Solar Panel Efficiency On Rainy Days

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Solar panel efficiency on rainy days. This is an important question to ask as these weather conditions can affect your pv module energy production and as a result dampen the return on investment for your solar panels. Some critics of solar power say that solar panels don t produce electricity on cloudy days. Your solar panels performance and efficiency matters. Solar panels have been consistently increasing in efficiency at about 5 annually since 2010.

Factors that affect solar panel efficiency. That s why you want to know if solar panels will work in adverse weather conditions such as cloudy days rainy days or snowy days. But depending on the cloud cover and the quality of the solar panels efficiency can drop to anywhere from 10 to 25 percent of the energy output seen on a sunny day. The highest efficiency solar panels on the market today can reach almost 23 percent efficiency.

On a rainy or cloudy day many of the appliances like fans or air conditioning may not be needed. For that same reason solar panels can still produce electricity on cloudy days. The average efficiency of solar panels falls between the 17 to 19 percent efficiency range. If you live in south carolina you already know that the palmetto state is a great place for solar power.

Solar panels can still can produce 10 25 of their typical output on a cloudy day. One minute the sun is shining the next there is a full on downpour. Anyone who has gotten sunburned on a cloudy day knows that solar radiation penetrates clouds.