- By: Sergey Fedorov
- Solar PV panels
- Updated: Dec 16, 2025
455 watt solar panels
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455 W solar panels

Large-scale commercial and industrial projects can benefit the most from 455 watt solar panels. However, these powerful modules will also appeal to residential customers who wish to minimize the number of panels in order to reduce costs. One need not be a solar panel expert to appreciate their appeal: they produce nearly twice as much power as standard panels without being unreasonably cumbersome to install or maintain.
Specifications of 455 watt solar panels
Typical dimensions for a 455 W solar panel are 82 inches in length and 42 inches in width, and they weigh around 52 pounds. Such modules are typically 72 cells or more and are monocrystalline. A 455 W solar panel's efficiency can be anywhere from 15% to 22%, depending on the manufacturer. The aesthetics of the modules can also differ in a number of ways, including the color of the backsheet and the frame.
Some characteristics may seem more important than others depending on the context. The ability to withstand the elements, rate of degradation and temperature coefficient are all on the list. We have a wide variety of options suitable for use in any environment. And we have a solar calculator that can help you build a system tailored to your needs.
Features of 455 watt solar panels
- Standard manufacturer warranties last for 25 years, though some, like Silfab, offer as much as 30
- In most cases, the frame material will be anodized aluminum because of its low weight, high strength, and resistance to corrosion
- Today's modules face much less risk from PID (potential induced degradation)
- It is not uncommon for 455 watt solar panels to achieve a 22 percent efficiency or higher
Average price of 455 watt solar panels
A 455 watt solar panel price is determined by each individual manufacturer. But there is an advantage to opting for 455 W. These panels have nearly twice the capacity of regular modules, so you'll only need half as many units for a given system size. This could help keep costs down.
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