top of page
Solar Energy

Birds Dropping on Solar

Birds dropping on Solar

Bird droppings are one of the most common and damaging forms of solar panel contamination. Even small amounts can significantly reduce energy output, create hot spots, and lead to long-term damage if not addressed quickly.

How Bird Droppings Affect Solar Panels

Reduced energy generation

Many people believe rain naturally cleans solar panels. In reality, rain often:

  • Spreads dirt across the panel surface

  • Leaves residue and water marks

  • Cannot remove lichen or bird droppings

Professional cleaning is the only reliable way to fully restore panel efficiency.

Commercial & Residential Impact

Bird droppings affect:

  • Solar farms

  • Commercial rooftops

  • Agricultural buildings

  • Residential solar systems

Regular cleaning and bird proofing ensure consistent energy output across all system types.

Droppings Are a Serious Risk

Unlike dust or light dirt, bird droppings:

  • Are acidic and corrosive

  • Harden quickly in sunlight

  • Do not wash away with rain

  • Can permanently stain panel glass

If left untreated, this can result in irreversible panel damage and costly replacements.

Birds Nest Under Solar Panels

Solar panels provide birds with:

  • Shelter from weather

  • Warmth from the panel surface

  • Safe nesting locations

Nesting can lead to:

  • Cable damage

  • Blocked airflow

  • Increased fire hazards

  • Ongoing contamination from droppings

Hot Spots & Fire Risk

When bird droppings cover part of a panel, shaded cells can overheat, creating hot spots. Over time, this may cause:

  • Cell degradation

  • Cracked glass

  • Damage to internal components

  • Increased fire risk

Regular inspection and cleaning reduce these risks significantly.

Bird Proofing & Deterrent Solutions

To prevent ongoing issues, we offer professional bird proofing systems, including:

  • Solar panel bird mesh

  • Physical deterrents

  • Long-term prevention solutions

These measures help stop nesting while protecting panel performance.

Flock of Birds
Solar Panel Array

Get a free quote

If bird droppings are affecting your solar system, early action can prevent long-term damage and loss of performance.

Contact Clean Solar Solutions Ireland today for a free, no-obligation quote.

bottom of page