September FCA: Another Rs2.56/Unit Bill Hike — Why Solar Users Don't Pay

• By Best Solar Company PK
• 19 Oct, 2026
• Solar Policy
• 8 min read

If you felt your October electricity bill creep up again, you were not imagining it. A **Rs1.11 per unit** fuel cost adjustment (FCA) was already baked into October bills. Now the Central Power Purchasing Agency (CPPA) has asked NEPRA to approve a further **September fuel cost adjustment of Rs2.56 per unit** — and the regulator will hear the request in a public hearing on **October 29, 2026**.

For grid-dependent households and businesses, this is the same story on repeat: a new fuel cost adjustment almost every single month. For anyone running on rooftop solar self-consumption, most of this simply does not apply. Let's break down what the September FCA means, why these hikes keep coming, and how solar insulates you from them.

What is the September FCA of Rs2.56/unit?

The fuel cost adjustment is a monthly mechanism. NEPRA sets a **reference fuel cost** when it fixes your base tariff. When the *actual* cost of generating electricity in a given month runs higher than that reference — because of expensive imported coal, furnace oil, RLNG or a weak rupee — distribution companies pass the gap on to you as a positive FCA a couple of months later.

For September, CPPA told NEPRA that the fuel cost of generation was estimated at **Rs7.46 per unit** but actually climbed to **Rs10.02 per unit** during the month. Total fuel costs hit **Rs127.87 billion**, while DISCOs sold **12.76 billion units** to consumers. To recover that gap, CPPA is seeking the **Rs2.56 per unit** adjustment, which would land in bills issued around November if approved.

That comes right after NEPRA already notified a **Rs1.11 per unit** positive FCA (for August consumption) in **October bills** — an added burden of roughly **Rs16 billion** across all consumers, as Dawn reported. Stack them and grid users are absorbing fuel-cost pass-throughs month after month.

Why these hikes never seem to stop

The FCA is structural, not a one-off. Pakistan's grid still leans heavily on imported fuels priced in dollars, so three forces keep pushing actual generation costs above the reference:

• **Fuel import prices** — global coal, oil and LNG swings feed straight into generation cost.
• **Rupee-dollar movement** — a softer rupee inflates the PKR cost of every imported unit of fuel.
• **Generation mix** — when cheap hydel or nuclear output dips, costlier thermal plants fill the gap.

On top of the monthly FCA, grid consumers also face **quarterly tariff adjustments (QTAs)** and periodic base-tariff revisions. The result is a bill that only ever seems to travel in one direction. These surcharges apply per unit you *import from the grid* — which is exactly the number good solar design is built to shrink.

How solar self-consumption sidesteps the FCA

Here is the core point most people miss: **the fuel cost adjustment is charged on the units you draw from the grid.** Every unit your own rooftop panels produce and you consume on the spot is a unit the grid never bills you for — no base tariff, no FCA, no QTA, no GST, no electricity duty on it.

A well-sized system in Pakistan's strong sun belt covers the bulk of daytime load directly. When CPPA's next FCA petition lands — and there will always be a next one — your self-consumed solar output is untouched. You are effectively locking in a fixed cost of generation (your one-time system price spread over 25+ years) instead of riding every monthly fuel swing.

The contrast is stark:

| Factor | Grid-only consumer | Solar self-consumption | | --- | --- | --- | | Monthly fuel cost adjustment | Applies to every unit | Avoided on self-used units | | Quarterly tariff adjustment | Applies | Avoided on self-used units | | Exposure to rupee / fuel prices | Full | Minimal | | Cost predictability | Low (changes monthly) | High (fixed upfront) | | Typical unit cost trend | Rising | Flat / falling over time |

Does net billing change the maths?

It changes part of it — but not the part that matters most. Under the **NEPRA (Prosumer) Regulations, 2026**, new rooftop consumers moved from net metering to a **net billing** model. Exported surplus is now bought back at a lower fixed rate (reported around **Rs11 per unit** for new prosumers, well below the old **~Rs25–27**), while prosumers who signed a net-metering agreement **before February 9, 2026** keep their old buyback rate. We covered this shift in detail in our guide to the NEPRA net billing rules for 2026.

The takeaway for buyers today: the economics now reward **self-consumption over export**. Exporting a unit earns you the modest buyback rate; *using* that unit yourself saves you the full retail tariff **plus** every FCA and surcharge on top. In a world of relentless fuel adjustments, the unit you consume is worth far more than the unit you sell. That tilts system design toward hybrid setups with batteries that store midday surplus for evening use.

What it costs to stop paying the FCA

Solar pricing in Pakistan has fallen sharply, which shortens payback even as buyback rates drop. As a practical 2026 snapshot:

• **Solar panels:** roughly **Rs25–45 per watt** for the panels alone.
• **On-grid 10kW system (installed):** about **Rs1.4–1.9 million**.
• **Hybrid 10kW system with battery:** about **Rs2.0–2.5 million**.
• **Installed cost per watt:** around **Rs95–130** on-grid, **Rs140–180** hybrid.

With grid tariffs plus FCA routinely pushing effective per-unit costs well into the mid-tier slabs, many households and SMEs see payback in roughly 3–5 years — after which that self-consumed electricity is close to free for the system's remaining life. Our solar payback and savings breakdown walks through the slab-by-slab numbers.

One practical, first-hand tip from our installs: **size for your daytime base load first, then add battery for evening peaks.** Oversizing purely for export no longer pays under net billing — matching generation to consumption is where the real, FCA-proof savings sit.

Frequently Asked Questions

**What is the September fuel cost adjustment of Rs2.56 per unit?** It is an extra per-unit charge CPPA has asked NEPRA to approve to recover the gap between September's reference fuel cost (Rs7.46/unit) and the actual cost (Rs10.02/unit). NEPRA holds a public hearing on October 29, 2026, and if approved the charge would appear in bills around November.

**Is this on top of the Rs1.11 already added to October bills?** Yes. NEPRA already notified a Rs1.11 per unit positive FCA in October bills for August consumption. The Rs2.56 request is a separate adjustment for September — the two are stacked, which is why grid bills keep rising month after month.

**Do solar users pay the fuel cost adjustment?** The FCA applies to units you import from the grid. Units your panels generate and you consume directly are not billed by the grid at all, so no FCA, tariff or surcharge applies to them. You only pay FCA on whatever top-up power you still draw from the grid.

**Does net billing make solar less worthwhile?** It lowers the value of *exported* surplus, but self-consumed solar still avoids the full retail tariff plus every FCA and surcharge. That makes hybrid systems with batteries — which maximise self-use — more attractive than export-heavy setups under the 2026 rules.

The bottom line

The Rs2.56/unit September FCA is not an anomaly — it is the system working exactly as designed, passing fuel-price volatility straight to grid consumers, hearing after hearing. Rooftop solar does not win by beating the grid on any single month's rate; it wins by **removing most of your units from the monthly-hike machine entirely.**

If you are tired of opening a new bill with a new surcharge, the fix is structural too. Talk to Best Solar Company PK for a load assessment and a system sized for self-consumption — and start paying yourself instead of the next FCA.

Sources: ARY News · Dawn · Profit by Pakistan Today — net billing

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.