Solar Panels in the BT57 Postcode Area
The BT57 postcode area covers Bushmills and surrounding areas in Antrim. A typical 4kWp solar panel system here generates around 3,236 kWh per year, saving an estimated £906/yr on electricity bills and covering roughly 85% of average household electricity usage.
Solar Performance in BT57
About Solar in BT57, Bushmills
Homeowners in the BT57 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 809 kWh generated per kWp of installed capacity, the BT57 area benefits from reasonable 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 Antrim qualify for SEG payments from energy suppliers.
Antrim in Northern Ireland generates 810 kWh per kWp, about 12% below the UK average of 920 kWh/kWp. Stretching from the shores of Lough Neagh to the famous Antrim Coast Road, the county benefits from mild maritime conditions and has seen growing solar adoption driven by strong government incentive schemes.