1Solar: Read 60 User Reviews From Real Homeowners

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Josh McIntire Denver, Colorado

Install went fine. It was a long wait (5 months) but my expectations were managed. Service has been super painful. One of my micro inverters failed. I received the failed part through warranty. I have been waiting to get it replaced by 1Solar for 5 weeks, still no scheduled service. I call everyday for an update, and it's fruitless. Important to note for future buyers. They are not just your installer, but also, your long-term service partner. These systems are meant to have a long useful life, and you will deal with service a lot longer than initial install.

3 weeks ago Edited May 27, 2026

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Verified Customer

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louie samaco

I was very happy that we are saving money from the power being generated.1solar was very professional in installing the panels. 1Solar takes great pride in ensuring each installation is done with professionalism, precision, and above all, safety. They kept me informed on everything that was happening throughout the installation of my solar panels. I would highly recommend this company.

11 months ago

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Rohit Chintala

We have a new construction home and wanted to install solar panels. The installation process, the costs associated, and the approvals required were very clearly explained. Once they received the go-ahead, they finished all the approval steps and installations in a timely manner. The technicians were also very kind and explained all the steps that they were going to perform with patience. There was no delay in any of the steps and we started receiving PV power within 3 months of starting the project. They also provide a useful app where we can track the power from each individual panel. Everything is working smoothly. Highly recommend one solar.

1 year ago

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Verified Customer

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Steve Liverance

Hard to give an overall rating as we’ve only been “on-line” for less than two weeks. Check back in a year ; ). We’ve actually dealt with four companies during the process: 1-Valor Roofing. Did the presentation and contract 2-1Solar. System installation 3-Enphase. System manufacturers and online(app) support 4-Dividend. Financing. Only glitch seems to be here. Paid off “loan” as soon as we received our PtO. Still getting notifications that auto-pay will start soon. Not your problem? Overall good experience. Need to see how things work out after some more time online. As far as being a paying customer of 1Solar, based on the above, we’re paying customers of a handful of folks Only ding on your customer service is the installation crew was about four hours late from when we were told they would be on-site. I was in the trades, so understandable but a phone call/text would have been appreciated

1 year ago

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Verified Customer

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Andrew Valenzuela

Jeremy A from 1Solar was absolutely awesome! His expertise and dedication made the entire solar installation process seamless and stress-free. Jeremy was professional, communicative, and went above and beyond to ensure everything was perfect. Highly recommend 1Solar and Jeremy for anyone looking to go solar! Even their crew installing everything was awesome!

1 year ago

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Verified Customer

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Dale Burnett

From the first contact with this company meeting with their people in the planning stage throughout the work being performed, they were very courteous and explained everything thoroughly. I’ve never owned a solar system, but I feel I have the general knowledge to explain to people how the entire solar system works. I’ve only had my system working for a few weeks, but comparing what it’s producing to that of my neighbors and others that have solar it appears to be working and producing appropriately

1 year ago

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Verified Customer

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David Allison

The company represented themselves in a good manner. My only negative is that when they decided on the number of panels based on my prior usage, they didn’t mention that APS would pay 7.8 cents per kWh, but my off peak rate I pay for usage is 12.345 cents per kWh. Without a storage device, I can never come out ahead. I’m paying approximately $45 more per month since getting the panels installed.

1 year ago

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Verified Customer

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Sharon Casagranda

The whole process was informative and so easy. The company led the whole way, and let us know what needed to be done and when. We did not experience any disruption to our normal life, as everyone involved was very knowledgeable and pleasant. I recommend this company to anyone who makes the change to solar!

1 year ago

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Verified Customer

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John Zurbuchen

1Solar was and is very responsive and helpful. All was installed, permitted, and inspected promptly. This is the second time I have used them and will again if I have any solar needs.

1 year ago

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Verified Customer

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Vince Van Brunt

Easy to do the 1 solar completes the permit nv energy confirmation of size system pay in full own outright federal energy tax credit was 26 percent maybe 30 2025 . Questions call or text me 775 277 0909

1 year ago

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Verified Customer

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Steven McIntyre

Rather than save money, I chose to go big with a system that provides 150% of my power, as well as batteries in the garage, and a SPAN panel to manage power draw during an outage. The install was an excellent adventure, but 1 Solar navigated the permits and inspections for me, so it was pretty smooth sailing. There were a couple of bumps, but nothing that they couldn't iron out in a timely manner. The install crew was amazing, and made sure that everything looked good, and worked well. I was always advised of what the next step was throughout the process, and I even got AC installed as part of the deal! The system looks good, and works great. I've exported 563.8 kwh so far, which will cover snowy/cloud covered days. We've also kept power through 3 power outages so far, and I couldn't be happier.

