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Founded in 1985, SunPower Corporation is a solar company that prides itself on delivering reliable energy and long-term peace of mind for homeowners and businesses. The company is a pioneer in the industry and currently holds more than 500 U.S. patents for solar technology.

SunPower is known for its top-quality and high-efficiency solar panels that generate more power than conventional solar technologies. SunPower Panels have an attractive appearance and come in a few different size and wattage options to help both residential and commercial consumers get started with renewable energy. The majority of SunPower installations are completed by its expansive network of certified dealers.

Keep reading to discover The Good, The Bad, and The Bottom Line about SunPower, and check out SunPower reviews from real customers.

The Good

  • Purchase, Lease, and Loan Options Available
  • High Efficiency Panels
  • Industry-Leading Solar Panel Energy Production
  • Attractive Appearance
  • SunPower SunVault Battery Storage
  • Monitoring
  • Industry-Leading Warranties

Purchase, Lease, and Loan Options Available

SunPower offers three different payment options for customers to choose from: solar leasing, purchasing with cash, and financing with a loan.

With the lease option, SunPower Capital owns the system and the customer effectively rents the system via monthly payments. The lease comes with a 25-year performance guarantee, as well as easy options in case the customer needs to transfer the lease.

SunPower also offers outright purchase and financing options for customers interested in the tax credits and other incentives that supplement the benefits of solar power ownership. Loan terms for solar systems typically range from 5 to 25 years and do not have any prepayment penalties attached.

The cost of a SunPower solar system ultimately depends on several factors, including current energy usage, available amount of unshaded roof space, the local utility’s net metering policy, and other factors. The easiest way to learn exactly how much solar will cost you is to obtain a free quote from SunPower.

High Efficiency Panels

SunPower has been on the cutting edge of solar technology for more than 30 years. Consequently, the company excels when it comes to innovation and design of solar equipment, enabling customers to be confident that they will have the highest-quality solar products expertly installed on their homes.

In fact, SunPower provides the highest-efficiency solar panels you can buy today. The company's panels’ solar cells are made of anti-reflective glass and coated with anti-reflective film for optimum durability and to ensure that they capture as much sunlight as possible. 

Industry-Leading Solar Panel Energy Production

SunPower's X-Series solar panels excel in terms of power generation and deliver 44 percent more energy per watt than competitive products. This means that SunPower can provide more clean power for its customers' homes with fewer solar panels.

SunPower panels also boast 75 percent more energy per watt than conventional solar panels, meaning that an investment in a SunPower system pays off significantly more in the long run.

In addition, SunPower panels maintain their energy production much better than conventional panels in partially shaded conditions, making them a better rooftop solar option for customers who live in a cloudy region or an often shady area.

Attractive Appearance

In addition to being highly efficient, SunPower panels are uniquely attractive and aesthetically pleasing. While many other companies in the solar industry offer traditional blue photovoltaic panels with bright, visible frames and mounting hardware, SunPower's panels are all black, and their mounting system sleek and nearly invisible, blending in better with the rooftop on most homes.

SunPower SunVault Battery Storage

SunPower recently introduced SunVault™ storage — a powerful and sleek residential storage solution that pairs with SunPower Equinox®, the company’s premier residential solar power system. Once widely available, SunPower panels that are installed with SunVault storage will allow customers to have ready access to electricity even in the event of a power outage.

Monitoring

Monitoring of system status and performance is extremely important for customers who want to see how much energy the panels on their roof are producing —currently, as well as historically — and ensure that everything is operating as it should.

SunPower provides a helpful, convenient app for customers to do just that. The app provides important system information such as power output, estimated savings, energy production over time, and the environmental impact of the energy generated by the system.  All of this system information is easily viewed on a smartphone. 

SunPower systems also include a consumption monitoring kit, which is installed if the homeowner’s site is compatible. With consumption monitoring, homeowners can view current and historical energy usage, and the SunPower app provides more in-depth information about their energy profile. 

Industry-Leading Warranties

SunPower offers multiple warranties to protect its customers' solar energy systems, including a 25-year Complete Confidence product warranty, which covers the equipment itself, and a 25-year workmanship warranty, which covers the labor and installation. The clean energy company also offers a 25-year performance warranty, which covers the customer in the event that their solar modules underperform in terms of energy production and output.

