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Solar Panels

Solar panels from Solar Biz™

What’s the difference between 60 and 72 cell Solar Modules?

72-cell solar panels (modules) are generally the same width as 60-cell solar panels allowing the same number of rails for racking, but they feature 2 extra rows of solar cells which add to the length of the module.

The extra two rows lower overall module production cost per watt, therefore 72-cell solar panels tend to cost less per watt and will reduce installation time by requiring fewer modules than 60-cell modules.

Solar modules are generally around ½ Volt per cell, so a 72-cell solar module will typically be 6 volts or so higher in voltage, and weigh 6 to 10 Lbs. more than a 60 cell module.

Both 60 and 72 cell modules are available with monocrystalline and polycrystalline technologies. Monocrystalline PV arrays are somewhat more desirable in cooler less sunny environments by those requiring as much power harvest possible given a limited area.

In hot sunny areas, (Arizona and New Mexico come to mind) mono modules suffer, because they’re black and extra heat causes less efficiency and output. Current polycrystalline technologies are also quite efficient, approaching efficiencies of monocrystalline, at a somewhat lower price per watt on average.

To make things easier

We have organized the solar electric panels that we offer into, by Manufacturer and also by 4 main types. Please click manufacturer buttons above or the Shop By Menu to the left to choose from our extensive, hand-picked selection of Solar Panels ranging in size from 225 watt to 380 watt output.

We also carry a great variety of small solar panels  ranging from 5 watt output to 195 watt. Solar Biz is here to help you! We offer a large variety of the world’s top manufacturers of solar panel mounting equipment.

The solar panel mounting and installation equipment is in its own category. Click on Solar panel Cabling and Grounding to see, learn about, and shop for equipment that is useful for every solar panel system installation. Please use our website as an up to date catalog and learning center!


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