Solar Panels in the NN12 Postcode Area
The NN12 postcode area covers Towcester and surrounding areas in Northamptonshire. A typical 4kWp solar panel system here generates around 3,720 kWh per year, saving an estimated £1,042/yr on electricity bills and covering roughly 98% of average household electricity usage.
Solar Performance in NN12
About Solar in NN12, Towcester
Homeowners in the NN12 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 930 kWh generated per kWp of installed capacity, the NN12 area benefits from above-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 Northamptonshire qualify for SEG payments from energy suppliers.
Northamptonshire in the East Midlands generates 925 kWh per kWp, just above the UK average of 920 kWh/kWp. Located in the heart of England with low rainfall and good sunshine, Northamptonshire has become a popular area for solar farms across its gentle rolling countryside of ironstone villages.