Solar Panels in the NP16 Postcode Area
The NP16 postcode area covers Chepstow and surrounding areas in Monmouthshire. A typical 4kWp solar panel system here generates around 3,568 kWh per year, saving an estimated £999/yr on electricity bills and covering roughly 94% of average household electricity usage.
Solar Performance in NP16
About Solar in NP16, Chepstow
Homeowners in the NP16 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 892 kWh generated per kWp of installed capacity, the NP16 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 Monmouthshire qualify for SEG payments from energy suppliers.
Monmouthshire in Wales generates 885 kWh per kWp, about 4% below the UK average of 920 kWh/kWp. Bordering England on the Welsh side of the Wye Valley, Monmouthshire is one of the sunniest parts of Wales, and its mix of market towns and rural properties provides excellent opportunities for solar installations.