Solar Panels in the PO1 Postcode Area
The PO1 postcode area covers Portsmouth and surrounding areas in Hampshire. A typical 4kWp solar panel system here generates around 4,000 kWh per year, saving an estimated £1,120/yr on electricity bills and covering roughly 105% of average household electricity usage.
Solar Performance in PO1
About Solar in PO1, Portsmouth
Homeowners in the PO1 postcode area are eligible for 0% VAT on solar panel installations, making 2026 an excellent time to invest in solar energy. With 1,000 kWh generated per kWp of installed capacity, the PO1 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 Hampshire qualify for SEG payments from energy suppliers.
Hampshire in the South East generates 990 kWh per kWp, about 8% above the UK average of 920 kWh/kWp. From the South Downs to the Solent coast, Hampshire benefits from excellent sunshine and its sheltered position, making it one of England's best regions for solar with the historic city of Winchester at its heart.