Solar Panels in the HS3 Postcode Area
The HS3 postcode area covers Tarbert and surrounding areas in Na h-Eileanan Siar. A typical 4kWp solar panel system here generates around 2,992 kWh per year, saving an estimated £838/yr on electricity bills and covering roughly 79% of average household electricity usage.
Solar Performance in HS3
About Solar in HS3, Tarbert
Homeowners in the HS3 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 748 kWh generated per kWp of installed capacity, the HS3 area benefits from reasonable solar irradiance for the UK.
Through the Smart Export Guarantee (SEG), you can also earn money by exporting surplus electricity back to the grid. Most MCS-certified installations in Na h-Eileanan Siar qualify for SEG payments from energy suppliers.
Na h-Eileanan Siar (Western Isles) in Scotland generates 750 kWh per kWp, about 18% below the UK average of 920 kWh/kWp. These remote Outer Hebrides islands experience high winds and cloud cover, but the extremely long summer daylight hours at this far-northern latitude provide a surprising boost to peak season generation.