2 years ago

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Verified Customer

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Roslyn Wikoff

The sales member, Alex T, was very informative and was able to answer all my questions. The team that handled all the permits and paperwork took the burden off of me so I could work my regular job and not devote a bunch of time to setting this up. The installation team was respectfully of my property. So far I’ve had the solar panels up and working since March and have had a zero $ Xcel bill!

2 years ago

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Verified Customer

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Joe Toledo

The service is great,no problems with the equipment,the people are very informative and courteous, I will be recommending it to everyone I can !

1 year ago

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Timothy Hollabaugh

I think what was the best service was the follow-up after the excellent installation. The coordination with the local power company was smooth and complete. In addition to the genuine concern for a successful installation and activation was the ongoing communication regarding the status of the system.

1 year ago

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Verified Customer

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dean willis

We have two houses that we want solar on. Our primary residence is in Golden and we have been on-line with our solar system there for two months now. The whole process was smooth, supported by communication and professional crews. We are moving forward on the other house now. Solar1 has my full support.

1 year ago

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Regina McLeron

The installation was reasonably timely, the crew was polite and expeditious on the days they were present. The apps to monitor the system are fairly self-explanatory. It is reasonably easy to get in touch for customer servive if it is needed.

1 year ago

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Verified Customer

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Brooke Belton

The install went smoothly and very timely. Everything happened when we were told it would happen. Everybody that we worked with was very nice and knowledgeable. We haven’t had one issue with the panels. We needed something updated for the app to work appropriately and that was taken care of and the app works great!

1 year ago

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Verified Customer

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Ismaele Romano

a serious company that follows you in every aspect and in the process, documents, approvals, drawings and everything else, they are always present when you need them, they did a good job all in order, really happy. I highly recommend them.

2 years ago

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Verified Customer

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Rebecca Miller

I wish 1solar was my first contact with solar companies. My first company, lumio, was great at first and got my back panels put on and working quickly, but 1solar was even better with my front system, and they are the ones who actually got my electric bill down to $0.00! Polite and professional all the way through the process!

2 years ago

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ken browder Denver, CO

1 Solar is a very good company to work with they take customer service very seriously they’re very friendly very helpful. We go over and over everything with you until you understand it and they are not afraid to step in and help you out with anything. This company is very friendly and very good to work with unbelievable

2 years ago

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Bianca

I have rated this company 8 as I overall had good experience with a couple of hurdles. Needed some paperwork which took me two days to get those but ultimately I received it and had a smooth installation. So far I have been able to reduce my bill from $200.00/ month to $130.00 now. Hoping to reduce more in the future. I would highly recommend Onesola,

8 years ago

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Kallie adamson West Jordan, UT

This contractor that came to my house answered all my questions honestly. He was very knowledgeable of all the steps of the solar process. The customer service was also great and kept us in the loop with every step along the process. Great company and I would recommend them to anyone.

9 years ago

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Nina Bieker

AWEFUL AND THEY LIE. Nothing is as I was told. WAY overpriced and I still pay hundreds of dollars to the Power company. I was told that there were no need for more solar panels when in fact they did not even put up in the spots I was told and IT DID need more panels because the panels I got did not cover even half of the amount they should have. The only thing they did correctly was install quickly but that was just so they can start billing. FRAUD

7 months ago

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Verified Customer

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Ivette Garcia

Great team, had exceptional service from the beginning until process was completed. Definitely recommend 1solar

1 year ago

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Dusty Baca

Reps were always available and returned communication quickly. Our project was delayed for quite a while (not 1solar’s fault) and we ended up having to start payments for the solar system before it was installed. The point of installing solar was because the solar bill would be cheaper than our electricity bill, so paying both at the same time was rough.

1 year ago

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Verified Customer

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Lars Shively

They are upfront with the process and installation procedures. They have been available to answer questions or concerns. The whole project was seamless from permitting to installation and start up and beyond.

2 years ago

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Verified Customer

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Lani Breithaupt

Wow! They kept in contact with me on all levels! They are on top of their game! I’m so glad I kept turning away other companies, I was impressed with the recruiters that come door to door.

2 years ago

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Nicholas Joseph Glynn III

It’s just the beginning of the process. So far outstanding. But got some time to see if it pays off 👍

1 year ago

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Verified Customer

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Stan Dietzel

1Solar was always very responsive when we called, and they kept their commitments. They did excellent work and we have had no problems since our install.

1 year ago

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LuluP

Easy process start to finish, good communication, love my system. Only drawback is that they were a little more expensive than some. The sales representative I dealt with was wonderful!

2 years ago

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Verified Customer

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Dee Holyfield

The ease and process was awesome, customer service/technicians were very professional and respectful of my property during the installation. Highly recommended..

2 years ago

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Verified Customer

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Shina S

They were constantly communicating with changes or updates. Everyone that I came in contact with was very nice and informative. They were efficient and stuck to the deadline.

2 years ago

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Verified Customer

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Elizabeth Foster

I didn’t like having to wait until NV Energy conducted their final release. By the time the critter guard was put on I had pigeons that had already taken over and set up home. The rest of the process went smoothly.

