TOOL 03 OF 04·25-YEAR FINANCIAL LCOE MODEL
Solar Financial ROI & Payback Calculator
Model your 25-year financial return on investment, Levelized Cost of Electricity ($LCOE$), simple payback period, and lifetime net profit against escalating grid power rates.
1. Financial & System AssumptionsINDIAN DISCOM MODEL
5 kWp System
1 kW (Rooftop)10 kW (Commercial)50 kW (Industrial Plant)
Includes panels, inverter, BOS & installation
Avg Indian commercial/residential slab
Annual Tariff Escalation:5% / yr
Peak Sun Hours (P.S.H.):5.2 Hours
Key Investment Milestone Schedule
Year 01 Savings
₹64,532
7,592 units gen
Year 10 Cumulative
₹5,52,116
Pure Net Profit
Year 25 Cumulative
₹26,26,063
1094% Total ROI
Financial Returns & Payback
HIGH YIELDESTIMATED PAYBACK PERIOD
3.5 Years
FREE ELECTRICITY FOR REMAINING 21.5 YEARS
TOTAL INITIAL INVESTMENT:₹2,40,000
LEVELIZED COST OF ENERGY (LCOE):₹1.34 / unit (vs ₹8.5 Grid)
25-YEAR NET PROFIT:₹26,26,063
LIFETIME ROI PERCENTAGE:+1094%
CO₂ CARBON OFFSET REDUCTION:146.6 Metric Tons (~6597 Trees)