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Solar Optimum Reviews

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9.9

Overall Score

Star Rating

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4.9

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709 Reviews

Review Breakdown

5 grade

91%

4 grade

6%

3 grade

1%

2 grade

1%

1 grade

1%

Sentiment Criteria

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Quality

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Service

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Trustworthiness

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Featured Review

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Jim Wehri Altadena, CA

Recently had 2 Tesla batteries installed to compliment existing solar system. The Tesla system design and installation was superb. Very clean and efficient. The technicians were very capable and polite. Everyone at Solar Optimum was cordial and accommodating. Just be aware that the timeline on projects as this is long because of all the various parties involved — approvals, licensing, commissioning, etc. Solar Optimum does all it can to expedite, but it takes time! In summary, I am very happy that I selected Solar Optimum to do my installation. They know how to navigate the bureaucracies involved and communicate progress. Jim W

2 years ago

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Reply from Solar Optimum

We're so happy you chose Solar Optimum, Jim! Thank you for the rave review!

Feb. 1st, 2023

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Jason

Had a great experience speaking with Energy consultant Andrew Felix. I was surprised by how quick and efficient the whole process was. I received a well laid out solar system plan perfect for my size home, and electrical usage. The pricing was very competitive, honest and straight forward. I really assumed getting solar would have been much more confusing and complex. If you are thinking about solar ask for Andrew Felix, fast, efficient and zero games… save yourself the time of shopping around and multiple quotes, too many companies out there with confusion pricing. This agent and company will give you the bottom line best deal right upfront!

1 month ago

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Kyle Smith

⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️ WOW — If I could give 10 stars, I would! What an absolutely superb experience with Solar Optimum from start to finish! I was referred to Solar Optimum by a close friend who had a great experience with their roofing and solar + battery installation and now I completely understand why. From my very first call with Tom, their representative, I was blown away by his professionalism, sincerity, and deep knowledge. I’ve dealt with many contractors over the years, but Tom’s clear and honest explanations of the process and how I could truly save money with solar and battery storage were a breath of fresh air. After getting five different quotes, Solar Optimum offered the best combination of pricing, product quality, and professionalism. With the strong referral from my friend and all their outstanding online reviews, choosing them was an easy decision. I signed up for a new GAF composition shingle roof with the GAF Golden Pledge Lifetime Warranty, 24 Mission Solar panels, and a Tesla Powerwall 3. The very next day, Sonia called to schedule my site survey, she was warm, professional, and explained exactly what to expect. The survey technician was courteous, on time, and respectful of my property. Within three days, my project plans were finalized! Then Hannah from their project management reached out and walked me through some design adjustments to better locate the battery on the north side of my home. She made sure every detail was handled perfectly. Solar Optimum submitted for the permit, and incredibly the permit was approved in just one day! Carlos from their roofing department called immediately to confirm my roof installation date. He was knowledgeable and kept me informed the entire time. The roofing crew began work the following Monday and wrapped up by Friday. They showed up early every morning, kept the property spotless, and were respectful and professional throughout. Jason called to review some necessary lumber replacements and answered all my questions with the kind of expertise that only comes from years of experience. Once the roof was complete, Orbel reached out to schedule my solar and battery installation his enthusiasm was contagious! Rafi and his crew arrived on time, explained the entire process, maintained excellent communication, and made safety a top priority. I can’t say enough about the quality of their installation the panels are perfectly aligned, and the conduit is neatly run and painted to match the house. Everything looks amazing! The installation only took two days, and Rafi made sure I understood exactly how the system works before wrapping up. Afterward, Solar Optimum sent me clear instructions to set up my Tesla and Enphase monitoring apps and even helped walk me through the next steps with Southern California Edison (SCE). Despite being told the utility process could take six weeks or more, SCE completed everything in just a couple of weeks, and I received Permission to Operate (PTO) in under 60 days from signing! That includes roofing installation. Every single person I worked with from sales to project management to installation was friendly, professional, and genuinely cared about delivering a great experience. If you’re considering solar, roofing, or battery storage, look no further than Solar Optimum. They’ve earned every one of these 10 stars and then some. ⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️

1 month ago

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Valarie USA

Customer Review Video

4 months ago

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Reply from Solar Optimum

We're so glad to hear you're happy with your experience! Thank you for the wonderful 5-star review.

