Solar Panels in the PA20 Postcode Area
The PA20 postcode area covers Rothesay and surrounding areas in Argyll and Bute. A typical 4kWp solar panel system here generates around 3,160 kWh per year, saving an estimated £885/yr on electricity bills and covering roughly 83% of average household electricity usage.
Solar Performance in PA20
About Solar in PA20, Rothesay
Homeowners in the PA20 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 790 kWh generated per kWp of installed capacity, the PA20 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 Argyll and Bute qualify for SEG payments from energy suppliers.
Argyll and Bute in Scotland generates 790 kWh per kWp, about 14% below the UK average of 920 kWh/kWp. This sprawling council area on Scotland's west coast includes the Mull of Kintyre and numerous islands, and while Atlantic rainfall is high, the long summer daylight hours compensate during peak generation months.