Scotland solar irradiance by city
Scotland receives 780–870 kWh/kWp/year depending on location (PVGIS, European Commission). A 4kW system in Edinburgh earns roughly £271/year in SEG export income at 12p/kWh. A free survey gives exact figures for your roof.
Central and southern Scotland is served by SP Energy Networks (SPEN); the Highlands, islands and north by Scottish and Southern Electricity Networks (SSEN). We handle all G98/G99 paperwork.
SEG income based on 4kW, 65% exported, 12p/kWh. Rates checked August 2026. Yield per MCS MIS 3002. A free survey gives exact figures.
| City | Postcode | kWh/kWp/yr | SEG @12p |
|---|---|---|---|
| Edinburgh | EH | 870 | £271/yr |
| Glasgow | G | 855 | £267/yr |
| Aberdeen | AB | 840 | £262/yr |
| Dundee | DD | 845 | £264/yr |
| Perth | PH1 | 835 | £261/yr |
| Inverness | IV1 | 820 | £256/yr |
| Stirling | FK7 | 848 | £265/yr |
| Kirkcaldy | KY1 | 852 | £266/yr |
| Ayr | KA7 | 845 | £264/yr |
| Fort William | PH33 | 810 | £253/yr |
| Stornoway | HS1 | 800 | £250/yr |
| Lerwick | ZE1 | 780 | £243/yr |
| Thurso | KW14 | 780 | £243/yr |
| Dumfries | DG1 | 835 | £261/yr |
| Galashiels | TD1 | 838 | £261/yr |
Sources: PVGIS (European Commission), MCS MIS 3002. Checked August 2026. Figures are illustrative — a free survey gives exact values for your home.
Reviewed by the Scottish Energy Efficiency technical team — MCS IAA10151 · RECC 00077024 · TrustMark 3559930
Last updated: August 2026
Sources: Home Energy Scotland, Ofgem SEG, MCS, PVGIS (European Commission)