Sports Lighting: How to Reduce Spill Light

When it comes to lighting sports fields, there is an emphasis on providing enough light for players and spectators to see clearly. However, having too much light can be a problem. Excess light, known as spill light, can cause glare, light pollution, and energy waste. Fortunately, there are ways to reduce spill light in sports lighting projects.

What is Spill Light?

Spill light is the amount of light that escapes the intended area of illumination. There are several causes of spill light, such as improper shielding, inadequate fixture spacing, and improper aiming. All of these factors can lead to excess light that goes beyond the boundaries of the sports field.

Why Reduce Spill Light?

Having too much light can have several negative effects. For one, it can cause glare and discomfort for players and spectators. This can make it difficult to see the action on the field. Additionally, too much light can cause light pollution, which can disrupt the natural environment. Finally, light waste can lead to energy inefficiency, which can be costly in the long run.

Especially, now, in many countries, spill light control has been written into the lighting standard, which means, no good spill light control, no chance to get sports lighting projects at all.

How to Reduce Spill Light

Fortunately, there are several ways to reduce spill light in sports lighting projects. We AIKO lighting are experienced in sports lighting, and know well how to reduce the spill light.

Here are some tips to keep in mind:

  1. Use Proper Shielding

The first step in reducing spill light is to use proper shielding. This can include shields or baffles on the light fixtures. The shields should be designed in such a way that the light is directed towards the playing area and not beyond it. Check AIKO lighting’s shield.

  1. Utilize the Right Fixture Spacing

Another way to reduce spill light is to use the right fixture spacing. It’s important to make sure that the fixtures are not too close together. If the fixtures are too close, the light will overlap and create areas of excessive brightness. 

AIKO professional sports lighting design team will always give you the correct Dialux/ AGI lighting design for your projects.

  1. Aim the Fixtures Properly

It’s also important to make sure that the fixtures are aimed properly. This means that the light should be directed towards the playing area and not towards the sidelines or spectators. Additionally, the fixtures should be angled downwards to avoid light shining up into the sky.

According to our experience, before install the floodlight, you should read the lighting design carefully, and have a professional installation team to support you.

  1. Use LED lighting

Finally, LED lighting is a great way to reduce spill light. LED lights are much more efficient than traditional lighting, which means that less energy is wasted. Additionally, LED lights are highly directional, which means that the light is focused on the intended area and not wasted.


Spill light is a common problem in sports lighting projects. However, it can be avoided by using proper shielding, the right fixture spacing, proper aiming, and LED lighting. By following these tips, you can reduce spill light and create a better sports lighting experience for players and spectators alike.

Using the tips outlined above, you can reduce spill light and create a better sports lighting experience for players and spectators. Proper shielding, the right fixture spacing, proper aiming, and LED lighting can all help to reduce light waste and create a more enjoyable experience for everyone involved. By taking the time to consider these factors, you can ensure that your sports lighting project is as efficient and effective as possible.

For more information, please contact us.


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