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A University of Oxford think-tank, the Food Climate Research Network (FCRN), has come out with a report, Grazed and Confused, that likens 100-percent grass-fed beef to that produced on a 10,000-cow confined animal feedlot operation (CAFO) like Harris Ranch on Interstate 5 in Central California—calling them basically the same in climate impacts.

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As the brilliant futurist Buckminster Fuller used to point out, our Spaceship Earth is hurtling through space at a great speed.

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SunPower Solar: Reviews, Costs, Quality & More (2021)

We review SunPower's strengths and weaknesses to help you understand if it's the right company for you.

Reviews
SOPA Images / Contributor / Getty Images

Solar industry leader SunPower consistently ranks as one of the best solar companies (and solar panel manufacturers) in the country. In this article, we'll take a look at why SunPower solar reviews are so positive and help you decide whether the company is a good fit for your home solar installation.

In recent years, SunPower has focused its business on commercial solar energy systems, but the company has since doubled down on the residential solar market. This is good news for homeowners, as SunPower offers some of the best solar panels and energy-related services on the market today.

SunPower Solar Fast Facts
Year Started 1985
Service Areas All 50 states, with Master Dealers in AZ, CA, CO, CT, FL, HI, IL, LA, MD, MA, MI, NV, NJ, NY, OR, TX, UT
Service Types Customized solar panel systems, complete with electric vehicle (EV) chargers and backup battery installations
Types of Panels Sold SunPower manufactures its own high-efficiency monocrystalline panels
Backup Battery Options SunPower SunVault™ Storage system
Certifications Solar Energy Industries Association, Cradle to Cradle Sustainability, North American Board of Certified Energy Practitioners (NABCEP) technicians
Better Business Bureau (BBB) Rating A+ with accreditation

The best way to figure out whether solar is a good investment for your home is to see how much an installation would cost. To receive a free, no-obligation quote from SunPower or a similar company in our network of pre-screened installers, fill out the 30-second form below.

SunPower Overview

SunPower has been in the solar business since 1985 and strives to provide a safe and reliable experience to customers. The San Jose-based manufacturer and installer currently offers services in every state. The BBB gives SunPower an A+ rating, which is above the industry average.

SunPower's greatest strength lies in the quality of its products, customer service and the comprehensiveness of the systems it designs and installs. SunPower has a product portfolio of high-efficiency solar panels manufactured by Maxeon, which recently spun out of SunPower to form its own entity. SunPower's Maxeon panels are some of the most efficient and durable solar panels on the market, and they're also the world's first solar panels to be Cradle to Cradle Certified safe, circular and responsibly made products.

With a strong foothold in manufacturing and commercial solar, SunPower has made moves to double down on its residential services; we expect big things. By acquiring Blue Raven Solar in October 2021, a young company with a reputation for excellent customer service and innovative financing options, SunPower demonstrates its commitment to expanding its share of the residential market.

SunPower Solar Services and Installation

SunPower's broad range of services set it apart from the competition. SunPower systems come complete with customized, fully integrated solar and storage platforms as well as add-ons like EV chargers. Unlike most other solar providers that offer products from varying manufacturers, SunPower's PV cells, panels, inverters, batteries and chargers are all produced in-house, are designed to work in tandem and are covered by the same warranty. This cohesion can simplify the process for SunPower's customers.

SunPower Solar Panels

SunPower offers four types of solar panels:

  • A Series: Built with the newest Maxeon Gen 5 solar cells, the A Series is SunPower's premiere panel, delivering up to 22.7% efficiency with the world's first 400-watt panels.
  • X Series: Built with Maxeon solar cells, X Series panels deliver up to 22.7% efficiency and have capacities up to 370 watts. These panels are perfect for space-constrained projects.
  • E Series: Built with Maxeon solar cells, delivering up to 20% efficiency and available in 320, 327 or 435-watt panels, the E Series is a great all-around solar panel.
  • P Series: These panels are built with SunPower's unique shingled solar cells. Up to 19% efficiency and available in a range of panels from 380 to 400 watts, P Series panels are optimized for large commercial projects.

