Solar panel cleaning guides
Straight answers from a qualified electrical contractor working on Highveld rooftops every week — what soiling actually costs, how often panels need cleaning in Gauteng, and how to contract the work properly on a commercial site.
5 min read
How often should you clean solar panels in Gauteng?
How often solar panels need cleaning in Pretoria, Johannesburg and the wider Highveld, why the dry season matters, and how to tell your panels are overdue.
Read guide5 min read
How much output do dirty solar panels really lose?
What soiling actually costs a South African solar system in kWh and rands, why a small amount of dirt causes an outsized loss, and how to measure it yourself.
Read guide6 min read
Commercial solar panel cleaning: a facility manager's checklist
What facility and body-corporate managers should specify when contracting solar panel cleaning: safety, scheduling, access, reporting and per-panel pricing.
Read guide6 min read
Professional vs DIY solar panel cleaning in Gauteng
Can you clean your own solar panels? What tap water, detergents and pressure washers actually do to panel glass, the warranty risk, and when DIY is the wrong call in Gauteng.
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