Solar ROI Calculator — Pakistan Edition

Solar ROI Calculator - Pakistan | Payback & Investment Analyzer

📊 Solar ROI Calculator — Pakistan Edition PKR based

Enter your system costs, monthly bill, and financing details. Get accurate payback period, IRR, lifetime savings.

🛠️ Solar Panels Total Cost (PKR)

Longi / Jinko / Canadian — approx 7kW to 10kW

⚙️ Inverter Cost (Hybrid / On-Grid) (PKR)

Inverex / Growatt / Fronius — hybrid recommended

🔋 Battery Bank Cost (optional) (PKR, 0 if none)

Lithium or Lead-carbon, backup hours increase savings potential

🔧 Installation & Civil Work (PKR)

Structure, wiring, labor, net metering processing

💡 Monthly Electricity Bill (PKR)

Current grid expense without solar

📈 Expected Bill Offset (%) (Solar coverage)

Depends on system size & net metering, typical 75-95%

🏦 Annual Tariff Escalation (%) (PK inflation + tariff hike)

Pakistan's energy inflation ~ 6-9% annually

💡 Market reference (PKR): 7kW system: panels 350k, inverter 180k, battery 220k (optional), install 80k. Adjust based on quotes.

Total Investment

PKR 0

one-time cost

Monthly Savings

PKR 0

reduction in bill

Payback Period

— yrs

break-even time

20-Year Net Profit

PKR 0

after investment

📈 Return on Investment (ROI) Summary

💰 ROI %0%

* Calculations based on net metering benefit, 5% annual degradation offset by tariff escalation. System life: 20-25 years. Battery maintenance not included (lithium long life).