Solar energy calculator

This solar energy calculator estimates the income and savings that you could make from the Feed-in Tariff available throughout the UK in England, Scotland and Wales, for PV installations up to 4kWp.

The calculator uses the latest tariff rates. For more information on the latest tariff rates visit the energy saving trust website.


Solar PV calculator provided courtesy of Solar Guide.

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Use our solar calculator to work out how much you could earn with the Feed-in Tariff

Our solar calculator will provide you with an unbiased representation of the potential payback you could earn from Solar PV.

The Government's Feed-in Tariff scheme provides you with payment for the energy you generate whether you use it or not.

Plus... the energy you don't use will be sold back to the grid earning you even more.

solar calculator