Jul. 30th, 2025

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Estrella USA

Customer Review Video

5 months ago

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Reply from Solar Optimum

We're incredibly happy to receive your 5-star review! It's wonderful to hear how satisfied you are with our service and the positive impact we've had. Thank you for choosing us!

Jul. 30th, 2025

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Rose USA

Customer Review Video

5 months ago

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Reply from Solar Optimum

We're absolutely delighted to receive your 5-star review! It's fantastic to hear that your experience with us was smooth, fast, and professional, and that you're so happy with the results. Thank you for choosing Solar Optimum!

Jul. 30th, 2025

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Richard Gomez

I went solar on my FL home with Solar Optimum, and they were great to work with. Everything I read about them was on point. My rep was great, and the installation crew was professional. There was a bit of a delay in the installation, but that was due to my utility company. Definitely a solid company with a good reputation.

1 month ago

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DeVanne USA

Customer Review Video

4 months ago

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Reply from Solar Optimum

We are delighted to receive your 5-star review! It's wonderful to hear that you had such a positive experience and are benefiting from significant savings. We appreciate your recommendation and are committed to providing excellent service and solutions.

Jul. 30th, 2025

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Anne USA

Customer Review Video

6 months ago

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Reply from Solar Optimum

We're thrilled to receive your 5-star review! It's fantastic to hear that going solar with us was such a great decision for your home. We're so glad you're happy with the service and the results. Thank you for your strong recommendation!

Jul. 30th, 2025

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TJ Quigly - Solar Optimum USA

Customer Review Video

6 months ago

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Reply from Solar Optimum

We're thrilled to receive your 5-star review! It's fantastic to hear that going solar with us was one of the best decisions for your family. We're so glad you're happy with the design, installation, and communication, and that your energy bill has seen such a positive change. Thank you for recognizing our honesty, reliability, and experience—we couldn't be happier that you're happy!

Jul. 30th, 2025

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Clay Samuels

I’m glad I picked Solar Optimum. Omar Segura is very informative and knowledgeable about the entire process, communication is great and I’d definitely do business again in the future.

1 month ago

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marcelino del rosario Los Angeles, CA

I did a lot of research before I decided to select Solar Optimum, I would say that they were not the cheapest but they have a competitive price. I decided to go with this company because of the 5 star rating reviews and being awarded by Panasonic as installer of the year. I was not disappointed and they fulfilled their promise in installing my solar in less than the time frame they gave me, thank you William and Francisco. Their Installers were very professional and they even help me to replaced a bad breakers, thank you Raffi. Their customer service were awesome and always there to answers any questions, calls and emails. I am now enjoying the benefits of solar power, I will give an update if the promised output KW is attained in the future. Thank you Solar Optimum and I will be recommending you to all my friends.

4 years ago

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Reply from Solar Optimum

Being awarded Panasonic National Installer of the Year has to be one of the highest accolades we've received this past year. It's truly an honor and we are ecstatic this was a driving factor to your decision in going with us. Thank you for the great review, Marcelino!

Sep. 2nd, 2021

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Tom Presler Modesto, CA

Solar Optimum has been a 5 Star Experience in all categories from start to finish. What I'd like to write about specifically though is to recognize Solar Optimum's level of Customer Service and "Service After the Sale," so to speak. I DID have a couple of minor issues after activation, but Solar Optimum fixed everything in Lightning Speed. I literally called once in the late afternoon, and had someone at my door who resolved everything early the next morning. Nothing less than Stellar! Solar is a major and worthy investment, and every step of the way, I couldn't ask for a better experience. Everyone I've ever dealt with at Solar Optimum has been A+ and I'm VERY happy with our system. I don't know how they could be Better.

4 years ago

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Reply from Solar Optimum

Appreciate the 5-star review, Tom.

