Solar Panel Cost In 2023 (Homeowner’s Installation Savings Guide)
By Karsten Neumeister /
In this EcoWatch guide on SunPower Solar Panels, you’ll learn:
We’ve helped thousands of homeowners save time and money when going solar by breaking down exactly what they need to know about SunPower’s solar panels. Let’s get started!
SunPower and its solar panels consistently rank among the most popular in the nation for their exceptional efficiency, performance and warranty. In this SunPower solar panels review, we’ll discuss how the industry leader’s best solar panels line up against competitors’ top products.
Looking to learn more about SunPower solar installations? Click the link below to get a free quote from SunPower.
Jump To: Panel Overview | SunPower Solar Panel Efficiency | Temperature Coefficient | Warranty Information | Cost of SunPower Solar Panels | SunPower Customer Reviews | Bottom Line
With roots in solar technology and manufacturing, SunPower’s solar modules actually predated the company’s success in the installation market. To expand its installation services, SunPower announced in late 2021 that it would spin off its manufacturing arm into a new company, Maxeon Solar. SunPower’s solar panels are still branded after their original namesake.
SunPower offers four monocrystalline solar panels, each with its own unique advantages. Which panel you choose will depend on your needs. Here’s a rundown of each type of solar panel:
|SunPower Solar Panel||Efficiency||Wattage||Best For|
|A Series||22.7%||400 W||Homeowners who want the best product available|
|X Series||22.7%||370 W||Space-constrained projects, like homes with small roofs|
|E Series||20%||320 W, 327 W or 435 W||Residential projects and smaller commercial operations|
|P Series||19%||380 to 400 W||Commercial installations or projects without space constraints|
The first solar panel ever invented only had about a 6% efficiency rate — meaning only 6% of the energy striking the panel is converted into usable alternating current (AC) electricity. Even today, the most efficient solar panels in development only convert about 40% at the very most.
SunPower’s ratings of 19-22% (varying with the different models available) are significantly higher than most conventional panels on the market today, providing a variety of benefits. These include:
Watch Below: See Why SunPower Solar Panels Can Perform Well in the Shade
Temperature coefficient is another way to describe solar panels’ performance in varying conditions. Solar panels operate at an ideal temperature of around 75 degrees F, and their performance can degrade with temperatures significantly above or below that figure. The smaller the temperature coefficient, the less performance suffers when temperatures change.
SunPower solar panels currently hold a temperature coefficient between -.35 and -.29, some of the best on the market today. If you live in a climate that stays mild year-round, temperature coefficient will be less of a factor in your solar panel choice.
Solar panels are known for their durability, but a warranty is still a hugely important consideration in your purchase. Luckily, product warranties come attached to the purchase of most solar energy systems. These are good for at least 10 years, and the best cover performance up to 25 years.
Most solar panel product warranties cover the following:
Most solar panel product warranties do not cover the following:
SunPower’s 25-year complete confidence warranty offers the following to address a number of the common pitfalls of solar warranties:
Overall, companies like SunPower and ADT Solar (formerly Sunpro) are making all-in-one system warranties more commonplace. The results are paying dividends.
The cost of solar is difficult to predict by provider, since project prices vary so much with your location, electricity bills and energy needs. When you get a quote from SunPower, the price tag may seem a little higher than average, since its business focuses on efficiency. But remember, purchasing more efficient panels will save you more in the long run.
The best way to get a firm understanding of how much SunPower solar would cost you is to reach out and get a free quote. Even better would be to get quotes from SunPower and a few other local companies to compare prices. Keep in mind the quality of panels you’re considering, as the cheapest solar panels don’t always provide the best value.
SunPower offers three general solar financing plans, all of which come with SunPower’s 25-year warranty:
Here’s a recap of each financing option available for SunPower solar panels:
|Cash Purchase||Solar Loan Purchase||Solar Lease|
|Solar panel ownership||You own the system||You own the system||SunPower owns the system|
|Eligible for tax credit?||Yes||Yes||No|
|Adds to your property value?||Yes||Yes||No|
|Money required upfront?||Yes||Varies||No|
SunPower sets the industry standard for solar panel efficiency, performance and warranty. Customers with SunPower solar panels review them well, leaving great reviews such as the following:
“Five stars for the [most] efficient modules with the best warranty.”
— David S. via the Better Business Bureau (BBB)
“We chose SunPower because … their panels produce more than any other company. Our roof is not consumed with panels. We literally have half the amount of our neighbors.”
— Theresa D. via BBB
The company’s all-in-one system approach simplifies the solar process without sacrificing quality. It’s hard to go wrong with SunPower’s solar panels, but we especially recommend them to homeowners with limited roof space.
Here are the most common questions we get about SunPower solar panels. If you have specific questions that aren’t answered here, reach out to our team of solar experts at firstname.lastname@example.org.
SunPower uses its own solar panels that are manufactured through Maxeon, the company’s manufacturing arm. SunPower currently offers four types of panels: A Series, X Series, E Series and P Series. These panels are designed to cater to different energy needs.
SunPower is a legitimate solar company performing both residential and commercial installations throughout the nation. SunPower consistently ranks among the best solar companies in the U.S. and offers high-quality, high-efficiency solar panels.
NASA initially chose SunPower solar panels to fuel its unmanned aerial vehicles (or UAVs) while they were in flight. Since 1997, NASA has continued to work with SunPower on rover projects and more. SunPower actually got its start as an engineering firm and solar panel manufacturer after its founders were inspired by the use of solar on space crafts.