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How much could you save?

Enter your details below for a personalised estimate based on your location, panel position and energy use.

Your location

Region

Your system

System size

400W (1 panel) 800W (2 panels) — max UK legal

Panel orientation

South East / West North

Panel position

Angled (ground / roof) Vertical (balcony railing)

Your electricity

Unit rate (p/kWh)

Home during the day?

Yes Mostly out

Estimated kit cost (£)

Estimated annual saving

£0

per year

kWh generated per year

year payback period

£0

estimated 20-year return

Estimated monthly generation (kWh)

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Estimates are based on PVGIS solar radiation data and the Ofgem April 2026 price cap (27.69p/kWh). Results are indicative only. Actual savings depend on shading, panel quality, self-consumption and tariff. Battery storage and time-of-use tariffs can increase savings significantly.