If your business owns a solar array, there are three documents that assume you are maintaining it: the standard your system was installed under, your
Dirty solar panels lose between 5 and 40% of their output. That range is wide because soiling is wildly site dependent, and the honest answer
Most commercial solar systems in New Zealand should be cleaned every 6 to 12 months. Where your site lands in that range depends on four
Solar panel maintenance in NZ means one inspection and clean a year under AS/NZS 5033. What the 7-point check covers, the signs your system needs attention, and what it costs.
If your solar output is down year on year, soiling is the most likely cause and the cheapest to rule out. How to diagnose it, in the order worth checking.
If you have solar on your roof in New Zealand, you have probably wondered whether the panels actually need cleaning, how often, and whether it
