Free solar contract help for homeowners
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Solar Cost Calculator
Your Solar Agreement
Enter the numbers from your contract or latest bill. Results update instantly.
Compare with utility power
over the next 20 years
Estimate only. Assumes one fixed increase per year. Your agreement may calculate payments, fees, and buyouts differently.
How to Read Your Results
Four numbers worth paying attention to.
Total remaining cost
Everything you are scheduled to pay from today until the agreement ends.
Final monthly payment
What your payment grows to in the last year once the escalator has compounded.
Cost of the escalator
How much extra the yearly increases add compared with a flat payment.
Solar vs. utility
Whether your agreement is likely to cost more or less than paying the utility.
About These Estimates
This calculator uses the numbers you enter and assumes your payment rises by the same percentage once a year. Real agreements may calculate increases differently, include fees, or change with production for PPAs. Utility rates rarely rise at a steady pace.
For an exact answer, send your agreement for a free review or call (520) 686-7921. We will read the actual escalator, buyout, and termination terms in your contract.
Paying More Than You Expected?
Find out what your agreement actually allows. Free review, no obligation.