Australia · Victoria (VIC)
How dirt and soiling reduce your solar output in Victoria
Panel soiling — the accumulation of dust, pollen, bird droppings, and other debris — is one of the most common and fixable causes of solar energy loss. In arid regions, soiling alone can reduce output by 5–15%. Here's what you should know.
Victoria has a temperate climate with 4.5 peak sun hours per day.
Related issues
Panel soiling
commonDust, pollen, bird droppings, or debris accumulation reducing light absorption. More severe in arid or agricultural areas.
Typical loss: 2–15%
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Check my systemBased on conservative solar performance modelling and published degradation data
NRELIEA-PVPSSunSpecPVsyst+ published research
Updated April 2026 · Structured performance modelling
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