Solar Panels in the DG1 Postcode Area
The DG1 postcode area covers Dumfries and surrounding areas in Dumfries and Galloway. A typical 4kWp solar panel system here generates around 3,368 kWh per year, saving an estimated £943/yr on electricity bills and covering roughly 89% of average household electricity usage.
Solar Performance in DG1
About Solar in DG1, Dumfries
Homeowners in the DG1 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 842 kWh generated per kWp of installed capacity, the DG1 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 Dumfries and Galloway qualify for SEG payments from energy suppliers.
Dumfries and Galloway in Scotland generates 840 kWh per kWp, about 9% below the UK average of 920 kWh/kWp. Scotland's most southerly region benefits from a milder climate and more sunshine than the Highlands, and the Solway coast in particular enjoys conditions comparable to parts of northern England.