This guide provides a component-by-component cost breakdown for solar systems in Pakistan — on-grid and hybrid, ongoing maintenance costs, and how to calculate your payback period.
5 kW On-Grid System — Itemised Breakdown
| Component | Specification | Cost Range |
|---|---|---|
| Solar panels | 10 x 545W Tier-1 | Rs. 380,000-500,000 |
| String inverter | 5 kW Huawei or Sungrow | Rs. 90,000-150,000 |
| Mounting structure | Galvanised steel or aluminium rails | Rs. 40,000-80,000 |
| DC and AC cables | 4 mm2 DC, 6-10 mm2 AC | Rs. 25,000-50,000 |
| Earthing, breakers, accessories | Copper earthing rod, MC4 connectors | Rs. 15,000-30,000 |
| Installation labour | 2-day crew of 3-4 workers | Rs. 25,000-60,000 |
| Total on-grid 5 kW | Rs. 575,000-870,000 |
Additional Cost for Hybrid Battery System
| Upgrade | Specification | Additional Cost |
|---|---|---|
| Hybrid instead of string inverter | 5 kW Growatt or Deye | +Rs. 30,000-80,000 |
| LiFePO4 battery bank | 10 kWh PYLONTECH or equivalent | +Rs. 350,000-500,000 |
| Battery wiring and breakers | — | +Rs. 10,000-20,000 |
| Total hybrid 5 kW + 10 kWh | Rs. 965,000-1,470,000 |
Ongoing and Replacement Costs to Budget For
Annual professional maintenance contract: Rs. 15,000-40,000 per year covering panel cleaning, cable inspection, and inverter checkup. Panel cleaning (professional): Rs. 2,000-5,000 per session. Lead-acid battery bank replacement every 3-5 years: Rs. 150,000-250,000 for a 10 kWh bank. Inverter replacement after 10-15 years: Rs. 80,000-200,000 for a quality brand. These are predictable future costs — factor them into your total lifecycle cost comparison.
Calculate Your Payback Period
Estimate annual electricity savings: system size (kW) x 4.5 peak sun hours x 365 days x system efficiency (0.80) x your electricity rate per unit. Example: 5 kW x 4.5h x 365 x 0.80 x Rs. 30/unit = Rs. 197,100/year in savings. Payback: Rs. 700,000 installation cost divided by Rs. 197,100/year = approximately 3.5 years. At 2026 tariffs, most residential installations pay back within 3-5 years.
Installation and System Problems
Request 2 additional quotes from different vendors. Check whether quotes include batteries (which significantly increases cost) or premium brands above standard Tier-1. Also verify the current PKR/USD exchange rate has not moved substantially since this guide was updated.
An unusually low quote often indicates unknown-brand panels, an undersized inverter, minimal cable quality, or missing earthing and safety components. Ask the low-bid vendor to itemise every component for a meaningful comparison.
Frequently Asked Questions
No — your DISCO installs the bidirectional net meter as part of the net metering approval process at their own cost. You pay the DISCO processing fee but not separately for the meter itself.
Commercial installations can deduct solar loan interest as a business expense. Residential solar doesn't currently have a specific income tax deduction provision. Consult a registered tax practitioner for advice specific to your situation.