Solar Panels in the BN11 Postcode Area
The BN11 postcode area covers Worthing and surrounding areas in West Sussex. A typical 4kWp solar panel system here generates around 4,112 kWh per year, saving an estimated £1,151/yr on electricity bills and covering roughly 108% of average household electricity usage.
Solar Performance in BN11
About Solar in BN11, Worthing
Homeowners in the BN11 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 1,028 kWh generated per kWp of installed capacity, the BN11 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 West Sussex qualify for SEG payments from energy suppliers.
West Sussex in the South East generates 1,020 kWh per kWp, about 11% above the UK average of 920 kWh/kWp. The Chichester and Bognor Regis coastline is among the sunniest in the UK, sheltered by the South Downs, and the region combines excellent solar conditions with high home ownership driving strong adoption rates.