Panasonic solar panels vs SunPower

Updated: Nov 08, 2024
5 min

Maxim KulikAuthor

Panasonic and SunPower are two well-known brands that offer premium solar panels. Both companies are renowned for their high-quality products, but which one is better? In this comparison, we’ll take a closer look at the two brands and explore their strengths and weaknesses.

What we know about the Panasonic brand

Panasonic is a Japanese multinational corporation that has been in business since 1918. The company is known for its high-quality electronics, including solar panels. Panasonic solar panels are manufactured in Japan and Malaysia and are designed for use in both residential and commercial applications.

Panasonic offers a range of solar panels that have different wattage ratings and efficiency levels. The HIT series is one of the most popular, and it is known for its high efficiency, which ranges from 19.4% to 21.7%. These panels are also made to withstand harsh weather conditions, and they have a 25-year warranty.

Panasonic also offers a range of other solar products, including batteries and inverters. The company is committed to reducing its environmental impact and has a number of initiatives in place to achieve this.

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What we know about the SunPower brand

SunPower is a US-based company that was founded in 1985. The company is known for its high-efficiency solar panels, which are designed to generate more power per square foot than conventional solar panels.

SunPower’s panels have an efficiency rating of between 19% and 22.8%. The company uses a unique design that maximizes the amount of energy that can be extracted from sunlight. The panels are also designed to be durable, and they come with a 25-year warranty.

In addition to solar panels, SunPower offers a range of other products and services, including energy storage systems and installation services. The company is committed to sustainability, and it runs a number of initiatives to reduce its carbon footprint.

Panasonic solar panels vs. SunPower solar panels: Pros and cons

To help you compare the two brands, we’ve put together a table that highlights the pros and cons of each.

Panasonic: PROS	SunPower: PROS
1. High efficiency. Panasonic’s HIT panels are among the most efficient solar panels on the market, with efficiency ratings of up to 21.7%. 2. Long warranty. Panasonic’s solar panels come with a 25-year warranty, which is a testament to their durability and reliability. 3. Durable. Panasonic’s solar panels are designed to withstand harsh weather conditions, which makes them ideal for use in a variety of settings.	1. Superior efficiency. SunPower’s panels are among the most efficient solar panels on the market, with efficiency ratings of up to 22.8%. 2. Durable. SunPower’s panels are designed to be durable and long-lasting, and they come with a 25-year warranty. 3. American-made. SunPower’s panels are made in the USA, which appeals to customers who prefer to buy products made in America.
Panasonic: CONS	SunPower: CONS
1. Cost. Panasonic’s solar panels are among the most expensive on the market, which can make them less accessible to customers on a tight budget. 2. Limited range. Panasonic’s range of solar panels is limited compared to some other brands, which can make it harder to find the right panel for your specific needs.	1. Cost. SunPower’s panels are also among the most expensive on the market, which can make them less accessible to customers on a tight budget. 2. Limited range. Like Panasonic, SunPower’s range of solar panels is limited, which can make it harder to find the right panel for your specific needs.

Best solar panel Panasonic vs. best solar panel SunPower: By A1 SolarStore

Let’s compare the two best panels from these two manufacturers. Looking at concrete examples will make it easier to understand the strengths and weaknesses of each brand.

A1 SolarStore recommends Panasonic EverVolt 370 W

With a 370W power output, the Panasonic 120 cell Evervolt module is appropriate for both commercial and domestic installations. It's a Black Series; take note of this model's outstanding look. It displays an exceptional efficiency of 21.2%. At year 25 with a 0.25% annual power loss, you should have at least 92% of the rated power output. HIT technology combined with half-cut cells lowers power losses and maintains a high output even in hot conditions. A 25-year warranty is provided for the model's output, parts and labor.

A1 SolarStore recommends SunPower Maxeon 440 W

An AC panel from SunPower Maxeon comes with a built-in micro inverter from Enphase. The module provides 440 W of output with 22.8% efficiency. Microinverters have superior monitoring capabilities compared to string inverters. The inverter from Enphase works at 96.5% efficiency. The panel comes with an unheard of 40-year warranty from SunPower for product and performance. There is also a 25-year product warranty for the micro inverter which is covered by Enphase.