Solar Panels in the CA28 Postcode Area
The CA28 postcode area covers Whitehaven and surrounding areas in Cumbria. A typical 4kWp solar panel system here generates around 3,408 kWh per year, saving an estimated £954/yr on electricity bills and covering roughly 90% of average household electricity usage.
Solar Performance in CA28
About Solar in CA28, Whitehaven
Homeowners in the CA28 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 852 kWh generated per kWp of installed capacity, the CA28 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.