Pakistan's Solar Tariff Redesign 2026: What Fixed Capacity Charges and Time-of-Day Pricing Mean for Your Bill

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

Pakistan's **solar tariff redesign** is no longer a distant policy debate — it is arriving on your electricity bill in 2026. With rooftop and commercial solar now topping 25GW of installed capacity, the national grid is behaving in ways it was never designed for. Regulators, DISCOs and the IMF are all pushing for a structural overhaul built around three ideas: fixed capacity charges, time-of-day pricing, and a shift from net metering to net billing.

If you already own a solar system — or you are weighing one in 2026 — understanding the **Pakistan solar tariff redesign** is now essential to protecting your savings.

Why 25GW of Solar Broke the Old Tariff Model

Pakistan's solar adoption has been explosive. Cheap Chinese panels, crippling grid tariffs and frequent load-shedding pushed households and industries to install solar faster than almost anywhere on earth. The result is a reshaped national load curve.

During sunny daytime hours, millions of rooftops now generate their own power, so demand drawn from the grid collapses. Then, as the sun sets and solar output falls to zero, everyone switches back to the grid at once. Plotted on a graph, this dip-then-spike pattern looks like a duck — the now-famous **"duck curve."**

The problem is financial. Pakistan pays enormous fixed "capacity payments" to power plants whether they run or not. As consumers defect to solar during the day, fewer units are sold — but the fixed costs do not shrink. Those costs simply get spread across a smaller base of grid electricity, pushing per-unit tariffs even higher and driving still more people toward solar. This feedback loop is what energy economists call the **grid defection spiral**.

The Three Pillars of the Tariff Redesign

### 1. Fixed Capacity / Network Charges

In February 2026, NEPRA approved **fixed monthly charges of roughly Rs200 to Rs675 per kilowatt of sanctioned load** across WAPDA's DISCOs, beginning with industrial consumers under a two-part tariff. The logic: recover grid and capacity costs through a fixed charge tied to your connection size, not only through per-unit consumption.

For a solar owner, this is the single most important change. A fixed charge means you pay for grid access **even in a month where you import almost nothing**. The more of your bill that shifts from variable (per-unit) to fixed, the less a solar system can erase — because solar only reduces the units you buy, not the fixed line item.

### 2. Time-of-Day (Time-of-Use) Pricing

The government has been negotiating with the IMF to expand **time-of-use (ToU) pricing**, where electricity is priced by the hour to reflect real generation costs. Commercial and industrial consumers already see sharp differences:

• **Peak (roughly 5–11 PM):** Rs55+ per unit
• **Off-peak (roughly 10 PM–5 AM):** Rs25–30 per unit

Residential ToU is currently opt-in and requires a smart-meter upgrade. For solar owners this cuts both ways. Cheap daytime power undercuts the value of self-generated solar, but expensive evening peaks massively reward anyone who can **store** daytime solar in a battery and use it at night.

### 3. Net Metering Becomes Net Billing

Under the **NEPRA (Prosumer) Regulations, 2026** — effective 9 February 2026 — new solar consumers moved from net metering to **net billing**. Your exported unit is no longer swapped one-for-one against an imported unit.

• New prosumers are paid a reduced buyback of **Rs8.13 per unit** for exports (down sharply from the previous rate).
• Existing, grandfathered consumers keep **Rs25.32 per unit** until their agreement expires.
• The contract period was shortened from seven to five years.

We covered the mechanics in depth in our guide to the NEPRA net billing rules for 2026. Read NEPRA's own documents on the official regulator website before signing any new agreement.

Old Model vs. New Model at a Glance

| Feature | Old Net Metering | 2026 Tariff Redesign | |---|---|---| | Export credit | 1 unit out = 1 unit in | Buyback ~Rs8.13/unit (new users) | | Grid/fixed charge | Minimal | Rs200–Rs675 per kW of load | | Pricing | Mostly flat per-unit | Time-of-day (peak vs off-peak) | | Best time to export | Any time | Evening peak (if time-differentiated credit arrives) | | Contract length | 7 years | 5 years | | Ideal system | Oversized, export-heavy | Right-sized + battery storage |

What This Actually Means for Your Bill

The redesign rewards a very different kind of solar setup than the one most Pakistanis bought in 2023–2024.

• **Oversizing to "sell back" no longer pays.** With buyback at Rs8.13 and a flat export credit, dumping surplus to the grid is poor economics. Size the system closer to your daytime self-consumption.
• **Self-consumption is king.** Every unit you use directly while the sun shines avoids a grid unit worth far more than the export rate. Shift pumps, washing, and industrial loads to daylight hours.
• **Batteries move from luxury to core.** When evening peaks hit Rs55+ and daytime export is nearly worthless, storing your own solar for the 5–11 PM window becomes the highest-value play in the whole system.
• **Fixed charges are unavoidable.** Budget for them. A larger sanctioned load now carries a larger monthly cost regardless of usage, so review whether your connection is bigger than you need.

Energy analysts have urged regulators to pair these changes with a **time-differentiated export credit** that pays solar owners more for evening exports — the hours the grid is most stressed. If adopted, a west-facing array or a battery that discharges into the grid at dusk could become genuinely profitable again.

The Bigger Picture: From Generation to Storage

Power Minister Awais Leghari has framed Pakistan's challenge as shifting "from generation to storage," with a stated ambition of **90% clean energy by 2035**. The tariff redesign is the price signal meant to get there: flatten the duck curve, make daytime power cheap, and make storage the smart investment.

For a practical, original takeaway from our installs across Punjab and Sindh in 2026: homeowners who added even a modest 5kWh battery and shifted their heaviest loads to daytime are seeing far better returns under net billing than neighbours who simply oversized panels to chase exports. The policy has changed — and the winning solar strategy has changed with it.

Frequently Asked Questions

**Will the solar tariff redesign make my existing system worthless?** No. If you signed a valid net-metering agreement before 9 February 2026, you are grandfathered at the old Rs25.32 per unit buyback until your contract expires. The redesign mainly affects new connections and introduces fixed charges that apply to all grid-connected consumers.

**Are fixed capacity charges already on residential bills?** The Rs200–Rs675 per kW fixed charges were rolled out first under the industrial two-part tariff in 2026, with broader application across DISCOs expected as the redesign deepens. Check your latest bill for any "fixed" or "capacity" line item separate from energy charges.

**Is time-of-day pricing mandatory for home solar owners?** Not yet. Residential time-of-use is currently opt-in and requires a smart meter. Commercial and industrial consumers already face peak and off-peak rates. It is wise to assume ToU is coming and design your solar plus storage around the evening peak.

**Should I still install solar in Pakistan in 2026?** Yes — but design it differently. Prioritise daytime self-consumption and battery storage over export-heavy oversizing. Under net billing and time-of-day pricing, solar that offsets your own expensive grid units (especially in the evening peak) still delivers strong savings.

The Bottom Line

Pakistan's **solar tariff redesign** is a direct response to the 25GW boom and the duck curve it created. Fixed capacity charges, time-of-day pricing and net billing reduce the easy money from exporting, but they sharpen the value of self-consumption and storage. Solar still pays in 2026 — you simply have to build it for the grid we now have.

Thinking about a battery-ready system tuned for the new rules? Talk to Best Solar Company PK for a right-sized design that protects your savings under the tariff redesign.

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.