Solar Panels in the EX31 Postcode Area
The EX31 postcode area covers Barnstaple and surrounding areas in Devon. A typical 4kWp solar panel system here generates around 4,208 kWh per year, saving an estimated £1,178/yr on electricity bills and covering roughly 111% of average household electricity usage.
Solar Performance in EX31
About Solar in EX31, Barnstaple
Homeowners in the EX31 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 1,052 kWh generated per kWp of installed capacity, the EX31 area benefits from above-average 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 Devon qualify for SEG payments from energy suppliers.
Devon in the South West generates 1,060 kWh per kWp, an impressive 15% above the UK average of 920 kWh/kWp. With both a south and north coast, Devon's English Riviera around Torbay is one of the UK's sunniest spots, and the region has the second highest number of solar installations in the country.