Solar ROI Scenario Calculator
Test how editable CAPEX, energy-yield, tariff, OPEX and discount-rate assumptions affect a 25-year scenario. The result is not a forecast, quote or investment recommendation.
Project Inputs
The displayed defaults are example inputs only. Replace them with the buyer's own evidence before using the scenario.
Enter your own total project CAPEX basis. This is not a JUSTSOLAR module quote.
Replace the preset with a site-specific PVGIS, PVWatts or engineering-model output.
Your avoided electricity rate or PPA price
Advanced Settings
Modeled scenario metrics
Assumption-based summary
Separate the scenario from the commercial review
This output is not a return forecast, engineering model, module price, stock statement, financing offer or delivery commitment. Send buyer type, country, product, quantity and destination port for Frank / Director review. Final price and payment terms are confirmed only in the formal offer and PI.
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Save your inputs and results for reference. A commercial offer requires Director review.
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Method limit: Results depend entirely on the inputs and omit site-specific engineering, tax, curtailment, permitting, grid, financing and contractual risks. Verify the model independently before making design, procurement, financing or investment decisions.