Apr. 19th, 2021

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Alex Peykov Los Angeles, CA

Quoting was fast and I liked that there was no pressure to sign a contract. They weren't the lowest-cost option but we had just put in a new roof and the roof penetration warranty was the best I found. The installation was very quick - we didn't have to be on-site for it. We had existing electrical issues with our wiring and electrical panel and Solar Optimum fixed them in-house at cost (a lot of solar installers don't do additional electrical work) and made sure our inspection passed. They also submitted all paperwork and were present for the inspections - made the whole process really easy and effortless on our end!

5 years ago Edited January 10, 2024

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Reply from Solar Optimum

Hi Alex, we appreciate your valuable feedback and we apologize if you had a bad experience with the electrician that was sent to your site. We hold ourselves to the highest certifications and standards so if there is anything we can do to better your experience please let us know. You can email us at marketing@solaroptimum.com or call us at 818-745-1475

Jun. 18th, 2020

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Doug Rasp Los Angeles, CA

Adding Solar panels was completely foreign to me. The team at Solar Optimum was fantastic. They communicated every step of the way and were extremely easy to get a hold of if I had questions. There was virtually no work on my part other than getting HOA approve and signing a few documents. Solar Optimum managed every other aspect of the project and communication with the city and SCE. They are fast too, I’m already generating my own power. AND to top it off their quote and financing was HALF their competition. I’d highly recommend and already have to friends and family.

2 years ago

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Reply from Solar Optimum

Doug, thank you so much for the review. We're so happy you chose Solar Optimum!

Feb. 1st, 2023

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Hong Tran Corona, CA

We’re very please with Solar Optimum. They offer competitive pricing and great customer services. We’re kept informed throughout the permit and installation process. They worked efficiently and completed the job within a few weeks. We’re very pleased with both the result and the entire experience. We will be very happy to recommend to our friends and family. Thank you Solar Optimum for a great job with our solar panels installation!

3 years ago

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Amelia Brooke Los Angeles, CA

We were so grateful to find Solar Optimum when searching for our new solar panels. They were fast, provided all the necessary information for us to become educated and make a wise choice regardless of what company we went with. We decided to go with them and along the way got a terrific new roof as well that Solar Optimum organized. Very fast and courteous crews and can’t say enough about the support on the technical side of things.

3 years ago

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Hector Gonzalez Los Angeles, CA

Really impressed with the professionalism, overall customer service, and quality of my new solar system. I went with solar optimum mostly because of their great warranties. They are 25-Years all across the board (Panels, Inverter, Racking, Roof, Workmanship, and Performance Guarantee) I was referred by my brother in law so seeing how attentive they are with his system now two years later makes me feel confident in their service.

4 years ago

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Reply from Solar Optimum

Hi Hector, thank you for selecting Solar Optimum for your solar project. We are happy to hear you were referred to us by your brother-in-law and hope to receive more referrals from your family in the future!

Oct. 5th, 2021

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Andy Alvarez Norwalk, CA

After several months of researching solar companies in Southern California, we are very satisfied and extremely happy with Solar Optimum for our solar, and battery installation. Like any homeowner there will be hiccups through out the process when dealing with the city and utility company. SO was able to communicate with me effectively and get my system up and running before the summer heat!

4 years ago

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Reply from Solar Optimum

Thank you for the review, Andy!

Nov. 12th, 2021

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Peter Calcott

Customer Review Video

5 years ago

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Carrie Covina, CA

The representatives that we came in contact with starting with the very first phone call I made to the company for information on their system, the Administrative staff, the Technicians, the Electrician, Project Manager, and Accounting. Everyone was courteous, professional, knowledgeable, friendly, and executed customer service. We are pleased with The service this company provided from start to finish and I received my first month billing from SCE in the amount of $9.59. Good job SolarOptimum and keep up the good work. Sincerely a Satisfied Customer.

