How to Calculate ROI of a Solar System in Pakistan (2025)
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How to Calculate ROI of a Solar System in Pakistan (2025)
Investing in solar is smart — solar for apartments Karachi but how quickly does it pay back? Let’s calculate your return on investment (ROI) in simple steps.
🔹 1. Find Your Average Electricity Bill
Example: PKR 25 000 per month × 12 months = PKR 300 000 / year
🔹 2. Estimate Solar System Cost
Example: 10 kW Ongrid ≈ PKR 1 000 000 installed
🔹 3. Annual Savings with Net-Metering
10 kW × 1 500 units × PKR 45 = PKR 675 000 savings per year
🔹 4. ROI Formula
ROI = (Cost ÷ Annual Savings) = 1.48 years ≈ 18 months payback!
⚙️ Best Systems for High ROI
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Growatt 10 kW Ongrid — Net-metering ready
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Trina 610 W Panels — High efficiency
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Dyness Battery 51 V — Long life storage
🧮 Pro Tip
Use Urban Energy’s ROI Calculator Sheet to compare systems and find the best return.
