Pigeons Under Solar Panels: Problems, Removal & Bird Proofing
Have pigeons started nesting underneath your solar panels? The sheltered gap between rooftop solar panels and the roof can provide an attractive nesting space for birds, leading to noise, droppings, debris and additional maintenance around the installation.
This guide explains what to do if pigeons are already under your solar panels, the potential problems to look for and how solar panel bird proofing can help prevent them returning.
Why Are Pigeons Nesting Under My Solar Panels?
Solar panels do not attract pigeons in themselves. The problem is the protected space that can be created underneath a roof-mounted solar array.
Panels are normally mounted above the roof covering, leaving a ventilation gap underneath. For pigeons, this can provide shelter from bad weather and some predators while offering a relatively undisturbed place to roost or nest.
Once birds establish themselves beneath an array, the problem can become persistent. This is why some homeowners choose to install suitable perimeter mesh around their panels.
Signs You May Have Pigeons Under Your Solar Panels
Regular Roof Noise
Scratching, cooing and movement on the roof, particularly early in the morning, can indicate birds are roosting or nesting beneath the array.
Bird Droppings
An increase in droppings on panels, roof tiles, gutters, patios or paths below the installation can be an obvious sign of regular bird activity.
Nesting Material
Twigs, feathers and other nesting material appearing around the edge of the panels or falling into gutters may indicate a nest underneath.
Birds Entering Below Panels
Repeatedly seeing pigeons disappear underneath the edge of the solar array is one of the clearest indications that the space is being used.
Blocked Gutters
Nesting debris and increased bird activity around the roof can contribute to material collecting in nearby gutters.
Heavy Panel Soiling
Regular bird activity can increase the amount of droppings on the panel surface, creating an additional cleaning requirement.
Can Pigeons Damage Solar Panels?
Pigeons underneath an array do not automatically mean that the solar panels themselves are damaged. However, a persistent nesting problem can create conditions that should not simply be ignored.
Birds can introduce nesting material, feathers and droppings around the installation. There may also be concern about exposed or accessible cabling and connectors beneath the panels.
Heavy bird fouling on the surface of panels may also obstruct sunlight reaching parts of the array until the panels are cleaned.
If your solar generation has fallen significantly, however, do not assume pigeons are necessarily responsible. Inverter faults, electrical issues, shading, weather and other factors can also affect output.
See our wider solar panel maintenance and ownership costs guide for other problems that can occur during the life of a system.
What Should I Do If Pigeons Are Under My Solar Panels?
Confirm Where the Birds Are Going
Observe the roof safely from ground level. Regular movement underneath the same part of the array can help establish whether birds are actually using the space beneath the panels.
Check Whether Nesting Is Taking Place
This matters because active wild-bird nests and their contents are legally protected. Work should not simply be carried out without considering whether an active nest is present.
Have the Installation Assessed
A competent contractor can assess access requirements, the panel layout, the extent of the bird problem and whether cleaning or other work is required.
Remove Debris Where Appropriate
Where lawful and appropriate, accumulated nesting material and contamination may need to be dealt with before exclusion measures are installed.
Fit Suitable Bird Protection
A properly installed perimeter barrier can prevent pigeons from simply returning underneath the array after the area has been cleared.
How Do You Stop Pigeons Getting Under Solar Panels?
One commonly used method is purpose-designed mesh fitted around the exposed perimeter of the solar array.
The aim is to close the accessible gap between the panels and roof while retaining the ventilation required by the solar installation.
Suitable systems can use clips that attach to the solar panel assembly without drilling through the panel frame. The exact solution depends on the array, mounting system and roof.
Before work begins, ask how the proposed protection will be attached and whether the method is compatible with the panel manufacturer's requirements and any relevant warranties.
How Much Does It Cost to Remove Pigeons From Solar Panels?
There isn't a single national price because two properties with the same number of panels can require very different amounts of work.