SunPower Solar Storage

Unlike most other solar companies, which install third-party battery systems, SunPower offers customers its own SunVault Storage Systems to be paired with its solar panels. SunPro's SunVault Storage and Helix Storage (which is used in commercial installations) offer simple but powerful energy storage solutions.

These batteries are designed for day-to-day use and can significantly add to the amount of energy a customer is able to offset with SunPower solar panels. Best of all, these battery systems provide monitoring systems and backup power when the grid fails — something solar panels by themselves are incapable of.

For customers set on purchasing another brand's battery, there is no need to worry. SunPower panels pair well with other products like the Enphase Encharge and Tesla Powerwall batteries.

SunPower Solar Installation Process

SunPower prides itself on a smooth and easy customer process that can be carried out entirely remotely if preferable. Its intuitive design studio even lets you build your own solar system online from the comfort of your home, so you can see what solar looks like on your roof.

The installations themselves are carried out by partners within SunPower's nationwide network of certified solar installation contractors. SunPower chooses to hire contractors local to the region so that they can customize your solar system according to local weather patterns, building materials and city codes.

An average SunPower customer can expect the installation process to look like this:

  1. Free online estimate: By giving information about where you live, how much energy you use and your credit score, you can get a free online estimate from SunPower that includes the estimated system cost as well as projected 25-year energy savings.
  2. Solar consultation: If you want to move forward with SunPower after receiving your free quote, you can set up a free, virtual consultation with a SunPower representative. At this stage in the process, you have the chance to ask any questions about the system's design and how to meet your home's energy needs. After this, you'll receive a proposal.
  3. Complete paperwork and obtain solar permits and approvals: SunPower will apply for all permits and building approvals from your presiding city or county on your behalf. This process can take up to a few weeks. SunPower will also ensure you're enrolled in any eligible net metering programs.
  4. Solar system installation: SunPower will arrange for your system to be installed by one of its certified partners. Some states have technicians that are part of the company's Master Dealers program, which is an invite-only, rigorously selected list of SunPower dealers that best represent SunPower's brand. Installations typically take less than a day, depending on the complexity of the system.
  5. Inspections and permission to operate (PTO): After the system is installed, you'll need to wait until it's inspected by both your city and your utility company before you can turn it on. SunPower will arrange the inspections, and after your system passes, you can start using your solar power.

Solar Panel Warranty

A major benefit of the complete systems SunPower offers is that the entire solar energy project is covered by the same 25-year warranty. This comprehensive warranty guarantees 25 years of 92% output (most other companies are around 80%) and offers free repairs on any flaws in product performance, workmanship or defects.

SunPower's warranty is one of the best in the business, if not the best, and reflects the company's success in executing its core goals of providing a safe and reliable experience for customers.

SunPower Solar Costs and Financing

It's tough to predict the cost of solar for a single provider, as costs depend heavily on your location, home and energy needs. Though SunPower may have a slightly higher average price tag than some other providers, its business focuses on efficiency, and purchasing more efficient panels will save customers more in the long run.

Many small local solar installers offer discounts and deals to undercut big companies like SunPower. That's why it's smart to get quotes from multiple companies and compare them to see which installer offers the best solar panels at the most competitive price. Keep in mind the quality of panels you're considering, as the cheapest solar panels don't always provide the best value.

Financing Options Through SunPower Solar

SunPower offers three solar purchasing plans for customers, all backed by the SunPower 25-year warranty.

  1. Purchase in cash: Buying your system from SunPower outright will give you the shortest solar panel payback period and the highest return on your investment.
  2. Purchase with loan: With a third-party loan, customers can fund the purchase of their solar equipment and pay the loan off typically in five to 10 years. If you go this route, you still own the system, your solar panels will increase your property value and you'll be able to claim the federal solar tax credit. However, because of the interest you'll be paying and any applicable loan fees, this option is less advantageous than paying cash.
  3. Lease solar panels: SunPower offers solar leasing, which means the company retains ownership of the panels and you pay a monthly fee to purchase the power they generate. You don't have to pay much, if anything, for the installation, and your monthly payments are guaranteed to be lower than a typical power bill. But because you do not own the system, it won't add to your property value and you cannot claim the federal tax credit. This is the least advantageous option.