5 years ago

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Peter van der Pas

To be fair, Solar Optimum had just recently started doing business in Northern California in Summer 2019 when I contracted with them for a home rooftop solar installation. At the time they had very good reviews from customers in Southern California but none in the Bay Area. After my initial review here on Best Company, Alexander R, Operations and Maintenance Manager, contacted me to reassure me that Solar Optimum is responsive to my concerns and is there for after installation support, and indeed they have come out a couple of times in the last year to address fairly minor issues with the final install. It is this commitment to after-sale service that motivated me to update my review. My original review follows... Solar Optimum was unable to complete the job in the promised timeframe due to numerous errors and avoidable delays. Initial plans did not include all panels specified in the contract. This caused a delay in submitting plans to the city for permits while they were being corrected. The wrong panels were delivered to the job site. Again I as the customer was the one who had to check their work. Subcontractors ordered a main electrical panel for underground utilities whereas this is a home built in 1940 and all utilities are on a pole. This caused additional weeks delay. Solar Optimum scheduled building inspection for a day they were not ready and were not present on site when the inspector arrived, causing further delay. The final installation was completed in a good workman like manner and passed inspection by the city. I only wish the process was smoother and that there would have been no delays.

5 years ago Edited January 10, 2024

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Alex dos Santos

Great company overall, had some issues with sales communication and post-install service. However, their management corrected any issues once alerted. I understand that residential solar is of less importance than commercial installation and maintenance--and I'm happy to queue up behind the squeaky wheels--however, the company has poor at responding to emails. In my business, I respond to all customers--big and small--quickly, even just to say that email was received and that a follow up would ensue. Other than communication issues, I would still recommend Solar Optimum with that caveat, and would ask them to improve by simply acknowledging emails even if just to say that a requests may take time to get to.

5 years ago

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Jatin Killampalli

Mike & Elias did a great job in getting us upto pace with all the steps from utility, panels, inverter, city evaluation & net metering setup. I also contacted them couple of times for checking on the inverter app & panels and got quick response. Overall, I didnt have any issues with the panels/inverter and the process was smooth and took around 5-6weeks as promised.

5 years ago

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TJ Quigley

They were a great and transparent company to work with upon installation. I chose them because they weren't a fly by night operation and wanted to have the piece of mind that I was covered POST install. Well one of my microinverters went down. We discussed next steps. Turns out it needed to be replaced and they had it ordered for replacement and installed within a week! Great job Solar Optimum!

8 months ago

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Reply from Solar Optimum

Thank you for the 5-Star review, TJ! Congratulations on going solar.

Apr. 21st, 2025

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MARC OLSON

Amazing Experience!!! I do not always take the time to do reviews for companies. Solar optimum did an outstanding job and I could not be more pleased. Brandon C took the time to answer my questions and was professional through the the entire process. I interviewed 8 companies and without question Solar Optimum was the best choice. They are there to answer questions after the sale and continue with Over the Top customer service.

8 months ago

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Reply from Solar Optimum

Marc, we appreciate that you went with Solar Optimum after interviewing 8 companies. We're honored that you selected us!

Apr. 21st, 2025

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dirtstink

The process was a long one with all that was needed from the city and SDGE. Solar Optimum helped every step of the way and got everything taken care of as fast as they were able to. With energy prices increasing by the day the amount of money we are saving is well worth the investment.

1 year ago

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Reply from Solar Optimum

Thank you for choosing Solar Optimum for your project!

Jan. 15th, 2025

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Calidian

Solar optimum was very responsive and supportive to any issues or questions that occurred during the installation of my solar panels. The team did an amazing job working with my HoA, answering any questions they have and providing the information needed so my solar project can be completed.

1 year ago

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Reply from Solar Optimum

Thank you for your kind review. We're so glad to hear that you had a positive experience with our team. It was our pleasure to support you throughout the installation process and to work closely with your HOA to ensure everything went smoothly. If you ever have any further questions or need assistance in the future, we're always here to help.

Apr. 23rd, 2025

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Sarvagya Pant San Jose, CA

I installed my solar from Solar Optimum on September 2022. My overall experience is positive although there were some hiccups during main panel upgrade and city inspection. I also wanted to beat NEM 3.0 deadline. I finally got my PTO on January 2023 and I can use solar now. Thank you SO for this. Some suggestions to SO: 1. Customers might want monitoring in their system. Maybe SO can install a slightly big panel so that they can enjoy production and monitoring. 2. Improve email communication also. There were delay in email and I had to call main office several times.

2 years ago

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roobik asadorian San Bernardino, CA

I am completely satisfied with Solar Optimum work and performance, the highlight of their work was that they completed installation of solar panels and electrical panel upgrade from 100 Amps to 200 Amps in only one day. They did a very clean job. I recommend them to new owners who think about going Solar.

