Solar Panels in the SY23 Postcode Area
The SY23 postcode area covers Aberystwyth and surrounding areas in Ceredigion. A typical 4kWp solar panel system here generates around 3,472 kWh per year, saving an estimated £972/yr on electricity bills and covering roughly 91% of average household electricity usage.
Solar Performance in SY23
About Solar in SY23, Aberystwyth
Homeowners in the SY23 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 868 kWh generated per kWp of installed capacity, the SY23 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 Ceredigion qualify for SEG payments from energy suppliers.
Ceredigion in Wales generates 865 kWh per kWp, about 6% below the UK average of 920 kWh/kWp. Stretching along the Cardigan Bay coast in mid-Wales, Ceredigion is home to the university town of Aberystwyth and benefits from its westerly maritime position which brings mild temperatures that help solar panel efficiency.