• **Who is exempt:** Lifeline consumers, electric-vehicle charging stations, and prepaid-tariff consumers.
• **When:** Reflected in **October 2026 billing**.
• **Scale:** Official estimates put the hit around Rs16 billion, with some reports citing figures as high as Rs19 billion once all categories are counted.

That "relentless" part is the point. You cannot budget against a charge that changes every single month. Solar self-consumption is the only lever an ordinary household actually controls.

Why a self-consumed unit is worth Rs45–55

Here is the mental shift most people miss. When you run your fan, AC or fridge directly off your own panels during daylight, you are not "earning" Rs11 — you are **avoiding** the full retail cost of a grid unit. And that retail cost is brutal at the upper slabs.

Under the tariff notified in **S.R.O. 279(I)/2026**, an unprotected domestic consumer pays a base energy rate climbing from Rs22.44 up to **Rs47.20 per unit** in the top slab (above 700 units). But the base rate is only the start. On top of it sit:

• The monthly **FCA** (Rs1.11 this cycle)
• **Quarterly Tariff Adjustments (QTA)**
• A **financing cost surcharge** of around Rs3.23/unit
• **Electricity duty**, PTV fee, and **18% GST** on most of the above

Once everything is stacked, a mid-to-high-usage unprotected home is effectively paying **Rs45–55 for each marginal unit**. So every unit your solar system keeps you from importing saves you that full amount.

| What you do with 1 solar unit | What it's worth to you (2026) | |---|---| | **Self-consume** (run your own load) | **Rs45–55** (avoided top-slab import cost) | | Export under **new net billing** | ~Rs11 (NEPRA buyback for new prosumers) | | Export under an **old net-metering** agreement | up to Rs25.32 (grandfathered until it expires) |

The arithmetic is stark: a self-consumed unit is worth **four to five times** an exported unit for a new net-billing customer. Your panels earn the most when the electricity never leaves your house.

How net billing changed the game

Since **9 February 2026**, NEPRA replaced net metering with **net billing** for new solar consumers. Under the old rules, one exported unit cancelled one imported unit — a near-perfect 1:1 swap. Under net billing, imports are charged at the full slab tariff while exports are bought back at a much lower **buyback rate (around Rs11/unit for new prosumers)**.

If you signed a valid net-metering agreement **before 9 February 2026**, you keep your old terms — including the higher **Rs25.32/unit** rate — until that agreement naturally expires. If you are installing today, you are on net billing. Either way, the lesson is identical: **size and schedule your system to consume your own generation, not to dump it on the grid.** We break the mechanics down further in our guide to the NEPRA net billing rules for 2026.

The new payback math (a worked example)

Take a typical Lahore household running 1,000–1,200 units a month, firmly in the Rs45–55 effective slab, considering a **7kW on-grid system** priced around **Rs950,000–1,150,000** installed in 2026.

• A 7kW system in Pakistan's sun generates roughly **900–1,000 units a month** on average.
• If you **self-consume 80%** of that (720–800 units) at Rs50 avoided cost, you save about **Rs36,000–40,000 a month**.
• Export the remaining 20% at Rs11 and you add another **Rs2,000–2,200**.
• Total monthly benefit: **~Rs38,000–42,000**, giving a simple payback of roughly **24–30 months**.

Now flip the self-consumption ratio. If you only self-consume 40% and export the rest at Rs11, your monthly benefit collapses toward **Rs20,000–24,000**, stretching payback past **4 years**. Same hardware, same sun — the only variable is **how much you use yourself.** Every future FCA only widens that gap, because it raises the value of the unit you avoid buying while leaving the buyback rate untouched.

Practical tips to capture Rs45–55 per unit

• **Shift heavy loads to daylight.** Run the washing machine, iron, water pump and dishwasher between 10am and 4pm.
• **Pre-cool before sunset.** In summer, cool rooms while the sun is still feeding your inverter.
• **Add a right-sized battery.** Even a modest lithium battery lets you store midday surplus to run evening loads at Rs50 value instead of exporting it at Rs11.
• **Don't oversize for export.** A system built to export is built to earn Rs11; a system built to self-consume earns Rs45–55.
• **Watch your slab.** Trimming grid imports can drop you into a cheaper slab, compounding the saving.

For a deeper walk-through of sizing and battery choices, see our home solar system sizing guide.

Frequently Asked Questions

**Why does the Rs1.11 August FCA appear on my October bill?** FCAs are calculated after a month's actual fuel costs are known, then reviewed and notified by NEPRA. That process creates a built-in two-month lag, so the August adjustment is recovered in October billing.

**Who is exempt from the Rs1.11 per unit fuel adjustment?** Lifeline consumers, electric-vehicle charging stations, and consumers on prepaid tariffs are exempt. Everyone else across the ex-WAPDA DISCOs and K-Electric pays it.

**Is a self-consumed solar unit really worth Rs45–55?** For mid-to-high-usage unprotected households, yes. The avoided cost of a top-slab grid unit — base rate plus FCA, QTA, financing surcharge, duties and 18% GST — reaches Rs45–55. That is the money self-consumption saves you, far above the ~Rs11 net-billing buyback.

**Should I still install solar under net billing in 2026?** Absolutely — but design for self-consumption, not export. Because FCAs keep lifting the value of each avoided unit, a system sized to cover your own daytime load still delivers a 2–3 year payback for most unprotected households.

The bottom line

The Rs1.11 FCA on your October bill is a small number with a big message: grid electricity in Pakistan is getting more expensive in ways you cannot predict or control. Solar is the one tool that lets you lock in your cost — and in 2026, its real power is not what you sell back, but every Rs45–55 unit you never have to buy. Design your system around **self-consumption**, and each future fuel adjustment quietly makes your investment pay off faster. Talk to our team about a self-consumption-first design built for the slab you're actually in.

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.