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The Bad

  • No PPAs for Non-Commerical Buyers
  • Customer Service Complaints

No PPAs for Non-Commercial Buyers

Many customers may be interested in obtaining a SunPower module through a Power Purchase Agreement (PPA) because this payment method typically includes some kind of $0 down option, which eliminates a barrier to entry for them to go solar.

Unfortunately, SunPower only offers PPAs to commercial customers; however, the company's solar lease option can provide immediate financial benefits (and at a flat rate) to customers.

Customer Service Complaints

Some users on our site have provided negative feedback with regard to SunPower's customer service. Common complaints include difficulty to reach a representative, delays in returning phone calls and inability to resolve issues.

The Bottom Line

SunPower offers a number of payment options, the most efficient solar panels in the industry, state-of-the-art monitoring for its customers, and a 25-year workmanship and product warranty. 

While the company does not offer PPAs to residential customers, its lease program is a cost-effective alternative to outright purchase. The company leverages its dealer network to perform most of its installations, which in some cases can make it confusing for customers to know who to contact if there is an issue; however, these dealers are SunPower-trained and -certified, so customers should experience consistently high-quality regardless of service area or SunPower dealer.

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User Reviews

Star Rating

4.3
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1,387 Reviews

Review Breakdown

5 star
71%
4 star
11%
3 star
3%
2 star
3%
1 star
12%

Sentiment Criteria

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Karen Jaeger

November 20th, 2019 Surprise, AZ DETAILS arrow_drop_down
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We purchased our home in Surprise Az in August 2016. Not long after we moved in I received a call from Sun Power(SP) asking if they could send a Rep to the house to discuss solar which I accepted. Mr. W represented SP. During our conversation I asked why SP had contacted me and he said because of my age. Apparently SP searches public records to find senior citizens to sell their product. As it turned out I signed up with SP and received an email on 10/24/16 stating that I was approved. Nov 2016 I rec'd a notice that the HOA approved the solar. May 17, 2017 I received a notice from the city of Surprise stating that the building permit was about to expire. 10 1,2017 I received our first bill of $262.36 from SP Several months after I received a notice from SP stating that the system was not working properly and when they sent a tech out they said that one of the lines had melted. Sept 3, 2019 I received an email stating that on August 18, 2019 SP lost connection with our home. Sept 4 2019 I called and SP said they would have someone come out in 3-4 weeks. Oct 1, 2019 SP emailed stating that when the components were received, SP would give me a call. I called SP on 10/1/2019 and asked when they had ordered the part and was told 10/1/2019. 11/4/2019 a rep said SP's 1st opening was 11/14/2019. I told him that I was totally frustrated with their service and said that "maybe they'd show up or maybe not. As it turned out, on 11/13/2019 SP cancelled the repair service. It's NOT OK to financially harm customers and think its ok. It should never have come to this.

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Reply from SunPower

Nov 21, 2019

Hi Mrs. Jaeger, I am discouraged to hear about your experience and appreciate you bringing this to our attention. We truly value you as a customer and providing high level of service is our primary goal. According to our records, your solar system was sold by a SunPower dealer and not SunPower directly. This is important to mention because SunPower does not use age as a qualifying factor for potential solar customers. I would also add that, while the dealer who sold you this system is no longer in business, we take these claims very seriously. Please expect a call from an Executive Support Specialist to discuss your concerns in detail and provide additional assistance.

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Dr Bonnie Drozdowicz

November 19th, 2019 Milford, CT

Made appointment for what I thought was an in home consultation for solar power panels. I had my husband stay home from work to be there. Turned out to be a phone call. Would have been fine if told in advance that was the case.

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Britdill

November 19th, 2019 DETAILS arrow_drop_down
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They were efficient and speedy. Follow up questions quickly answered

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JIM

November 19th, 2019 DETAILS arrow_drop_down
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OUTSTANDING PROFESSIONALS FROM START TO FINISH

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Joe

November 19th, 2019 DETAILS arrow_drop_down
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My solar system is working better than expected, their customer servir is great

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Jennie Smith

November 19th, 2019 DETAILS arrow_drop_down
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HORRIBLE follow up. Install and run. The only follow up are random emails. No assessment of what was promised was delivered or not.

