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Commercial Solar ROI: Why Every Business Should Go Solar in 2025
By CIVOLT Team 20 May 2025 7 min
The Business Case
A 100 kW commercial rooftop plant costs ₹40–45 lakhs, generates ₹8–10 lakhs annually in savings, and pays back in 4–5 years. Over 25 years: ₹1.8–2 crores of net gain.
Tax Benefits
Accelerated depreciation of 40% in Year 1 under Section 32 of Income Tax Act. GST at 12% (as against 18% earlier). Effectively reduces payback by 12–18 months.
Model Choice
CAPEX (you own): fastest payback, best long-term ROI. OPEX/PPA (developer owns): zero upfront cost, guaranteed 15–25% savings on tariff. RESCO: hybrid.