How much electric will my PV panels generate?

A 4kWp system in Cornwall on an unshaded south facing roof can generate over 4000 units (kWh) per year. If your roof is East or West facing you’re still likely to generate 3400 units (kWh) per year. The average household in the UK uses around 3200 units per year, so living in Cornwall is a definite benefit! Depending on when and how you use your electric depends on how much impact your PV system will have on your bills. With a bit of information about your electric usage and habits, Naked Solar can produce incredibly accurate bespoke forecasts thanks to their PV Sol modelling software.

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