60-cell and 72-cell panels can be used in rooftop installations, ground mounts, carports, and more. That being said, 60-cell solar panels are much more common for residential solar installations, while 72-cell solar panels are more commonly used for commercial or other large-scale projects. There are a few key differences between the two that will impact which option you choose, regardless of whether you're installing for your home or business.
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72-cell solar panels have more photovoltaic cells, therefore, they are larger than 60-cell panels. When it comes to dimensions, 60-cell panels are usually built six cells wide and ten cells tall. 72-cell panels are also six cells wide but have an additional two rows of cells that make them a bit taller. What does this translate to in feet and inches? 60-cell solar panels have an average dimension of roughly 5.4 ft by 3.25 ft. 72-cell panels will roughly be the same width and average around 6.5 ft in height.
This extra space can make a big difference when it comes to your solar system design. If you have plenty of uninterrupted roof space or a lot of land for a ground-mounted installation, you can likely go with 60 or 70-cell panels. But, if you're going to have limited space for installation or a more complicated layout (such as a lone panel on a dormer or a small garage to fit a few panels), most installers are going to recommend 60-cell panels. Because they're smaller, they'll be able to fit in more tight spaces that may not work for a 72-cell panel. The same is true for roofs that are narrow - if your local jurisdiction or fire department has strict setback codes for solar arrays, 60-cell panels may also be the better option because they are shorter. A lot will depend on the specifics of your roof and your preferences for the layout of your array, so it's a good idea to talk to an installer about your options.
The cost of installing 60-cell vs. 72-cell panels may also vary a bit for your installation. 72-cell solar panels tend to be cheaper to install on a large scale, which is why they're more common for commercial applications. Because each panel has more solar cells, you can typically install fewer panels to generate the same amount of electricity. Fewer panels mean less racking is necessary, which helps cut down on overall equipment and installation costs.
On the other hand, 60-cell panels are lighter and easier to install, which is why they're more common for residential rooftop installations. This can mean lower labor costs for the installation. For large commercial installations, the extra size and weight of a 72-cell panel aren't as much of an obstacle because cranes are often used to lift the equipment to the rooftop.
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72-cell panels can have higher wattages and power output than 60-cell panels because of the additional photovoltaic cells, but that's not always the case. In fact, the number of cells in a panel doesn't have a direct correlation to its power output. The power output of a panel is more dependent on the quality and durability of the solar cells themselves.
Let's look at Axitec's AC-310P/156-72S as an example. This is a 310-watt (W) solar panel that has 72 cells. Despite having more photovoltaic cells, the panel has a lower power output than LG's LG325N1C-A5, which is a 60-cell 325W panel.
That being said, if you're looking for the highest wattage panels possible, you do often have to look towards panels with highly efficient solar cells and higher cell counts. Examples of this include LG's LG405N2W-A5, which is a 405W panel with 72 photovoltaic cells. 60-cell panels will rarely get up to 400W (though some can get up to 350W or more)
The summary: 72-cell is about a foot taller, and they cost a bit less to mount in large-scale applications. However, both 60-cell and 72-cell solar modules use the same cell technology, and they work out to the same price from a cost-per-watt perspective. Either option can be used in residential or commercial installs &#; the ideal choice depends on your array layout and space constraints where you will mount your system.
But when it comes down to choosing your solar modules, the number of cells included in the panel isn&#;t the most important factor. Cost, aesthetics, warranty, efficiency, and durability should all be taken into account when selecting the right PV panels. In this article, we&#;ll discuss some differences between 60-cell solar panels and 72-cell solar panels as well as their pros and cons.
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