Temperature is often the unsung factor that significantly influences the efficiency of photovoltaic (PV) modules. While solar panels are built to capture sunlight, there’s a catch—elevated temperatures can actually decrease their performance. But do you know the optimal operating temperature for PV modules?
The ideal temperature for most PV modules is around 25°C (77°F), which serves as the standard testing condition. However, in real-world scenarios, particularly in hotter climates, temperatures frequently surpass this, causing a decline in power output. The extent of this drop depends on the module’s temperature coefficient.
Take, for example, the Huasun Heterojunction (HJT) module. With a temperature coefficient of just -0.24%/°C, it loses only 0.24% of its efficiency for each degree above the optimal 25°C. This means Huasun HJT modules maintain higher efficiency compared to traditional PERC and TOPCon modules, especially in warmer conditions.
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Curious about what exactly the “temperature coefficient” means for your solar investment? Stay tuned as we delve into this crucial factor next!
