A cracked solar panel can quickly turn a money-saving home upgrade into a stressful repair, especially when the damage looks severe, but the panel appears to still be producing power.
That was the situation facing one off-grid solar owner with six matching 590-watt panels, who took to Reddit's r/SolarDIY community to ask for help.
Here's what to know
The off-grid homeowner said the damaged Renogy panel was still "getting 400+ on a bright day" and brought the question to the forum: "Should I be worried?"
The replies went in completely different directions. One commenter urged immediate action, warning, "Send it back. If it doesn't allow moisture today, it will later and that is the danger of how it might kill your electronics when it does."
Another commenter took a much calmer view, writing, "Likely fine. Might last 30 more years." A third added, "It's difficult to predict what the effect is going to be. It could last for years without a problem or it could go next week… Personally, I'd call Renogy and try to get a replacement panel."
More background
Damage to the back of a solar panel can be more serious than a surface-level cosmetic flaw because the backsheet plays an important role in protecting internal components from moisture and electrical issues. Even when a panel continues producing electricity, hidden degradation can worsen over time.
That risk is especially important for off-grid users, who may rely on every panel in a relatively small system to keep batteries charged and essential equipment running. If one panel begins underperforming or fails sooner than expected, some of the savings that made the setup appealing in the first place can quickly disappear.
Yet because the solar panel system was not mounted on a roof, replacing it could be easier than in a more typical rooftop installation.
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