2 years ago

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ram_a San Jose, CA

I’m delighted at the professionalism demonstrated by Solar Optimum during the entire process of solar installation at our home. Every step was well communicated and the staff was readily available to answer questions over the three month process.

2 years ago

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Reply from Solar Optimum

Thank you so much for the review and happy to hear you had a great experience with Solar Optimum!

Jan. 24th, 2023

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Huaming Qiu San Diego, CA

Solar optimum changed design under my request several times until it met my need. The installation is neat and quick, it has minimum impact on my daily routine and the house. The power generation is inpar with the number they promised.

3 years ago

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V You Long Beach, CA

Solar Optimum provide very good service even during the pandemic. I waited until the second half of the year, so the wait was longer to get everything installed. Overall, they got things done in a reasonable amount of time and keep everyone safe during the installation process.

3 years ago

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Supriya Bhargave Irvine, CA

Work was completed successfully. There was little hickup when the stucco person left a big hole in wall for couple days, and the pipes not being painted until asked etc. But overall it was good. At least I don't have problems with the system

4 years ago

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Reply from Solar Optimum

Supriya, I'm glad we were able to overcome the issue. Very happy to hear that your system is performing. Thank you for your review.

Nov. 12th, 2021

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Dan DeLoach Orangevale, CA

The design process didn't go the best. They had to make three site visit to confirm the roof layout. After two site visits they sent me a layout. I pointed out that roof vents from the bathroom where in the way. They had to make a the third visit and re-design the layout. The installation process went well and smooth though and the system produces as designed. The permitting process went well too. Communication during design was 50/50. They responded to calls but not emails very well.

4 years ago

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Reply from Solar Optimum

Thank you for your review, Dan. We will always continue to improve and modify our processes to better serve our customers. Appreciate the feedback and the your business. Congrats on going solar!

Jul. 20th, 2021

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Marcela Alvarez Covina, CA

Solar Optimum was professional, from start to finish. I had my initial consultation with William. He was able to walk my project through every step and provide me with five star customer service. I am now saving hundreds of dollars on my electric bill. I would highly recommend Solar Optimum to any family or friends looking to go solar.

4 years ago

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Reply from Solar Optimum

Thanks for choosing us and recommending us, Marcela!

Nov. 12th, 2021

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Joan Mei Lehi, UT

Very fast and clean installation (a couple of hours), no power shut down during installation as I was concerned. After that the system works well, the control panel and App are easy to use. Customer service is great, called them twice for some small questions and every time was satisfied.

4 years ago

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Reply from Solar Optimum

Joan, our customer service team appreciate the review. Thank you for doing business with us.

Apr. 19th, 2021

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Andrew Dinh Tustin, CA

Solar optimum has been very responsive and customer service has been great. They were very efficient with their proposals and install. When we had an issue with turning on the micro inverters, they made it a priority to get the system up and running

4 years ago

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Reply from Solar Optimum

Andrew, thank you again for choosing Solar Optimum for your energy needs.

Apr. 19th, 2021

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Alex Northridge, CA

Great price on system. Excellent follow up from start of process all the way after installation. Installers were very good and made sure to check in with me throughout the install to make sure I was given options on instal methods. They really surpassed my expectations all around.

5 years ago

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Kevin

Solar Optimum itself was great, but the installers they hired were a nightmare. It was a fight to get the system installed within months of when it was originally promised. They failed multiple inspections with the City and I ended up calling the permitting office directly to sort out the issues that were preventing the project from being approved & it was clear the installers were being dishonest with what they were telling me in person was holding the project up. The only reason the system was completed before the end of the year (and I was able to collect the full tax credit) was because of the legwork I personally had to put in with the city. I felt like I was required to do far more than a typical homeowner ever should have been just to get things installed correctly and in a reasonable timeframe.

5 years ago

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Elaine

I’m writing this one Year plus from installation Andy we’re still extremely happy. The app works very well and there have been no glitches. Below is what I wrote last July, and I still think the same. Professionalism, follow-through and meticulous attention to details

5 years ago Edited January 10, 2024

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Reply from Solar Optimum

Hi Elaine, we appreciate the kind review. Thank you for taking the time to review Solar Optimum your business is greatly appreciated!