SunPower Solar Reviews

Similar to other larger solar operations, SunPower's size is both a strength and a weakness. Positive SunPower solar reviews praise the company's customer service, installation teams and system performance, yet communication troubles through a large bureaucracy have led to some negative feedback. Overall, it should be noted that SunPower reviews are largely positive.

Positive SunPower Reviews

Positive SunPower solar reviews reflect a successful commitment to its business model of good customer service, the best warranty in the business and highly efficient products. Positive reviews similar to those below usually reflect helpful representatives, consistent system performance and a company true to its warranty.

"We have had our panels for about six or seven years now, and they have performed as advertised. SunPower did replace the inverter several years ago with no fuss, no muss. I highly recommend SunPower for solar power generation." — Warren M via BBB

"My process took longer than expected due to unexpected issues. Throughout the process, the communication was good. They kept me up to date. All staff that came to my house were courteous and professional. They scheduled appointments around convenient times for me. Overall, it was a pleasant experience to get the system up and running. I would definitely recommend this team." — Linda S via BBB

Negative SunPower Reviews

Most of SunPower's negative reviews stem from issues within its chain of communication. SunPower is a massive organization, and at times some customers can feel lost in the shuffle. The company also outsources aspects of the work to local installers familiar with local ordinances, permitting and utility standards. This can lead to some customers wishing for one central point of contact.

Given the size of SunPower's operation, it has an impressively small number of negative customer reviews. Here are a couple of examples:

"We purchased a house that has a leased SunPower solar system. There is a one-time early buyout option that we are considering. SunPower has been impossibly unresponsive to our questions and concerns." — Mark W via BBB

"We've had solar panels for three years. This past May, we were notified that there was an issue with the panels. They have been to our house several times and still can't figure out the problem. They keep sending outside vendors to fix it but no solution." — Samira S via BBB

Our Take on SunPower Solar

SunPower's superior customer service, wide product offerings, complete systems and leading warranty make it one of the most trusted solar providers on the market today. SunPower has an A+ from the BBB and is taking concrete steps to improve any weaknesses to its business model by expanding its availability to homeowners through leases and improved financing options.

Overall, we recommend SunPower to homeowners whose priorities are simplicity, reliability and efficiency. The main downsides to SunPower stem from high initial costs, which can be offset by using high-efficiency products over time. However, some homeowners with plenty of space on their roofs may find better value in a lower-efficiency panel from a different company. Local competitors may also offer more competitive pricing to undercut the larger competition.

SunPro Solar Pros SunPro Solar Cons
Large service area Above-average initial cost
High-efficiency systems with backup battery and EV charging services Lack of customization with panel choice
Strong warranty
Excellent customer service
Flexible financing and lease options

Solar Energy Provider Comparison

To get a better understanding of our rating, let's look at SunPower compared to two other popular national providers: Sunpro Solar and Sunrun. SunPower typically ranks highly in customer services, service areas and warranty.

SunPower Sunpro Solar Sunrun
Year Started 1985 2008 2007
Services Offered Solar panel installation, battery installation, monitoring Solar panel installation, battery installation, monitoring Solar panel installation, battery installation, monitoring, maintenance
Batteries Offered Yes Yes Yes
Service Areas All 50 States AZ, AR, CA, FL, GA, IL, IA, KS, LA, MS, MO, NE, NV, NM, NC, OH, OK, SC, TN, TX, VA AZ, CA, CO, CT, FL, HI, IL, MD, MA, NV, NH, NJ, NM, NY, PA, RI, SC, TX, VT, WI, Puerto Rico and Washington D.C.
BBB Rating A+ A+ B+
Payment Options Cash, loan, lease Cash, loan Cash, loan, lease, power purchase agreement (PPA)

FAQ: SunPower Solar Reviews

Is SunPower a good company?

