How can you prevent sparrows and nesting under your solar panels?

How can you prevent sparrows and nesting under your solar panels? - We Protect Solar

How to Prevent Sparrows Nesting Under Solar Panels: Effective Bird Protection for Sustainability and Safety

With the increased adoption of solar panels across the Netherlands, protecting these installations from sparrows has become crucial for both efficiency, longevity and environmental balance. Although sparrows seem like nice house guests, they are a nuisance, a fire hazard and a financial pitfall for solar panel owners. Implementing effective bird-proofing measures, which the BirdBlocker ®  is the epitome of, is a cost efficient way to prevent nesting issues and enhance solar panel performance. In this article, we’ll explore how to deter sparrows responsibly while supporting a more sustainable environment.

Why Sparrows Nest Under Solar Panels and the Risks Involved

Sparrows, including the house sparrow and tree sparrow, prefer nesting in narrow, sheltered spaces, which makes solar panels an attractive site. These panels offer warmth in spring and early summer, protection from elements as well as predators. Understandably this has a great appeal for Sparrow’s choosing their ideal spot for nesting. However, as temperatures under panels can exceed 70 degrees Celsius during the height of summer, this can pose fatal risks to sparrow eggs and chicks. Additionally, nesting under panels can compromise the efficiency of solar systems by obstructing ventilation and increasing heat, which in turn accelerates panel degradation. The icing on the cake is the flammability of nesting material in combination with their inevitable acidic soiling and damaging of cables and connectors - a combustible set of ingredients.

Key Reasons for Bird-Proofing Solar Panels

  1. Bird Welfare: Protecting sparrows’ natural nesting behaviors by discouraging their use of solar panels helps avoid potential harm from overheating and ensures they find safer habitats.
  2. Solar Efficiency: Nesting materials and bird droppings can hinder panel efficiency by blocking sunlight and ventilation, reducing energy output, and increasing maintenance costs due to debris buildup.
  3. Health and Safety: Bird droppings contain ammonia that can corrode cables and connectors, increasing fire risks due to dry nesting material near electrical components. Implementing high-quality bird protection mitigates these hazards and keeps solar installations safe.
  4. Sustainability Compliance: In line with amongst many others, the IEC, the British Standard as well as the NEN1010 guidelines, installing bird protection on solar panels is a recommended practice that aligns with sustainable energy goals and best practices for protecting biodiversity.
  5. Comfort of living: Imagine the rustling, squeaking and scratching on your roof; 24 hours a day, 7 days a week. The soilage on and under your panels, an unhygienic cesspool of stench, bacteria, funghi, pests and mites. A situation any home owner would clearly like to avoid for their own peace of mind.


How BirdBlocker ® Prevents Sparrows from Nesting Under Solar Panels

BirdBlocker ® provides a practical solution for bird-proofing solar panels. It has been developed by skilled solar professionals wanting a reliable, durable and efficient product for their own clients - and for lack of availability created it themselves.

 It uses robust HDPE strips with resilient needles that attach securely under the panels, forming an impenetrable barrier that prevents sparrows from accessing nesting sites. It warrants ventilation and is universally compatible on any type of roofing and all common solar panel frame constructions. The unique design includes connecting bridges between needles to prevent birds from bending or slipping through the material, offering a long-lasting and humane deterrent.


BirdBlocker® is UV-resistant and frost-resistant, ensuring durability under diverse weather conditions. With a ten-year material warranty, it provides the most effective and eco-friendly solar panel protection on the market. 


BirdBlocker is practice proven, longer than any other system, in more diverse circumstances - passing every challenge convincingly. Uniquely, BirdBlocker is trusted by professionals in sunny southern climates as much as in the arctic colds and snow offering worry-free protection for the better part of a decade.

The Environmental Benefits of BirdBlocker® for Sparrows and Solar Panels

Using BirdBlocker® not only protects your solar investment but also aligns with environmental sustainability. Preventing sparrows from nesting under panels encourages them to find more suitable, natural habitats, supporting their well-being and the stability of local ecosystems.

Installing BirdBlocker® ensures sparrows and other protected bird species remain safe and undisturbed, avoiding the need for harmful deterrents while keeping solar panels operating efficiently. This thoughtful approach helps foster coexistence with wildlife and supports the long-term goals of green energy.

By implementing BirdBlocker® bird protection on your solar panels, you invest in both renewable energy efficiency and responsible bird conservation. Protect your solar panels today and ensure they serve their purpose sustainably and safely.

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