Solar panels perform their best when they get direct sunlight throughout the day. Even partial shading can significantly reduce the amount of energy your panels make, so it’s important that you find ways to minimize the amount of shade on your panels. While some shading is unavoidable, there are several things that you can do to help minimize its impact and keep your solar power system running as efficiently as possible.
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Start with Careful Planning
The best way to reduce shading issues is to address them before your solar panels are even installed. A professional site assessment can draw attention to things like trees, neighboring buildings, utility poles, chimneys, and other things that can cast shadows on your panels. Solar panels often use drones and other specialized tools and software to analyze the movement of the sun over your property so they can find the best placement for your panels. This helps them get maximum sunlight during peak production hours with minimal shading throughout the day.
Keep Trees Properly Trimmed
Trees are a very common cause of solar panel shading. While you might enjoy a shady tree on your lawn while you’re outside, it can create a lot of problems for your solar panels’ efficiency. Regular tree trimming helps prevent branches from blocking sunlight. It’s also smart to consider the future growth of your trees when you’re designing your system. A tree that casts a little shade today can become a major problem several years down the road.
Use Microinverters or Power Optimizers
Even with careful planning and regular tree trimming, occasional shading is unavoidable. But modern solar equipment can make a big difference when shadows fall on your panels. Traditional string inverter systems have substantial efficiency losses when even one panel is shaded. But microinverters and power optimizers reduce this problem by allowing individual panels to operate independently from each other.
When one panel is shaded in a string inverter system, the efficiency of the entire string of panels drops. If you add power optimizers to each panel in your string, or if you use microinverters on each panel instead of a string inverter, you allow the individual panels to operate more independently. When one panel experiences shading, the rest of the array can continue producing power at a higher efficiency. This can greatly improve the performance of your system when partial shading occurs.
If you’d like to learn more about how the right equipment can minimize the impact of shading on your solar power system, contact a wholesale solar panel supplier.
