The Ultimate Guide to Solar Panel for a Home in the UK
What’s the Best Solar Panel for My Home in the UK?
Choosing the best solar panel for your home in the UK depends on your household’s energy needs, roof space and budget. Most UK homes benefit from efficient solar panels rated between 350W and 450W. For a 2-3 bedroom house, a 4-5kW solar panel system (10-13 panels at 400W or 8-10 panels at 450W) is recommended, enough to make a big dent in your electricity bills. South facing roofs are most efficient but panels can still work on east or west facing roofs. Always go for panels with a good warranty and proven performance in UK conditions.
How Do Solar Panels Work and What Are the Benefits?
Solar panels work by converting the sun’s energy into electricity using photovoltaic (PV) cells. These cells generate DC electricity which is then converted into AC electricity by an inverter, so you can use it in your home appliances. Any excess electricity generated – known as excess solar energy – can be exported back to the grid or stored in a solar battery for later use.
Reduce high energy bills by generating your own clean energy.
Sell electricity back to your supplier via the Smart Export Guarantee (SEG) and earn money from excess electricity.
Lower your carbon footprint and support renewable energy targets.
Increase energy independence and resilience against rising electricity prices.
Potentially increase your property’s value with modern renewable technologies.
How Many Solar Panels Do I Need for My Home?
Number of solar panels needed depends on your annual energy consumption, panel efficiency and roof size. For example:
1-2 bedroom home: 5-8 panels (2-3kW system)
2-3 bedroom home: 10-13 panels (4-5kW system)
4-5 bedroom home: 13-16 panels (6kW system)
A south facing, unshaded spot is ideal for maximum energy generated. If your roof is flat or north facing, efficiency will be lower but modern panel systems can still save you a lot.
What’s the Installation Process for Solar Panels?
Installing solar panels involves:
Site assessment to determine the best location for maximum sunlight.* Planning and if needed, obtaining planning permission (rarely required unless in a conservation area or for listed buildings).
Installing scaffolding for safe access.
Mounting the panels and connecting them to an inverter and your home’s consumer unit.
Testing the system and handing over documentation.
Most solar installations take between one day and one week depending on the system size and complexity. Maintenance is minimal-just keep panels clean and free from debris for optimal efficiency.
What Happens to Excess Solar Energy?
Excess energy generated by your solar PV system can be handled in several ways:
Export to the grid: Through the Smart Export Guarantee, you can sell surplus electricity to your supplier, reducing your bills further.
Battery storage: Store excess energy in a solar battery for use during cloudy days or at night, increasing your energy independence.
Feed-in tariff: While closed to new applicants, some homes still benefit from the older feed-in tariff or export tariff schemes.
Can I Use Solar Panels with Other Renewable Technologies?
Yes. Solar panels can be combined with other renewable technologies such as heat pumps and battery storage to create a more comprehensive renewable energy system. This maximises your use of clean energy and can further reduce your reliance on the grid.
What Should I Consider Before Installing Solar Panels?
Roof suitability: South facing roofs are best but panels can be installed on flat roofs or other orientations with the right design.
Shading: Avoid shaded areas for maximum efficiency.
Planning permission: Usually not needed unless you live in a conservation area or have a listed property.
System size and cost: Choose a system that matches your energy needs and budget. A 4kW system for a medium sized home typically costs £5,000-£6,000 and pays for itself in about 5 years through savings.
Supplier: Use reputable, vetted installers for quality and peace of mind.
How Much Can I Save with Solar Panels?
Savings depend on your system size, energy usage and amount of sunlight your panels receive. For a 2-3 bedroom home, annual savings can be up to £730, total savings over 25 years £14,000. By generating more energy and selling excess back to the grid you can offset most of your initial investment.
Are Solar Panels Worth It in the UK?
Yes they are. Solar panels are a good investment for most UK homes. They reduce your bills, provide clean energy and the chance to sell energy back to the grid. With quick delivery and easy installation now is the perfect time to get solar and take control of your energy.
Get your solar kits and efficient solar panels at CRG Direct today