The final quotation can depend on:
- roof height and pitch;
- how easily the solar array can be accessed;
- the size and shape of the array;
- whether birds are already established;
- the amount of debris or fouling present;
- whether cleaning is required;
- the amount of perimeter mesh required; and
- whether scaffolding or specialist access equipment is needed.
For indicative UK pricing, see our solar panel pigeon proofing cost guide.
Will Cleaning the Panels Solve the Problem?
Cleaning can remove droppings and dirt from the panel surface, but it does not prevent pigeons from returning underneath the array.
Likewise, clearing old nesting material without dealing with access beneath the panels may result in the birds returning to the same sheltered location.
Where pigeons are repeatedly nesting beneath an array, the longer-term solution normally involves dealing with the existing problem appropriately and then preventing re-entry.
Should You Install Bird Proofing With New Solar Panels?
This is worth considering before the panels are installed.
Retrofitting protection later means safe access to the roof has to be arranged again. If scaffolding or specialist access is needed, that can significantly increase the overall cost.
If appropriate bird protection is installed at the same time as the solar array, suitable roof access may already be available.
When comparing solar quotations, ask whether bird protection is included, optional or considered unnecessary for your particular property.
This is one reason SolarCostsUK recommends comparing the complete installation rather than just the headline price of the panels. See our UK solar panel cost guide and cost methodology for the wider factors worth considering.
Can I Pigeon Proof Solar Panels Myself?
The physical materials used for some bird-proofing systems may appear straightforward. The much bigger issue is access.
Working on a roof carries serious risks, and a solar array also contains electrical equipment that should not be damaged or altered accidentally. Incorrectly fitted protection could potentially damage panel frames, cables, roof coverings or interfere with warranty requirements.
For most roof-mounted domestic systems, using a contractor familiar with solar arrays avoids turning a relatively straightforward bird problem into an expensive solar or roofing problem.
What If Bird Protection Was Already Fitted?
If pigeons are getting underneath panels that were supposedly bird-proofed during installation, inspect the situation from ground level rather than attempting to climb onto the roof.
There may be a gap in the protection, a section may have moved, or the original system may not fully enclose the accessible perimeter.
Check your original solar quotation, invoice and warranty paperwork to see exactly what bird protection was supplied and whether workmanship or product cover still applies.
If the system was recently installed, contacting the original installer is a sensible first step.
Don't Forget the Cost of Owning Solar
Pigeons are a good example of why the initial purchase price is not the only cost worth considering when buying solar.
Cleaning, bird protection, inverter replacement, repairs and future roof work can all contribute to the lifetime cost of a system.
Read our complete Solar Panel Maintenance Costs UK guide for the wider picture, or see Solar Panel Bird Proofing Costs UK if pigeons are the immediate problem.
Pigeons & Solar Panels FAQs
Why do pigeons go under solar panels?
The gap beneath roof-mounted panels can provide a sheltered area protected from weather and some predators, making certain installations attractive for roosting and nesting.
Can pigeons stop solar panels working?
Pigeons underneath panels do not normally cause an entire solar system to stop working simply by being present. However, nesting debris, fouling and possible interference around equipment can create maintenance concerns. A significant loss of generation should be properly investigated.
Can bird droppings reduce solar panel output?
Heavy or persistent fouling can block light from reaching parts of a panel. Whether this produces a noticeable reduction in overall generation depends on the extent and location of the soiling and the system design.
How do I stop pigeons nesting under my solar panels?
Suitable perimeter mesh is commonly used to prevent access beneath an array. Existing birds and active nests need to be dealt with appropriately before the perimeter is closed.
Can I remove a pigeon nest from underneath solar panels?
Wild birds and active nests are protected by law. Do not automatically remove a nest simply because it is beneath solar panels. The situation should be assessed and any work carried out lawfully.
How much does solar panel pigeon proofing cost?
Prices depend strongly on roof access, array size and whether birds are already established. See our UK solar panel bird proofing cost guide for current indicative pricing and cost factors.