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Get an instant estimate of your solar system size, annual savings, and environmental impact. Powered by accurate Nepal climate data.
Your Details
🏠
sqm
201,000
Projected Savings
Cumulative impact over 25 years
NPR 53.8L
25-year total
NPR 10.8L
5y
NPR 21.5L
10y
NPR 32.3L
15y
NPR 43.0L
20y
NPR 53.8L
25y
4.5 hrs/day
☀️ Nepal Sun Hours
25+ Years
🔋 System Life
1,304 kWh/kWp
⚙️ Specific Yield
4.2 yrs
💵 ROI Period
Estimated System Cost
NPR 9.0L
For 15 kWp • All-inclusive: Equipment + Installation
Usable Roof Area
65 sqm
65% of gross roof area
DC Capacity
15 kWp
Installed panel capacity
AC Capacity
12 kW
After inverter conversion
Annual Generation
19,563 kWh
System output per year
Operating Cost (20 yrs)
NPR 1.00/Wp
Total O&M ≈ NPR 15,000
Annual Savings
NPR 215,190
Electricity cost saved yearly
Payback Period
4.2 Years
Time to recover investment
CO₂ Reduction
16 Tons/yr
Annual CO₂ offset from clean energy
Trees Planted Equivalent
515 Nos
Annual environmental impact
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Worked Examples
Reference scenarios showing how roof area translates into capacity, savings, and impact.
| Parameter | 🏠 Residential | 🏭 Industrial |
|---|---|---|
| Roof Area (Sq. m.) | 100 | 10,000 |
| Usable Roof Area (Sq. m.) | 65 | 6,500 |
| DC Capacity (kWp) | 15 | 1,505 |
| AC Capacity (kW) | 12 | 1,158 |
| Annual Generation (kWh) | 19,563 | 1,956,270 |
| Operating Cost for 20 Years (NPR/Wp) | 1.00 | 1.55 |
| Annual Savings (Rs.) | 215,190 | 13,693,891 |
| Payback (Yrs) | 4.20 | 4.62 |
| CO₂ Emission Reduction (Tons/Year) | 16 | 1,610 |
| Equivalent Trees Planted (Nos) | 515 | 51,525 |
Figures are indicative estimates based on 65% usable roof area, 1,300 kWh/kWp annual yield, and current Nepal market rates.
✓ Estimates based on real Nepal climate data • No account required • Results updated instantly
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