Solar Panels in the EH21 Postcode Area
The EH21 postcode area covers Wallyford and surrounding areas in East Lothian. A typical 4kWp solar panel system here generates around 3,360 kWh per year, saving an estimated £941/yr on electricity bills and covering roughly 88% of average household electricity usage.
Solar Performance in EH21
About Solar in EH21, Wallyford
Homeowners in the EH21 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 840 kWh generated per kWp of installed capacity, the EH21 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 East Lothian qualify for SEG payments from energy suppliers.
East Lothian in Scotland generates 840 kWh per kWp, about 9% below the UK average of 920 kWh/kWp. Known as the 'Garden of Scotland' for its fertile farmland, East Lothian's dry east coast position gives it some of the best solar conditions in Scotland, with rainfall well below the national Scottish average.