Home Worked examples Solar system size and output references
Worked examples

Solar system size and output references

Illustrative 2–12 kWp solar-system output ranges. Each page explains why postcode, orientation, pitch and shading matter more than a national average.

2 kWp solar systemIllustrative annual generation range 1,600–2,000 kWh before site-specific modelling3 kWp solar systemIllustrative annual generation range 2,400–3,000 kWh before site-specific modelling4 kWp solar systemIllustrative annual generation range 3,200–4,000 kWh before site-specific modelling5 kWp solar systemIllustrative annual generation range 4,000–5,000 kWh before site-specific modelling6 kWp solar systemIllustrative annual generation range 4,800–6,000 kWh before site-specific modelling7 kWp solar systemIllustrative annual generation range 5,600–7,000 kWh before site-specific modelling8 kWp solar systemIllustrative annual generation range 6,400–8,000 kWh before site-specific modelling10 kWp solar systemIllustrative annual generation range 8,000–10,000 kWh before site-specific modelling12 kWp solar systemIllustrative annual generation range 9,600–12,000 kWh before site-specific modelling
Inputs on these pages are illustrative. Replace them with your own tariff, product, quote or household figures in the linked calculator before making a decision.