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Reply from SunPower

Nov 20, 2019

Hello Mrs Smith, I'm sorry to hear that there has been a lack of communication. Providing excellent customer service is our main goal. I would love the opportunity to restore your confidence in SunPower. When you have a moment, please send us a private message with your contact details. Once I have your account information, I can have an Executive Service Specialist reach out to you to discuss your concerns in detail. We appreciate your business and truly value your feedback. Thank you.

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Elaine Klein

November 19th, 2019 DETAILS arrow_drop_down
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Were always professional, called to update,

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Marta

November 19th, 2019 DETAILS arrow_drop_down
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The original order included the battery, but the installation of the panels didn't take this into account. Therefore, when it came time to install the battery, a lot of extra electrical work needed to be done. This wouldn't have been necessary if Tim, the sales person, ensured that all parties were on the same page.

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Tuti Mills

November 19th, 2019 DETAILS arrow_drop_down
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Love power from the Sun, it's clean and free, and charges my electric car. Would like to reduce dependence on oil and gas.

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Jonathan Christian

November 19th, 2019 DETAILS arrow_drop_down
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It has caused my light bill to drop from almost 600 to under 100 dollars so far.

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Mark

November 19th, 2019 DETAILS arrow_drop_down
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Maintenance free after over a year of service

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rt in San Antonio

November 19th, 2019 DETAILS arrow_drop_down
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Installer was very proffessional, panels are top quality and high efficiency, and warrantee excellent.

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Kat

November 19th, 2019 DETAILS arrow_drop_down
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Excellent work very efficient. Done in a timely manner.

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David Linnell

November 19th, 2019 DETAILS arrow_drop_down
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Best product on the market, franchisees where and equal factor.

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MSUMindy

November 19th, 2019 DETAILS arrow_drop_down
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Extremely professional in all aspects of the process from sales through installation and follow up

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Happy solar person

November 19th, 2019 Fairfield, CA DETAILS arrow_drop_down
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In some form or another I have had solar with Sun Power panels for the last 15+ years. Both purchase and lease. So far I have never been disappointed. The panels hold there efficiency very well. My first system I kept track of for close to 14 years, before I moved and the output was still 95%+. The lease I have now fits my lifestyle very well.

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Tom Sollebarger

November 19th, 2019 Sunnyvale, CA DETAILS arrow_drop_down
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I have had on going problems with my inverter for over one year than have not been resovled

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Fred Lavenski

November 19th, 2019 Fresno, CA DETAILS arrow_drop_down
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They are always there when we need them.

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Pam Seng

November 19th, 2019 Fresno, CA DETAILS arrow_drop_down
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Because they are good with no problems. Always keep us informed about things to come. Enjoy working with them.

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Ian Finger

November 19th, 2019 Clovis, CA DETAILS arrow_drop_down
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They have an efficient and high quality product.

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Thomas Edison

November 19th, 2019 San Clemente, CA DETAILS arrow_drop_down
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nobody perfect a couple minor glitches getting together with JCPL about connecting service should by now know all the gigs frim electric co.

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ML

November 19th, 2019 DETAILS arrow_drop_down
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not covering the amount of electric they stated

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Gregg S.

November 19th, 2019 DETAILS arrow_drop_down
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The system hasn't worked properly since installation 3 months ago. 4 panels have failed. Still waiting on replacement parts!

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Reply from SunPower

Nov 20, 2019

Hello Gregg, I am discouraged to hear of your negative experience. I would love the opportunity to restore your confidence in SunPower. When you have a moment, please send us a private message with your contact details. Once I have your account information, I can have an Executive Service Specialist reach out to you to discuss your concerns in detail. We appreciate your business and truly value your feedback. Thank you.

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smile with sunpower

November 19th, 2019 DETAILS arrow_drop_down
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quality product with excellent customer service

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Cindy Avalos

November 19th, 2019 DETAILS arrow_drop_down
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From start to finish they consistently delivered on all their promises, great customer service!

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Tom

November 19th, 2019 DETAILS arrow_drop_down
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Awesome product and great support. System installed and working faster than expected.

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No name.

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Good price and seamless construction. No surprises.

