Solar Panels in the SA12 Postcode Area
The SA12 postcode area covers Baglan and surrounding areas in Neath Port Talbot. A typical 4kWp solar panel system here generates around 3,448 kWh per year, saving an estimated £965/yr on electricity bills and covering roughly 91% of average household electricity usage.
Solar Performance in SA12
About Solar in SA12, Baglan
Homeowners in the SA12 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 862 kWh generated per kWp of installed capacity, the SA12 area benefits from near-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 Neath Port Talbot qualify for SEG payments from energy suppliers.
Neath Port Talbot in Wales generates 870 kWh per kWp, about 5% below the UK average of 920 kWh/kWp. Home to the Tata Steel works at Port Talbot, this South Wales region stretches from the coast into the upper valleys, and the coastal strip around Swansea Bay enjoys notably better sunshine than the valley heads.