Solar payback
A simple payback period from net install cost, self-consumption and the buy and sell prices.
Open a calculatorSimple payback
Years are cost ÷ yearly saving. No discount rate, no inflation, no repairs. The PV payback page does the same job for a solar kit.
What you pay upfront — purchase price or initial outlay, not loan instalments.
What you pay upfront — purchase price or initial outlay, not loan instalments.What stays in your pocket each year from this investment — bill savings or extra income, not a monthly figure.
What stays in your pocket each year from this investment — bill savings or extra income, not a monthly figure.Years
4
Years: 4
A two-year payback at a falling tariff can still be a poor NPV.
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An educational estimate. Not medical, tax or credit advice.