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Your dedicated LG Concierge Energy Advisor will guide you step-by-step toward the best LG solar option for you.
When you go solar, ask for
the brand you can trust: LG
Solar panels love hot, sunny days, right? You might be surprised to hear that this isn’t always true. Sunny days are great for generating solar energy, but all solar panels lose some performance capacity when that sunshine is accompanied by excessive heat. This is something to consider when you’re choosing your solar panels and calculating your long-term energy cost savings.
To express how well a specific solar panel will perform in hot temperatures, solar manufacturers use a measurement called the “temperature coefficient.” The lower the temperature coefficient, the better the solar panel will perform on hot days. One of the advantages of using LG Solar panels is the low temperature coefficients of our different models.
When solar panels are tested for their maximum power output, they are tested at an industry standard temperature of 77°F1. Generally, solar panels will begin to generate less power once the temperature rises above 77°F.
The “temperature coefficient” describes the percentage of power output that is lost by a specific solar panel as the temperature rises above 77°F1. Each solar panel line (such as LG Solar’s NeON® 2 or NeON® R) typically has a different temperature coefficient.
To determine a solar panel’s temperature coefficient and the effect of temperature on solar cell performance, temperatures are measured on the Celsius scale commonly used in countries outside the United States. The industry standard of 77°F is equal to 25°C. Starting with the power output at this temperature, solar panel performance is observed as the temperature rises. The percentage of power lost at a specific degree measurement above the industry standard is divided by the number of degrees above 25°C to provide the temperature coefficient.
For example, 83°F is approximately 28°C. If you’re observing the performance of a solar panel at 28°C, you’re observing it at 3°C higher than the industry standard. If you observe a power loss of 1.08% at that temperature, you divide that power loss by 3 to get 0.36, or a temperature coefficient of -0.36%/°C Pmax.
To further evaluate the panel’s performance as the temperature rises, you can multiply the percentage of power lost at a specific temperature by the solar panel wattage to determine how many watts of power are lost. If the example above is applied to a 320W panel, 1.08% of lost power x 320W = a power loss of 3.3W. This means that at 28°C (83°F), that solar panel labeled at a maximum power output of 320W would only generate 316.7W.
Temperature coefficient is an important aspect of solar panel performance, especially if you live in a region that experiences excessive heat conditions. We’re proud of the low temperature coefficients of our solar panels: The NeON® 2 line provides a low temperature coefficient of -0.36%/°C Pmax, and the NeON® R line offers an even lower temperature coefficient of -0.3%/°C Pmax.
The following considerations can help solar panels generate more power in high temperatures:3
Your LG PRO installer will also be aware that details such as the angle the panel is installed on the roof can cause subtle changes in temperature that can impact performance.
The temperature coefficient is important, but it’s not the only factor to consider when calculating the long-term performance of your solar system. Solar panel efficiency, maximum power output, guaranteed degradation rate over time, and energy generation capacity in low-light conditions (such as in the morning or early evening) are four other factors that come into play. Of course, you’ll also want to be sure your solar panels are backed by a solid warranty and a trusted manufacturer with a bankable brand.
LG Solar works closely with your LG PRO installer and serves as a one-stop-shop for any customer service needs.
When you go solar, ask for the brand you can trust: LG
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Because life waits for no one, at LG USA we create consumer electronics, appliances and mobile devices that are designed to help you connect with those who matter most. Whether that means cooking a nutritious, delicious meal for your family, staying connected on-the-go, sharing your favorite photos, watching a movie with your kids or creating a clean, comfortable place to celebrate the moments that matter, we'll be there for you every step of the way.
Designed with you in mind, LG products offer innovative solutions to make life good. With intuitive, responsive controls, sleek, stylish designs, and eco-friendly features, our collection gives you the power to do more at home and on the go. It includes:
Mobile: To help you stay connected your way, our mobile devices feature powerful smartphones, slim tablets and stylish smartwatches that fit seamlessly into your life. And whether you want to download the latest apps, shop online, text, track your fitness or just surf the web, they make it easy to do it all on-the-go.
TV/Audio/Video: If you can't get enough of your favorite sports, the latest movies, love 3D entertainment -- or just want to listen to your favorite music in stunning clarity -- our newest electronics can help you experience it all in a whole new way. Featuring brilliant pictures, lifelike colors and sound that envelop you from the very first note, our collection will transform your living room into a stunning home theater.
Appliances: Created to help you enjoy more of what life has to offer, our appliance collection features ranges and ovens that can help you cook healthy, delicious meals more efficiently, clean your dishes faster, do more laundry in less time, and even clean and cool your house so you can enjoy a comfortable space all year long.
Computer Products: Life happens in an analog environment -- and on a digital plane. And our newest computer products can help you experience the best of both worlds. Designed to give you crystal-clear images, deep blacks and rich colors, plus the speed and storage you need to work and play, safeguard memories and protect important documents, they can help you make the most of life in every way.
Explore our complete collection of LG electronics, mobile devices, appliances and home entertainment solutions -- and find everything you need to connect with your friends and family, no matter where they are.