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hot weather, bad for solar panels, is that right?

You would think that during the scorching summer, you would produce to most electricity out of your solar panels, but most likely you won’t. I will tell you how you can produce more electricity out of solar panels during the hottest days, but first we have to understand why solar panels do not perform well in hot weather.

Heat in the case of photovoltaic solar panels is a electrical resistance to the flow of electrons. During hot conditions, not only does a solar panel become less efficient but the voltage decreases thus meaning you will produce less kWh (kilowatt-hours) on days 75 degrees and above. You have to remember, the temperature on the roof is higher then inside your home. Airflow on all sides of solar panels is critical to the overall performance of your solar power system.

Some solar panels, such as the Sanyo Solar Panels are specifically designed to have a better temperature coefficient which perform better then standard solar panels in high heat conditions. So when comparing multiple solar panels you should always look into the temperature coefficient and make sure your panel will perform well when the weather gets hot.

Author: Deep Patel

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