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What's The Best Orientation And Tile Angle For Solar Panels Mounted In UK?

Nov 17, 2023

Solar energy potential continues to grow in the UK. Do you know the ideal positioning of solar panels to enhance their performance?

Solar Radiation

Generally, solar panels should be primarily oriented towards the south to achieve optimum solar energy production due to the direct solar radiation from sun to earth. The south-facing orientation enables panels to capture the maximum sunlight throughout the day. 


Solar Radiation

By facing south, solar panels can capture sunlight effectively, especially during the peak hours of solar irradiance. This orientation ensures that panels receive sunlight for longer periods, increasing overall energy output. While, determining the optimal tilt angle is equally important for maximizing solar panel efficiency. In the UK, the recommended tilt angle for solar panel installations typically ranges between 30 to 40 degrees.




The tilt angle is critical because it helps panels capture sunlight more efficiently by reducing the loss of incident solar radiation. The recommended range accounts for the UK's latitude and ensures an adequate balance between capturing sunlight during the cloudy seasons and minimizing losses during the summer months.


However, the precise angle may vary depending on location and specific project requirements. Let's see several other factors that can influence solar panel performance:

a. Roof Obstructions: Take into account any nearby objects like trees, buildings, or chimneys that might cast shadows on the solar panels. Shading can impact panel output significantly, so it's crucial to choose a location with minimal obstructions.


b. Roof Pitch: The angle of your roof can affect the tilt angle of the solar panels. In certain cases, adjusting the tilt angle to match the roof pitch can simplify the installation process while maintaining a reasonable energy yield.


c. Roof Stability: Ensure that your roof and its structural integrity can support the added weight of solar panels in both normal and extreme weather conditions. Consulting with a structural engineer or an experienced solar installer can help evaluate this aspect.


You're welcome to contact us for more detailed information and professional advice.


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