As a general rule a PV system (see our solar products page) will pay for itself in approximately 8 to 10 years. The FIT, or Feed in Tariff, which guarantees a price for the electricity you produce, lasts for 25 years. Not only that, but it is linked to the Retail Price Index, unlike all saving accounts offered by banks or building societies. So taking this 8 to 10 years to pay for the system then leaves effectively 15 years of profit. And remember, all payments from the FIT are free!
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