Solar Panels in the RG9 Postcode Area
The RG9 postcode area covers Henley-on-Thames and surrounding areas in Oxfordshire. A typical 4kWp solar panel system here generates around 3,848 kWh per year, saving an estimated £1,077/yr on electricity bills and covering roughly 101% of average household electricity usage.
Solar Performance in RG9
About Solar in RG9, Henley-on-Thames
Homeowners in the RG9 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 962 kWh generated per kWp of installed capacity, the RG9 area benefits from above-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 Oxfordshire qualify for SEG payments from energy suppliers.
Oxfordshire in the South East generates 955 kWh per kWp, about 4% above the UK average of 920 kWh/kWp. The Thames Valley and Cotswold fringe enjoy good sunshine and low rainfall, and Oxford's world-renowned university has been at the forefront of solar technology research, helping drive adoption across the region.