Guided Workflow
Step 1 of 7. Follow the sequence to turn a rough idea into a homeowner-ready solar plan.
Solar Calculators
Follow the full planning flow or jump straight to the calculator you need.
Start Here
Build your solar plan in one guided flow
Enter your household basics once. We’ll carry them through system sizing, solar production, savings, financing, and incentives so you don’t keep retyping the same assumptions.
kWh/yr
$/kWh
$/W
What the workflow answers
- How big your system should be
- How much your roof can produce
- What solar is likely to save you
- Whether cash, loan, or lease looks better
- Which incentives still matter in 2026
System Size Calculator
kWh → kW, panel count, roof area.
Open →Solar Savings Calculator
25-year savings, payback, ROI, NPV.
Open →Payback / ROI Calculator
Break-even and return on investment.
Open →Lease vs Buy vs PPA
Compare ownership options.
Open →Battery Storage Sizing
Size a backup battery bank.
Open →Solar Loan Calculator
Monthly payment and total interest.
Open →Net-Metering Estimator
Export credit savings by rate.
Open →Bill Savings Estimator
New monthly bill after solar.
Open →Solar Potential (by address)
Address → PVWatts production.
Open →