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Should you wash your solar panels?
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Overview
Cleaning solar panels can result in a 2%-5% increase in power output. Dust accumulation over time can significantly impact the efficiency of solar energy generation.
Summary from incoherency.co.uk.
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incoherency.co.uk
Should you wash your solar panels?
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Hacker News · incoherency.co.uk
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Based on 5 sampled comments from this thread. Analyzed 2026-07-27.
- Praise: Impressive longevity of a 19-year-old solar system shows how durable quality panels can be — a testament to the technology's reliability.
- Praise: Simple maintenance, like a quick monthly clean, can significantly boost output, proving that a little attention goes a long way in solar efficiency.
- Concern: Concerns about the author's reliance on AI for basic solar panel safety checks raise alarms about the adequacy of their setup.
- Concern: Cleaning solar panels regularly can be a hassle, especially for those with installations on tall roofs — it might deter potential buyers from choosing solar.