SolRand

Solar payback calculator

Set your bill and pick a system. Price, saving, payback and the lease alternative update together, and the curve redraws underneath.

Your home

System

Installed price-once-off, estimated
Monthly saving-first year, average month
Payback period-with tariff rising yearly
Bill after solar-per month, before fixed charges
Generation-panels: -
25-year net benefit-after installed price
Lease alternative-per month, 84-month term

Payback curve: cumulative net benefit by year

Low installed priceHigh installed priceBreak-even

Buy vs lease: total outlay

Buy, low est.
-
Buy, high est.
-
Lease, low est.
-
Lease, high est.
-
OptionWhat you payTotal or paybackOwnership

Price ranges come from the prices and data page. Nothing you type leaves your browser.