Insights

Solar project IRR calculator

A first screen on any solar project in under a minute. Change an input and the returns update as you type.

Unlevered project IRR  
NPV at discount rate
Simple payback
Year 1 revenue
Net cost after ITC

Screening estimate only: unlevered and pre-tax, ITC received in year 1, no depreciation, debt or financing costs. The full models handle all of these.

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The same calculator as a one-tab Excel file you can save and share, free. We'll also send occasional modeling notes; unsubscribe any time.

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Ready for the full picture?

Debt sizing, tax credit adders, subscriber economics and sensitivities are in the Community Solar Project Pro Forma.