Do Solar Panels Work in Lousy Weather, Solar Panel Performance

Do Solar Panels Work in Lousy Weather?

Solar panels have become a popular way of producing energy nowadays. If you have installed or plan to install a solar panel system, you might be curious whether it works in bad weather. It’s a valid concern since nobody wants to invest in something unreliable in times of need. Let’s delve deeper into this topic.

What Exactly Qualifies as Lousy Weather for Solar Panels?

Well, it depends on several factors. Here are some examples of how different weather conditions can impact solar panels:

  1. Cloud cover, smog, or smoke can obstruct the sun’s rays and decrease absorption.
  2. Solar panels may degrade faster in hot weather due to the heat.
  3. Wind can blow dirt and debris onto solar panels.
  4. Snow and ice can also lower solar panel efficiency by covering the panels.

Whether Solar Panels Work During Bad Weather Conditions?

It’s a common question, and the answer is that solar panels usually continue to function properly. However, there are a few specific conditions that can have a negative impact on their efficiency.

For example, smog, smoke, and cloud cover can significantly decrease the efficiency of solar panels. In fact, during the 2020 California wildfires, there was a 30% reduction in solar panel efficiency as measured by the US Energy Information Administration.

Interestingly, high temperatures can also have a negative effect on solar panels. Most solar panels have a temperature coefficient rating indicating their efficiency changes as temperatures rise. However, this is typically only a concern in areas with temperatures above 100 degrees Fahrenheit.

Solar Panel Performance in Bad Weather

According to an article from the Office of Energy Efficiency & Renewable Energy, light snowfall does not significantly affect the efficiency of solar panels. The researchers even noted that their solar panels continued generating power even with snow piling up outside.

Overall, a slight decrease in efficiency is not a major concern. In fact, despite the Desert Southwest region and Southern California often experiencing temperatures that are considered less than optimal for solar panel performance, they remain the top producers of solar energy. Experts even suggest that these states have the most ideal solar conditions. For instance, Utah boasts a solar capacity of 29%, while Massachusetts is only at 16.5%.

How to Ensure Solar Panel Performance in Lousy Weather?

Although you cannot control outdoor temperatures, there are some steps you can take to improve the efficiency of your solar panels:

  1. Regularly clean your solar panels to get rid of debris and dust, especially during windy or dusty seasons.
  2. After a heavy snowfall, make arrangements to clear off your solar panels.
  3. If you need to clean or clear your panels frequently, consider using accessible ground mounts rather than roof mounting.
  4. Installing more solar panels can improve UV absorption capacity even during non-optimal weather conditions.
  5. Consult experienced professionals to design and build a system compensating for lousy weather.

Say Goodbye to Doubts about Your Solar Panel’s Performance

Our team collaborates closely with clients to develop a reliable system they can depend on. With our extensive knowledge and experience, you can have peace of mind knowing that your solar panels will operate efficiently, no matter the weather conditions.


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