Solar export income calculator
A typical 4kW system in central Scotland generates around 3,400 kWh per year and earns roughly £250–£290 in SEG export income at 12p/kWh, plus grid savings. Enter your postcode for a personalised figure. A free survey gives exact results.
Yield per PVGIS / MCS MIS 3002. Central/south Scotland: SPEN. North/Highlands/Islands: SSEN. We handle all G98/G99 paperwork.
Export income calculator
Rates checked August 2026. Rates change — confirm with your supplier.
EH1 · 4kW · 12p/kWh
Annual generation
3,480kWh
Total annual value
£612/yr
Illustrative estimate. Assumes 35% self-consumption, 28p/kWh peak import, 12p/kWh export.
Actual results depend on your usage, orientation and weather. A free survey gives exact figures.
Cite or embed this calculator
Solar Export Rates Scotland — Export Income Calculator. https://solarexportrates.co.uk/calculator. Checked August 2026.Free to cite with attribution. Data sourced from PVGIS and published SEG tariffs.
Finance options may be available through our MCS-accredited installer partners, subject to status and eligibility. Any finance is arranged and provided by our authorised partners, not by Scottish Energy Efficiency. Government support may be available for eligible home-energy improvements — find out more at Home Energy Scotland ( homeenergyscotland.org / 0808 808 2282).
Reviewed by the Scottish Energy Efficiency technical team. Installation partner: MCS IAA10151 · TrustMark 3559930 · Gas Safe 559575
Last updated: August 2026
Sources: Home Energy Scotland, Ofgem SEG, MCS, PVGIS (European Commission)