Home Improvement

Series Vs. Parallel Solar Panels: What Are The Differences?

As of 2021, the US uses enough solar energy to offset over 130 million metric tons of carbon dioxide emissions.

US homes are making the switch to solar because it offsets much of our carbon emissions. What you may not know is the output of solar energy depends on how you wire the solar panels.

Series vs parallel solar panels are the two primary ways you can wire your solar panels. Choosing the correct one for your home will help your panels be as efficient as they can be.

Continue reading to decide which solar panels are best for you.

What Are Series Solar Panels?

Wiring series solar panels mean the voltage output is the total output from all the panels in the series. That means each panel works together to generate a total voltage.

That means if shade covers one of your solar panels, your total output will decrease. Series solar panels are best for unshaded conditions.

If you see solar panels in an open field or an uncovered roof, they are likely series solar panels.

One consideration is whether you have a low-amperage system or not. Series solar panel wiring increases voltage and lowers amperage in the circuit. Smaller wires need lower amperage in order to stay safe.

If you plan on installing your solar panels yourself, you will want to make sure your circuit design is safe. Unless you are an electrician, hiring a technician to install your solar panels will ensure a safe installation.

What Are Parallel Solar Panels?

Parallel circuits connect each positive terminal on the solar panels together. The opposite of series circuits is true. Voltage is constant while each panel’s amperage increases.

Parallel solar panels are best for unshaded or mixed-light conditions. Parallel solar panels are good if you know trees or certain solar panels are shaded at different times of the day.

Solar panels next to trees or other objects that will cover your panels are best wired as a parallel circuit.

Parallel circuits also keep your voltage low. This is better for certain systems that need consistent voltage but can handle a higher amperage.

Choosing Series Vs Parallel Solar Panels

Whether you should go with series vs. parallel solar panels depends on where you want to place your solar panels.

Series solar panels are best for unshaded areas, while parallel solar panels are best for shaded or mixed-light conditions.

There are other things you also want to consider when making the switch to solar. Doing your own research to discover more on solar panels will help you make the best decision possible.

Make the Switch to Solar

Choosing how to wire your solar panels is half the battle. The good news is that series vs parallel solar panels are both optimal. Which is better for you will depend on where you are placing your solar panels.

Hiring an installation expert will ensure your circuit is safe, so you can place your solar panels where you want.

Now that you know the difference, you can confidently make the switch to solar energy.

About author


Hi, this is Hugh Hook. I’m here to share my insights on a wide variety of home improvement topics. I hope that my site becomes a platform for your inspiration on green living and DIY projects.
Hugh Hook
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