Solar Panels in the KW15 Postcode Area
The KW15 postcode area covers Kirkwall and surrounding areas in Orkney Islands. A typical 4kWp solar panel system here generates around 3,128 kWh per year, saving an estimated £876/yr on electricity bills and covering roughly 82% of average household electricity usage.
Solar Performance in KW15
About Solar in KW15, Kirkwall
Homeowners in the KW15 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 782 kWh generated per kWp of installed capacity, the KW15 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 Orkney Islands qualify for SEG payments from energy suppliers.
Orkney Islands in Scotland generates 780 kWh per kWp, about 15% below the UK average of 920 kWh/kWp. These islands north of mainland Scotland are better known for wind power, but the extremely long summer daylight hours, over 19 hours around midsummer, provide good seasonal solar generation, and Orkney is a pioneer in community renewable energy.