SunPower is a leader in the solar energy market for customer service, warranty and panel efficiency. Whether SunPower is the best company for you will depend on your energy needs, but SunPower is a reputable solar company with an impressive track record of customer satisfaction.

Is SunPower going out of business?

This is a misconception. SunPower recently split into two companies, separating from its manufacturing arm now known as Maxeon. SunPower will continue to work closely with Maxeon by selling and installing its products but will focus its efforts more on expanding the services it offers to customers.

Does SunPower make the best solar panels?

SunPower makes some of the most efficient solar panels available today. Whether they are the best for your home will depend on your energy needs. High-efficiency solar panels are typically best suited for homes with limited amounts of roof space.

Are SunPower panels Tier 1?

SunPower's panels are Tier 1, which means they can be used for larger, utility-scale solar installations. Tier 1 panels are not necessarily higher quality than Tier 2 or 3 panels.

Karsten Neumeister is a writer and renewable energy specialist with a background in writing and the humanities. Before joining EcoWatch, Karsten worked in the energy sector of New Orleans, focusing on renewable energy policy and technology. A lover of music and the outdoors, Karsten might be found rock climbing, canoeing or writing songs when away from the workplace.

The new Leonardo DiCaprio documentary Before the Flood can now be seen on National Geographic.

The actor is a longtime advocate of environmental causes, and his film is surely helping to increase awareness of global warming and the challenges we face with climate chaos. In it, DiCaprio journeys from the remote melting regions of Greenland to the burning forests of Sumatra to the halls of the Vatican, exploring the devastating impact of climate change on the planet.

Before the Flood discusses how climate change is moving us rapidly into an era in which life on Earth might be much, much different. It does a great job describing the pressing problems we face. Yet, sadly, the film has a serious omission. It makes only passing mention of the food issue and almost no mention of soils or ocean acidification.

Carbon farming is the solution to climate change. It's time for us to de-carbonize our energy and re-carbonize our soils.

Too few people know that Monsanto and industrial agriculture are contributing more to climate change than Exxon, Chevron and the entire transportation industry combined. Not many understand that a large animal feedlot is just as environmentally destructive as a coal-fired power plant—if not even more damaging.

So why are so many concerned people not addressing the food-climate connection?

It's Time for a 100% Solution

As the planet surges toward an atmospheric 450 ppm, solar, wind and reducing extraction alone cannot slow the release of carbon emissions fast enough. Yet Before the Flood, along with most climate groups, preaches only half a game plan—a 50 percent solution that will, in fact, allow continued destruction.

Our new president-elect is vowing to renegotiate the Paris climate agreement, to green-light shuttered toxic coal plants, to frack coast to coast, and to reduce incentives for solar and wind.

The unfortunate reality is that the carbon-busting Congressional legislation that will be awaiting Trump's signature will make Exxon blush! Thus the need to sequester carbon into the soil using the power of plants and grazing animals is greater now than ever. Will those who are a part of the climate movement start spreading the word of this potential solution?

The oceans are dying from a massive carbon bomb. We need to balance the carbon cycle and reduce climate chaos without losing any more time. The scientific solution—carbon sequestration—is one already proven by 500 million years of R&D. The short film The Soil Story explains this process well in an easy-to-follow five-minute animated clip:

We can readily increase the scale of carbon farming—also known as regenerative agriculture. And the good news is that hundreds of millions of farmers on small plots the world over already know a thing or two about this beneficial farming methodology.

Growing sea kelp in the oceans is another innovative way to sequester carbon while producing food, feed and fuel. But for this to be possible into the future, we're going to have to help our seas.

A recent Huffington Post article, The Ocean Is Losing Its Breath—and Climate Change Is Making It Worse, states:

"From the waters off the Oregon coast, to the upwelling zones off Peru, to the Baltic and Black seas, Bay of Bengal, South China Sea, and Gulf of Mexico, to name but a few regions, so-called dead zones are on the increase. Low oxygen areas in the deep ocean are also expanding, primarily due to warming. ... For example, experiments have shown that reduced oxygen greatly limits the metabolic scope of fish, and their whole metabolism slows down. Feeding and growth can be greatly reduced."

