How much does a 10kW solar system generate?

A 10 kWp solar system generates roughly 9,000 kWh a year in the UK — enough to cover a large share of a typical home's electricity.

A 10 kWp solar system generates roughly 9,000 kWh a year in the UK — enough to cover a large share of a typical home's electricity.

Output varies with roof direction, shading and weather, but ~900 kWh per kWp is a good UK average.

2026 figures, based on Energy Saving Trust, Ofgem & gov.uk data · always confirm with a professional survey.

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