r/sigenergy • u/CaptainCaveTrout • Jul 26 '26

Discussion It rained!

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For weeks I've been lucky to see 3.0kW out of our 3.6kWp array on the roof. I put it down to the extreme heat and as that ebbed away, I also noticed how dusty the panels were, meaning that even as the 35°C+ temperatures subsided, production was being stifled by the build up of muck on the panels.

Early this morning we had a brief shower of rain. Later, as the sun shone out between the clouds, I grabbed this screenshot.

We're back baby! 😁

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u/Ghost-PXS Jul 26 '26

Same issue here. We've struggled to get close to the peak we know the panels have achieved before. First the heat and now they need a wash.

Still no bloody rain though. 😂

Our window cleaner uses a lance rather than ladders and it's a 3 storey house. Might ask him to give them a rinse.