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A guide to bird proofing solar panels

Writer's picture: Charlie SmithCharlie Smith

Solar panels are an excellent investment when it comes to generating clean, renewable energy. However, one often overlooked issue is the potential damage caused by birds.


Birds can nest under solar panels, leading to a range of problems that can affect the efficiency and longevity of your solar system.


In this guide, we'll explore why bird proofing your solar panels is important and provide practical steps to protect your investment.


Why is bird proofing solar panels important?


Preventing nesting and roosting


Birds are attracted to the shelter provided by solar panels. The space between the panels and the roof creates a perfect nesting spot, protected from predators and the elements. 


Unfortunately, nesting materials can obstruct airflow, leading to overheating of the panels. Additionally, bird droppings can cover the panels, reducing their efficiency by blocking sunlight.


Avoiding damage to equipment


Bird nests and droppings can cause significant damage to solar panels and related equipment. Nesting materials can become a fire hazard, especially if they come into contact with electrical wiring.


Bird droppings are acidic and can corrode solar panels, mounting brackets, and wiring. Over time, this can lead to costly repairs or even the need to replace damaged components.


Maintaining cleanliness and efficiency


Bird droppings not only look unsightly but also reduce the efficiency of solar panels. A layer of droppings can significantly block sunlight, decreasing the energy output of the system.


Regular cleaning is necessary to maintain efficiency, but bird proofing can minimise the number of times you need to clean the panels.


Health and hygiene concerns


Bird droppings can pose health risks as they often contain harmful bacteria and fungi. The accumulation of droppings can attract other pests such as insects and rodents, creating further health and hygiene issues.


Bird proofing helps maintain a clean and safe environment around your solar panels.


Effective bird proofing methods


Mesh or netting


Installing mesh or netting around the edges of solar panels is one of the most effective ways to prevent birds from accessing the area underneath. The mesh should be durable, weather-resistant, and securely fastened to prevent birds from squeezing through or damaging it.


Solar panel skirts


Solar panel guards (also called solar panel skirts) are specifically designed to keep birds out from under the panels. These guards are typically made of heavy-duty plastic or metal and are installed around the perimeter of the panels. They provide a physical barrier that birds can’t get through, ensuring the area remains bird-free.

Bird spikes


Bird spikes can be installed on the edges of solar panels to deter birds from landing. These spikes are not harmful but create an uncomfortable landing surface, discouraging birds from perching or nesting. They are easy to install and can be an effective deterrent to keep larger birds away.


Reflective objects and decoys


Reflective objects and bird decoys can be used to scare birds away from your solar panels. Shiny, reflective tape or objects that move with the wind can create a visual deterrent. Decoys, such as fake owls or hawks, can also be effective in keeping birds at bay. However, birds may become accustomed to these over time, so it’s best to use them in combination with other methods.


Ultrasonic bird repellers


Ultrasonic bird repellers emit high-frequency sounds that are unpleasant for birds but inaudible to humans. These devices can be placed near solar panels to deter birds from the area. They are a humane and environmentally friendly option for bird proofing.


Regular maintenance and inspection


Even with bird proofing measures in place, regular maintenance and inspection are essential to ensure their effectiveness. Periodically check the integrity of mesh, netting, or guards and repair any damage promptly. Clean the panels as needed to remove any droppings and debris that may have accumulated.


How much does it cost to bird proof solar panels?


The cost of bird proofing your solar panels can vary depending on the size of your solar array, the type of bird proofing method used, and whether you hire a professional or do it yourself.


Note: Accessing and working on roofs can be dangerous, and often requires specialist equipment and knowledge. We would always suggest using an MCS-certified solar panel installer, like Solarsmith®, to assess, alter or maintain your solar installation.


It is best practice to bird proof your solar panels when they are installed. This protects your installation and prevents damage to the panels or disruption to wildlife. At Solarsmith®, we include bird proofing as standard on all our quotes.


The overall cost for bird proofing can vary depending on how many solar panels you have and which bird proofing method you choose. If damage has already occurred due to pigeons or other birds, you’ll need to get a quote for repairs as well as installing the bird proofing measures.


What should I do if birds have already nested under my solar panels?


If birds have already nested under your solar panels, it's important to address the issue quickly in order to minimise damage. Here are the steps you should take:


  1. Assess the situation


Carefully inspect the area to determine the extent of the infestation and the type of birds that have nested. Some bird species are protected by law, and it may be illegal to remove their nests without proper permits.


  1. Contact a professional


If the infestation is severe or involves protected species, it's best to contact a professional pest control service that specialises in bird removal. They can safely and legally remove the nests and advise on the best bird proofing measures to prevent future nesting.


  1. Clean and disinfect


Once the birds and nests have been removed, thoroughly clean and disinfect the area. Remove any debris, droppings, and nesting materials. This step is crucial to prevent the spread of diseases and to prepare the area for bird proofing installation.


  1. Install bird proofing measures


After cleaning, install appropriate bird proofing measures such as mesh, spikes, or guards to prevent birds from returning. Ensure all gaps and potential entry points are securely sealed.


  1. Monitor regularly


After installing bird proofing measures, regularly monitor the area to ensure that birds have not returned and that the installed measures remain intact and effective.

Get your free solar panel installation quote today with Solarsmith®


Keen to find out more? We’d love to help. Simply get in touch to arrange your free solar quote today with Solarsmith®, the MCS-registered solar panel installation experts operating in South London and Surrey.


At Solarsmith®, we offer a full solar panel installation service, from design and supply through to install and aftercare. Our highly trained team will talk you through every step of the process, answer any questions you have, and ensure your installation is carried out to the highest standards.


Let us help you save money, reduce your carbon footprint and gain energy independence today.

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Solarsmith® is a trading name of Electrosmith Ltd (Established 2015)

Company Registration Number: 09389783

Registered Business Address: 1 Marlowe Square, Mitcham, CR4 1DT, ENGLAND

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