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Solar Happy

November 19th, 2019 DETAILS arrow_drop_down
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Reliable firm however I deal with Renova

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Rene Torres

November 19th, 2019 DETAILS arrow_drop_down
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Have had no problems with SunPower and my bills have been wonderfully low!

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Steve

November 19th, 2019 DETAILS arrow_drop_down
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Combination of excellent performance and appealing looks.

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Solar Farmers

November 19th, 2019 DETAILS arrow_drop_down
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The SunPower app does not work properly since installation approx 4 months ago. We constantly receive error messages about Wifi connection; slow data transmission; etc. We are unable to see true stats for ourself so every month we have to wait for our electricity bill to confirm the system is truly working. We like to see our own stats in real time, which is what we were told we'd be able to do. When we call the SunPower customer service number we're referred to our installer. The installer has come out to check our unit multiple times, they contacted SunPower about the issue but are uncertain when the app will function properly. This app situation with no solution in sight is not ideal and we feel like we have been taken advantage of. We were told we'd be able to monitor our unit, but we cannot.

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SlowJim

November 19th, 2019 DETAILS arrow_drop_down
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I can't see production of each panel and I'm getting three monthly reports every month, asked them to only send one (via their monitoring website) but not response.

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Layton

November 19th, 2019 DETAILS arrow_drop_down
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Very professional and honest. Took time and answered all questions, not pushy.

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Jacquie Mallard

November 19th, 2019 DETAILS arrow_drop_down
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Very professional every step of the process. Kept me informed of all steps and the follow up has been great. So happy to have worked with them.

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Jason

November 19th, 2019 DETAILS arrow_drop_down
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Our bill has been substantially reduced, but not to the degree promised.

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John Guzowski

November 19th, 2019 DETAILS arrow_drop_down
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Quality of product-Quality of service-Experience of service-Training Of service -

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Morey

November 19th, 2019 DETAILS arrow_drop_down
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All the people the came to our home from site survey to installation and cleanup were polite and professional. It's really too soon to discuss value until we have had the system in place for a couple of years. Upon completion I had difficulty getting promised documents. I finally succeeded in getting a link where I could printout a copy.

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Very slow service

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I have been having problems for 2 months and it's not fixed

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Reply from SunPower

Nov 20, 2019

Hello Customer, I’m sorry to hear that your expectations have not been met. When you have a moment, please send us a private message with your contact details. Once I have your account information, I can have an Executive Service Specialist reach out to you to discuss your concerns in detail. We appreciate your business and truly value your feedback. Thank you.

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grandpa in waiting

November 19th, 2019 DETAILS arrow_drop_down
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Highest production of power per panel and best 25 year warranty

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R M Isbell

November 19th, 2019 DETAILS arrow_drop_down
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The process went smoothly and the result has been great. I have had no problem with billing.

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Kelvin Valenzuela and Nelson

November 19th, 2019 DETAILS arrow_drop_down
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Great service. Great savings. Friendly and professional staff.

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Roy

November 19th, 2019 DETAILS arrow_drop_down
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Excellent service. They stand behind there product.

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Scott Ridout

November 19th, 2019 Placerville, CA DETAILS arrow_drop_down
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Professional and courteous only issue we had was during installation my wife's flowers were trampled. It was resolved

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Jim Polder

November 19th, 2019 Newcastle, CA DETAILS arrow_drop_down
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Would have been a 5, but supplies were delayed without good communication.

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Robert

November 19th, 2019 Lincoln, CA DETAILS arrow_drop_down
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SunPower has exceeded my expectation as a solar panel.

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Marzman

November 19th, 2019 Manteca, CA DETAILS arrow_drop_down
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No problems except for this survey which requires 40 characters!

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Mark

November 19th, 2019 Atwater, CA DETAILS arrow_drop_down
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Customer service and competitive pricing on solar

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Mark Lauer

November 19th, 2019 San Jose, CA DETAILS arrow_drop_down
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High quality products. Average (but improving) execution of administration and support.

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Dennis Daly

November 19th, 2019 Sausalito, CA DETAILS arrow_drop_down
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Clean install, quality of panels, and warranty

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Mark Pratt

November 19th, 2019 Petaluma, CA DETAILS arrow_drop_down
Value for your money
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Quality of product or service
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Customer service
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Company trustworthiness
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All around service, knowledge to get the best bang for my buck and leading edge technology