Flagship tool · the reborn Solar Index
Solar Savings Calculator
Two numbers you already know — your monthly bill and roughly what you pay per kWh — become an honest estimate of system size, cost, savings, and payback. Defaults are national averages; override any of them.
No federal credit applies: the Residential Clean Energy Credit ended for homeowner purchases after December 31, 2025. State and utility incentives may still reduce your cost — check DSIRE.
How to read this
This is a screening estimate, not a quote. Production varies with your roof's orientation and shading — model your address precisely with the free NREL PVWatts tool — and your export compensation depends on your state's net metering rules. Assumptions and sources are documented on the methodology page.
Next steps: check incentives in the Tax Credit & Incentives Estimator, stress-test break-even in the Payback Calculator, and compare financing in the Loan vs. Lease vs. Cash Comparator.