Sun Wave Knowledge Centre
Practical solar finance guidance, analysis and updates for commercial and industrial solar buyers.
What should a factory pay per unit for its own rooftop solar in 2026? A transparent LCOE derivation from Sun Wave's ₹23,000/kW CAPEX reference, a sensitivity table, and the grid and DG comparison that decides the business case.
Battery storage costs in India 2026: ₹1.0-1.3 lakh per kWh installed, LCOS ₹4-7/kWh, record BESS auction tariffs, VGF support and what C&I arbitrage actually pays today.
No central subsidy exists for commercial and industrial solar - PM Surya Ghar is residential-only. What C&I buyers get instead: 40% accelerated depreciation, 5% GST with input credit, state incentives.
An audit-ready evidence pack for renewable electricity, BRSR Core energy data, supplier requests, environmental attributes and double-counting controls.
A CFO-focused guide to the MSE-GIFT 2% interest subvention for eligible micro and small enterprises, including the closed sanction window and lender diligence.
How 5% renewable-energy goods, the 70:30 project valuation and Section 17(5) can affect solar EPC GST and factory input tax credit.
How to assess whether an Indian solar PPA contains a lease, from identified assets and control to right-of-use accounting and contract diligence.
How India’s central ToD framework changes factory solar savings, why peak and solar-hour prices differ, and how to model ROI from interval data.