Solar Panels in the SA42 Postcode Area
The SA42 postcode area covers Newport and surrounding areas in Pembrokeshire. A typical 4kWp solar panel system here generates around 3,264 kWh per year, saving an estimated £914/yr on electricity bills and covering roughly 86% of average household electricity usage.
Solar Performance in SA42
About Solar in SA42, Newport
Homeowners in the SA42 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 816 kWh generated per kWp of installed capacity, the SA42 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 Pembrokeshire qualify for SEG payments from energy suppliers.
Pembrokeshire in Wales generates 890 kWh per kWp, about 3% below the UK average of 920 kWh/kWp. The most southwesterly region in Wales, Pembrokeshire enjoys the best sunshine hours in the country thanks to its coastal position, and its dramatic coastline National Park attracts visitors to one of Wales's sunniest corners.