Solar System Cost Calculator
Select the system type and plant capacity to calculate the workbook-based sale price, margin, subsidy and net customer cost.
Configure your system
The rate logic below is mapped from the uploaded Excel reference.
Apply workbook subsidyCentral + state subsidy where present in the sheet
Note: capacities are limited to the exact consolidated workbook bands (2, 3, 5, 8 and 10 kW). Prices are reference-sheet values, not a live government quotation.
3 kW On-Grid System
Workbook-based estimate for 1 installation
Net customer cost after subsidy
₹69,891
₹59,297 / kWSale price before subsidy
Sale price₹1,77,891
Workbook subsidy₹1,08,000
Margin amount₹35,578
Cost incl. sheet tax factor₹1,42,313
Margin %20%
Selected capacity3 kW
Price breakdown
Base cost / cost with applicable tax₹1,42,313
Sale margin₹35,578
Sale price before subsidy₹1,77,891
Less: eligible subsidy in workbook− ₹1,08,000
Estimated net payable₹69,891
Workbook configuration note
On-Grid uses a DCR / Non-DCR module mix by capacity, equipment taxes by category, and a 20% margin on cost.