Soil Health Equals Cleaner Air

It seems that many climate environmental groups have yet to understand the carbon cycle or to see the big picture of ecology, a situation I pointed out in a 2015 EcoWatch piece, Why Are Climate Groups Only Focused on 50% of the Solution? If they did, these organizations would be unfurling banners at Monsanto's giant pesticide factories and soil health would be discussed when talking about climate action.

A few weeks ago, I chatted with the founder of 350.org, Bill McKibben, in the green room before he went on to the main stage at the annual Bioneers conference. In the course of our exchange, I realized that McKibben is so focused on fighting big oil and big coal that the idea of carbon sequestration as a solution isn't a part of his message.

Many 350.org members I've met show interest in this proven solution, yet prior to our discussions they've never heard about it. Except for a few rare mentions, the media has a virtual blackout on the subject. However, the Sierra Club is working on a new food climate campaign. Several people from the Sierra Club attended the second annual Soil Not Oil conference in Richmond, California, that Miguel Robles of Biosafety Alliance and I helped produce.

It seems as if, DiCaprio's Before the Flood team never thought to include in the documentary this solution that can actually reverse climate change. Instead, a professor interviewed in the film suggests that we switch from eating beef to chicken—without mentioning that 99 percent of all chicken on the market today is produced in a toxic, industrial, climate-killing manner. Also, there's a major difference between beef raised in metal pens and beef raised by letting cattle graze holistically.

The Solution is Literally Under Our Feet

Carbon faming is the solution to climate change. It's time for us to de-carbonize our energy and re-carbonize our soils.

Britain's Prince Charles gets it. A longtime champion of organic farming, he's joining a UK-France governmental initiative to improve the condition of global soils. Both governments are meeting with the prince to discuss the need to improve the health of soils worldwide.

Prince Charles has praised the French government's signature project on soil health, the 4/1000 Initiative: Soils for Food Security and Climate, which seeks to increase the health and organic content of soils worldwide. The Initiative aims to do this by demonstrating that agriculture, and agricultural soils in particular, can play a crucial role where food security and climate change are concerned. Those taking part in it will discuss how to restore degraded soils, improve the land's fertility and increase food security.

The Four per 1000 Initiative, launched by France at COP21 in Paris, is bringing together all willing contributors in the public and private sectors (national governments, local and regional governments, companies, trade organizations, NGOs, research facilities and others) under the framework of the Lima-Paris Action Agenda. Many countries have signed, yet sadly the U.S. was a no-show at the Paris COP 21 rollout. The U.S. Department of Agriculture could still champion this win-win solution for farmers, ranchers, eaters and—yes—earthworms.

Becoming a Carbon-Literate Society

It's time for humans to become more carbon-literate. The climate movement has done so much right, and its millions of participants would love to learn how they can be part of the solution by eating a diet that's regenerative and that returns carbon to the soil. It's a basic rule we learned in preschool: Put things back where they belong. We all have a huge opportunity to share this vital educational message.

Paul Hawken's Project Drawdown is showcasing one hundred of the best climate ideas, including planned animal grazing. His team's work demonstrates that land-based solutions give us the biggest bang for the buck in our climate fight. The organization's mission is to: reduce greenhouse gas emissions into the atmosphere through efficiency and resource productivity; replace existing energy sources with low carbon renewable energy; and bio-sequester carbon dioxide through innovative farming, grazing and reforestation practices.

We can all make a difference, every day. Here is a list of seven positive options for human and planetary health:

1. Elect climate-aware leaders.

2. Educate climate leaders about soil's redeeming powers.

3. Avoid industrial meat and milk. Instead, choose pasture-raised meats while eating less meat and dairy overall ... or just go vegan.

4. Choose organic foods, which have a lower carbon footprint.

5. Plant more trees, shrubs and herbs, all of which help to sequester carbon.

6. De-invest in firms that promote industrial ag or coal and re-invest in green energy and organic farming.

7. Share this article!

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