Solar Panels in the SA17 Postcode Area
The SA17 postcode area covers Kidwelly and surrounding areas in Carmarthenshire. A typical 4kWp solar panel system here generates around 3,496 kWh per year, saving an estimated £979/yr on electricity bills and covering roughly 92% of average household electricity usage.
Solar Performance in SA17
About Solar in SA17, Kidwelly
Homeowners in the SA17 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 874 kWh generated per kWp of installed capacity, the SA17 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 Carmarthenshire qualify for SEG payments from energy suppliers.
Carmarthenshire in Wales generates 870 kWh per kWp, about 5% below the UK average of 920 kWh/kWp. As the largest region in Wales, Carmarthenshire stretches from the Brecon Beacons to Carmarthen Bay, and its southern coastal strip enjoys notably better solar conditions than its upland interior.