Solar Panels in the CA1 Postcode Area
The CA1 postcode area covers Carlisle and surrounding areas in Cumbria. A typical 4kWp solar panel system here generates around 3,420 kWh per year, saving an estimated £958/yr on electricity bills and covering roughly 90% of average household electricity usage.
Solar Performance in CA1
About Solar in CA1, Carlisle
Homeowners in the CA1 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 855 kWh generated per kWp of installed capacity, the CA1 area benefits from near-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 Cumbria qualify for SEG payments from energy suppliers.
Cumbria in the North West generates 850 kWh per kWp, about 8% below the UK average of 920 kWh/kWp. Home to the Lake District, England's wettest region sees high rainfall in the mountains but the Eden Valley and Carlisle area in the east are considerably drier, offering better solar conditions.