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Solar Panels

Solar panels are a popular way to generate renewable electricity at home. Solar photovoltaic (PV) panels use cells made from semiconductor materials to convert sunlight into electricity. Multiple panels can be connected together to form a solar PV system, with the electricity generated used to help power appliances and other electrical equipment in the home.

Solar power can reduce the amount of electricity you need to buy from the grid, which may help lower your energy bills. The amount you can save will depend on factors such as the size of the system, the amount of electricity generated, how much of that electricity you use at home and your electricity tariff.

Solar panels generate electricity without producing direct carbon emissions while operating and can continue producing electricity on cloudy days, although output will generally be higher during brighter conditions. Solar PV accounted for around 6.9% of UK electricity generation in 2025.

Households may also be able to receive payments for eligible electricity exported to the grid through the Smart Export Guarantee (SEG). The amount you receive will depend on the export tariff offered by your electricity supplier and how much electricity you export.

Solar panels generally require relatively little maintenance once installed. However, the system should be monitored to make sure it is operating correctly, and panels may occasionally require cleaning or maintenance depending on their location and condition.

Not every property will be equally suitable for solar panels. Factors such as the orientation and pitch of the roof, shading from nearby trees or buildings, available roof space and the condition of the existing roof can all affect the performance and installation of a solar PV system.

Solar panels on houses can often be installed under permitted development rights, although restrictions apply in some circumstances. Check whether planning permission or other consent is required before arranging an installation, particularly if you live in a listed building, conservation area or another protected location.

The cost of installing solar panels will depend on the size and specification of the system, the property, roof access and whether additional equipment such as battery storage is included. Rather than relying on a single average price, compare quotes based on the size of solar PV system suitable for your home.

When comparing solar panel installers, check what is included in each quote, such as the panels, inverter, scaffolding, electrical work and installation. You can also consider whether the installer holds relevant certification for the work and whether this is required for any export tariff or other scheme you intend to use.

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