2 years ago

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John W Denver, CO

Don’t do it, Don’t do it, Don’t do it! This is by far the worst experience with a company I have ever had. I’ve been dealing with solar1 since April… solar panels still not operating and it’s September! I’ve talked with several customer service reps, Michelle H and Matt S and still NOTHING! Nobody can give me answers! This is ridiculous. I’m about to start paying through my loan and panels are not operational….. Again since APRIL. The absolute worst communication. My friends and neighbors went with other companies and as an average they had their panels up and running within 4 weeks. Not solar1….we are going on 5 months!!! 100% unacceptable! Do not go with 1solar! If I could leave negative stars I would.

3 years ago

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Disappointed customer Las Vegas, NV

This company is an absolute deceiving nightmare! I would never ever use them if I had the opportunity again! It started off with their sales person Craig S., he came off as the best guy in the world, turns out he was the biggest liar in the world! They tell you that you are going to get a ton of money back from your income tax return because of the solar panels... Which is part of their trick to lure you in...& in reality you don't even get a 10th of it back! When they installed the solar panels... They literally broke over a 100 roof tiles, They refused to replace all the tiles that they broke even though I had surveillance cameras on my house in it shows them breaking the tiles! They failed the 1st city inspection.. They are the worst company I have ever dealt with in my life! If you getting solar panels beware! And now I'm looking at the submit button for this review, and the only option is to hit the word amazing! So just info for you... I do not find this company amazing at all, it's just another one of their tricks!

5 years ago

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Spencer Hodgson Salt Lake City, UT

They came out to my house and gave me a free quote. I was impressed with the sales rep that came out to my house because he was knowledgeable of solar and the savings involved.

7 years ago

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Verified Customer

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Christopher Powers

Everything is great since installation…No problems once day one!!

1 year ago

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Joseph Wersen

I do like the knowledge that you have with issues that come up. I haven't had any issues though.

1 year ago Edited October 29, 2024

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Scott Stinziano

Everybody was informative and very friendly. Easy to deal with.

1 year ago

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Jennifer Gore

The salesman told us if we needed to reroof, they would remove and restall 1x for free... Nope, they wanted $8,000. They did a crappy job installing the control panels and wiring, and had to redo that, leaving holes all over in our siding. They destroyed sections of the roof under the panels. We had to remove our solar 3 years after install, to reroof. One of their technicians took a LITERAL CRAP on our roof, under the panels. (I have pictures to prove it). They have been a joke from the beginning. DO NOT USE THESE GUYS!

1 year ago

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Verified Customer

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deshon souluv

Amazing customer service and care. They answered all of my questions with little to no delay promptly and professionally. I HIGHLY recommend 1 Solar.

1 year ago

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Verified Customer

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Bret Minnig

Poor information/updates during install on progress status. The regular updates were uninformative and required I call in and ask

1 year ago

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lilton monteith

Solar 1 took possession of the project from requirements to delivery and worked to insure that the project remained trouble free.

2 years ago

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Chad Wells Salt Lake City, UT

Stay vary far away from this company. The installers missed 60% of the truss anchors that hold the panels to the roof, On top of that they LEAK. They have no workmanship warranty at all. If you read this and still work with this company. YOU DESERVE EVERYTHING COMING TO YOU. ALL OF IT. THIS IS A REAL WARNING TO HELP PROTECT THE CONSUMER. Check out every review of every company you get quotes from, and do it in front of them and talk to them about it. Then you'll know the real P.O.S. sitting in front of you or not. Good luck for you all, your gonna need it.

2 years ago

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Douglas Jones Boulder City, NV

I have not see any change in my electric bill. I honestly do not believe my pana S were installed properly . It’s that or they didn’t install enough panals for my home. Also it harder for me to get someone to respond to me in this issue. So now I am paying for an install that doesn’t even work so to make a long story short instead of savings all I have done is add another bill to my already financial low status.

3 years ago

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J C

They keep dropping the ball over and over again forgetting to schedule me. The build has been completed since January and they forgot to schedule the final inspection. They finally got the final inspection done 2 weeks ago and it failed. Haven’t heard from anyone about getting the electrician out to fix the problem. I signed nearly a year ago. This is a joke.

3 years ago

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Verified Customer

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Chamnan Min

All the appointments was on time. Meetings, installation, follow up.

1 year ago

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Verified Customer

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Darlene Aguirre

Love how I can rent it without a loan and how easy

1 year ago

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Irene Matus

Best company ever, I’ve heard of so many horror stories and I can’t say enough about heir customer service

1 year ago

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David Lamarca Las Vegas, NV

The person that sold it to me was fired I am short by 3 panels and they won’t give it to me My energy bill is higher than before and now I am having to pay almost twice as before DO NOT GO TO THEM There is your WARNING

2 years ago

1Solar Reviews

Summary of Reviews