Jul. 10th, 2020

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Chris Helmstedter San Gabriel, CA

I had Solar Optimum put 26 panels on my roof and install a Tesla battery. The Panasonic panels were higher quality than those offered by a competitor. My electric bill has gone down to around $10/mo vs $400-600/mo last summer. The install went smoothly. I had a problem with a trench being left open at the end of the job that I filled in myself. The company refunded half of the bill for the trench which seemed fair. The solar system has been working fine and I have had no issues with the product at all. I would recommend this company.

5 years ago Edited January 10, 2024

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Reply from Solar Optimum

I believe you've been in contact with our O&M Manager and you have agreed on a resolution. Again we apologize for any inconveniences brought forth by this experience but we appreciate your willingness to work with us to address this matter.

Jul. 16th, 2020

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Evelyn Glander

From beginning to end it was a seamless installation. I also so appreciate the after installation checking that everysting is functionung the way it should. During power outages that was so re-assuring. This is a caring and good company!

5 years ago

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Steven SImone-Friedland

A great company to work with. The installation went so smoothly and now that the system is up and running, they have been extremely helpful in answering any and all questions I may have. Installing solar was a stressful process for me because of so many unknowns, but so far, I could not be happier with my decision to use them.

5 years ago

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Reply from Solar Optimum

Steve, many thanks from all of us at Solar Optimum for choosing us for your solar project and for this stellar review!

Dec. 5th, 2019

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SS Gill

My solar installation went very smoothly. First I was little upset why they are taking so long, but I was wrong. It really takes long time as so many steps are involved in it the installaion. Just to install the panels takes only 1 to 2 days, but lot of things go behind the scenes that I didn't know.

6 years ago Edited January 10, 2024

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Marc Margulis

I met with 3 or 4 other solar companies in the years before meeting with Solar Optimum. The previous companies's representatives all lied to me or tried to distort the benefits. Solar Optimum told me the truth. The system was installed properly, works as specified and my property was treated respectively. What more can anyone ask for?

6 years ago

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Reply from Solar Optimum

Hi Marc, happy to hear you had such as positive experience with Solar Optimum. Thank you for taking the time to write this review.

Dec. 12th, 2019

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Joy

They got job done, but outside of promised time frame, with no acknowledgement for the miss. I was pushing things to move faster (to be expected from a customer), and sales rep emailed someone internally that I am 'tired of hearing,' (read: that I am not capable of understanding what they have explained before). He inadvertently sent me that email (smart move).

6 years ago

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Reply from Solar Optimum

Joy, we appreciate your review and your comments are noted. We will work even harder to improve our internal processes and communication better, thanks to you. We apologize for the incident and hope, besides that, you had an overall good experience with us. Feel free to communicate with us by emailing the marketing department at

Jun. 14th, 2019

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Les Judd

They designed a system for our needs and workers to our home to set it all up. They installed it and had the city inspectors check their work and all passed with flying colors. They answered any questions we had and even came out two times to make sure all things were going right. They flipped the switch and it all work like it should.

6 years ago

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Reply from Solar Optimum

Les, thank you for the 5 star review. We are thankful that you choose Solar Optimum to install your solar system.

Jun. 14th, 2019

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Paul Nathan

It is our second solar installation. Not only very professional, on-time and all the roofers/installers were superb as well as very courteous. No hesitation at all recommending the company.

5 months ago

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Reply from Solar Optimum

We're so happy to receive your 5-star review! Thank you for choosing us again and for your kind words about our team's professionalism and service. We truly appreciate your strong recommendation!

Jul. 30th, 2025

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Brian Liebelt

Liked the process from start to end. It took a while to get permits and schedule the install but it happened fast once everything was finalized. The installer was amazing, he did the whole thing my himself in 2 days. The solar system has worked flawlessly for over a year now. The only bad thing I have to say is that I was charged extra for the slope of my roof being pitched too high they would need more safety equipment. I did not notice any safety equipment while he was installing.

7 months ago

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