Solar ROI Calculator
আপনার সোলার বিনিয়োগের পে-ব্যাক ও রিটার্ন জেনে নিন
For on-grid solar systems — see your payback period, savings and lifetime return, instantly.
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Assumptions used
- System type: on-grid, net-metered solar
- Monthly bill basis: ৳1,00,000
- Tariff rate used: ৳11.56/kWh (assumed flat — no tariff escalation)
- Installation cost: ৳45,000/kW
- Avg. daily generation: 3.5 units/day per kW
- Panel degradation: 0.3%/yr
- O&M cost: ৳1/Wp in year 1, escalating 3%/yr
- Projection horizon: 30 years
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