Solar Panels in the LL14 Postcode Area
The LL14 postcode area covers Cefn Mawr and surrounding areas in Wrexham. A typical 4kWp solar panel system here generates around 3,460 kWh per year, saving an estimated £969/yr on electricity bills and covering roughly 91% of average household electricity usage.
Solar Performance in LL14
About Solar in LL14, Cefn Mawr
Homeowners in the LL14 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 865 kWh generated per kWp of installed capacity, the LL14 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 Wrexham qualify for SEG payments from energy suppliers.
Wrexham in Wales generates 870 kWh per kWp, about 5% below the UK average of 920 kWh/kWp. The largest town in North Wales, Wrexham sits close to the English border and benefits from the lower rainfall of the Dee Valley, with conditions more comparable to the northwest English Midlands than the Welsh uplands.