Solar panels offer a ready-made shelter for nesting under combined with a high vantage point from which to survey the surroundings.
If there’s such a thing as estate agency in bird world, and in particular pigeon world, it’s easy to envisage the blurb on the sale particulars for a nest under a well-located 4kW array.
Of course the pigeon’s gain is the system owner’s loss. Nesting birds cause problems for solar panels and increase the need for general building maintenance.
Luckily the industry has now developed well-proven solutions for solar panel bird-proofing: solar mesh and solar bird spikes.
Birds nesting under or around the panels may
From this it is clear that the maintenance cost of the system and the roof will be increased if birds start nesting under the panels.
If birds are an issue (or likely to be an issue in the case of new solar installations), solar panel bird-proofing should be installed in the form of mesh or spikes, on all sides of the array. Note that solar panel protection is harmless - it simply encourages the birds to hang out somewhere else.
Products should be installed that are specifically designed for solar panels, firstly to ensure they are effective and secondly to ensure that the panel warranty isn’t voided.
Our pigeon protection recommendations are as follows:
The mesh is installed around the panels, preventing access beneath the panels, thus protecting the roof, wiring and equipment from damage. The non-penetrating system uses special clips to fix the mesh to the panels without the need for drilling or gluing.
The system is easily removed if necessary for maintenance.
The system is also very hard to see, even from close up.
There are many bird spikes on the market, but they tend to be designed with general deterrence in mind, rather than solar panel deterrence.
The most suitable spikes we have found are the Defender® Solar Panel Bird Spikes. These are high quality stainless steel UV stabilised spikes, cleverly designed to mount without touching the panels (thereby eliminating any possible warranty issues), whilst still preventing birds from getting under the panels.
The system combines 33.3cm spike strips with anti-topple stabilisers which are positioned under the solar panels. There is a choice of spike/post heights: 75mm, 100mm, 125mm and 150mm.
For a standard domestic system (3 to 4kW), the cost of bird-proofing for solar panels is typically in the region of £400-£450 plus VAT when installed with a new solar PV system.
Spirit Energy currently only installs bird protection for new PV systems (you'll see it as an optional extra in your quote).
For local solar PV owners looking to add bird protection to an existing system, we recommend Pestox.
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