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Free Tool · Solar Finance

Solar EMI & Cash-Flow Calculator

Solar EMI & Cash-Flow Calculator — quick estimate

A financed solar plant lives or dies on one number: does the monthly saving cover the monthly EMI? Set your loan terms and see the net cash flow, total interest and the month the project turns cash-positive.

Your plant and loan

250 kWp
₹9.00/kWh
₹45,000/kW
20%
10.00%
5 years

Assumes every unit generated is consumed on site. If you export surplus, savings on those units will be lower than shown — a site survey and twelve months of bills settle this.

Net monthly cash flow (saving − EMI)
Monthly EMI
Year-1 monthly saving
Project cost
Down payment
Loan amount
Total interest
Total repayment
Cash-positive from
What this means
Annual EMI outgo vs annual saving
The EMI is flat for the whole tenure; the saving grows with tariff escalation. Where the blue line crosses above the amber one, the plant is funding itself.

Get a bankable proposal for your lender

Our engineers will size the plant for your roof and load, and prepare the technical and financial pack your bank needs. Your estimate above is attached automatically.

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Indicative estimates only, not a loan offer or a quotation. Actual EMI, sanction and rate are decided by your lender.

Questions engineers and CFOs ask

Will my solar savings cover the EMI?

Often yes for C&I rooftop at a healthy tariff, but it depends on three things: your blended tariff, the interest rate and the tenure. A longer tenure lowers the EMI and makes the project self-funding sooner, at the cost of more total interest. This tool shows both figures side by side so you can see the trade-off rather than guess at it.

What is a realistic interest rate for a commercial solar loan in India?

Rates depend on your credit profile, the lender and whether the loan is secured against the asset or your existing limits. Rather than quote a number that may not apply to you, the tool lets you enter the rate your bank has actually offered and see what it does to your cash flow.

Does the calculator account for the electricity tariff rising over time?

Yes. The EMI stays flat for the whole tenure while the saving grows with tariff escalation, which is why a project that is slightly cash-flow negative in year 1 can turn positive later. The tool reports the month in which that crossover happens.

What happens after the loan is repaid?

The EMI stops and the full saving becomes free cash flow for the remaining life of the plant. Modules typically carry 25-year performance warranties, so a 5-year loan on a 25-year asset leaves roughly two decades of unencumbered generation. That tail is where most of the lifetime value sits.

Need an exact BOQ, rate analysis or measurement sheet?

This is a quick engineering estimate. For tendering, billing or audit, our QS & estimation team prepares an item-wise BOQ, rate analysis and a verified measurement sheet to IS / CPWD norms — backed by 15+ years and ISO 9001:2015 quality processes.

ONE PARTNER. END TO END. You focus on your business — we handle the rest.
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