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    Green Hill Solar

    4.8 (26 reviews)
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    Services - Green Hill Solar

    Add to existing system

    Add solar panels

    Add solar shingles on roof

    5 More Services

    Solar system installation

    Solar rooftop panel installation

    Solar shingle installation

    Solar system maintenance

    Solar system repair

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    Recommended Reviews - Green Hill Solar

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    David A.

    Green hill Solar did the solar system at my house. I'm very happy with the result, it was a great experience, from the beginning to the end. Office was very responsive and very professional for any questions. I will use them again.

    Aviel B.

    I contacted Green Hill Solar and they came to inspect my roof right away, within a day I got full email with an estimate explaining what i get. I decided to go with them. Installation day came up very quickly and the crew to install with extremely professional. Office always responded to emails and calls with questions I had. We passed final inspection on 1st shot and we are extremely happy. Price, service, professional, availability all get 5 stars.

    Halfway there!
    Gino S.

    Super happy to support a local business. They were/are very responsive and the prices seemed fair market prices. From initial call to estimate to install took a matter of weeks. They were informative and attentive to the project. Which is hard to come by in the solar space right now.

    This hole was left uncovered in our roof for who knows how long while we were away on a trip and discovered upon our return.
    Ian B.

    I strongly recommend avoiding Green Hill Solar at all costs as our experience with this company has been one of the worst experiences we've ever had with a contractor. This company is a total nightmare to deal with. They will seem slick at first assuring customers that they are professional and will do a great job for a great price even offering us a veteran's discount but then you slowly begin to learn that they don't communicate well, if at all, and will stick you with the extra costs for permits which we thought were supposed to be covered by the contract price and which can be substantial with one night's notice to come up with over $1,060 for city permit fees. I contacted Green Hill Solar in March of 2023 to have our roof replaced and have 22 Qpeak Duo L365 solar panels installed along with some minor electrical upgrades (grounding, panel move, amp upgrade) to our home which we were told were needed for the solar panels. Nearly 5 months after initially agreeing to the project they are still not completely finished, and we've not seen a penny in savings from SoCal Edison (SCE) yet though we're told that the SCE Permission To Operate (PTO) will happen any time now... We're still waiting for stucco and paint repairs to the exterior of our home where the 3 different electricians they sub-contracted botched the installation of a new electrical panel. Getting information from this company and having them actually show up and do the work you paid them to do is a chore, let me assure you. They get half of the loan payment up front and you're required to give them the other half when it's finished. I highly advise that you do not give the remaining balance due until the contractor is completely finished and they've done the final walk-through. Green Hill Solar subcontracted our roof project to a roofing company which was taking too long to agree on a project completion date so after complaining about how long it was taking to begin the project they told us they found a better roofer for us: R A A Construction Group. If you also opt to get your roof re-done with a solar company, make sure you look at the city permit and ensure it is not this company. I later looked them up on the CA state contractor license board and discovered they had multiple violations against them. They had one roofer up on our roof for nearly two weeks all by himself in triple-digit temperatures in July. The roofer initially said they would need to get a crane to come and lift our brand-new HVAC system off the roof so that they could replace underneath the HVAC. Later on I asked them about why they hadn't had the crane come with our HVAC company and they told us they didn't need to lift it and instead found that it was "good" enough to be left as is. Hmm. Not a good sign. Not unusual for roofers to work in the heat of July in CA but the roofing company owner whom I later spoke to because he came to our house said he had some personnel problems during that time of our roof repair. The one worker appears to have done a decent job but time will tell how well the roof holds up. There were debris and roofing nails left all over our property which we've been cleaning up for weeks. I even had to purchase a magnetic rake from Harbor Freight to find as many of the nails as I could. The first flat tire we get we'll be invoicing Green Hill Solar. The roofer also failed to provide a copy of the written contract before work began which is a violation of the contractor state license board #7159.D. We came back from a trip and found that the roofer left a giant hole in our roof uncovered that animals could easily get into our attic through. They used our new HVAC as a tool rack for their tools. Oh, I shouldn't forget to add that the roofers disconnected our HVAC condensation piping during the roof renovation and didn't reconnect it so when we tried to turn on our HVAC during triple-digit temperatures, condensation started leaking down into our house from the unshingled roof. I am still considering invoicing Green Hill Solar for the damage that was caused. My wife needs to have air conditioning during the summer months for her heart condition, so it wasn't just a comfort thing for our family. Green Hill Solar did offer to put us up in a hotel which was nice but we had just returned from a trip and wanted to be in our house and comfortable. Green Hill Solar has terrible customer service, something they actually admitted to me in a text message which I still have and will post if I need to. I can't even begin to tell you how many inappropriate text messages and emails I've had to exchange with these clowns to get them to do the work they promised to do. Run for the hills, but not the Green Hill Solar company. Find a better company. Learn from our experience. The contract forces arbitration, find a company that you can sue like they should be after treating customers this way. We're exploring hiring an attorney of our own to go after Green Hill Solar.

    We have 32 panels this is just some of the panels.....
    Valerie G.

    Adding solar to my home has been the best investment. This past summer my highest SCE bill was $795.00, That was crazy. My current SCE bill is -$45.00. We had a new roof put on first to make sure a few years down the road we wouldn't have to do so. Green Hill Solar took good care of me.

    Job done

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    Highly recommend this business-from installation to maintenance-they are customer centric and reasonably priced.

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    David M.

    Thank you Arthur , happy holidays.

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    7 years ago

    Great company and people!!! Very professional and fast!!! My solar system works perfectly and saving me tons of money!!!

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    Review Highlights - Green Hill Solar

     Simon was very responsive to my needs for a quick turn-around on initial consultation for solar for our home.

    Mentioned in 10 reviews

    Read more highlights

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    California Solar and Electric. CS&E is simply the best. Call Mark Howe. Honest, reliable,…read moreprofessional, skilled and highly competitive. Best warranty and quality materials and labor. 949 637-9108. They are out of Santa Clarita. We are so happy and satisfied with our system and our bills have gone from $300 plus a month to less than $40 a month. Also when the power has gone out in our neighborhood the battery backup has saved the day. Stellar value, workmanship, professionalism and service plus a 25 year warranty. Highly recommended

    Within an hour of posting my initial review regarding a delayed referral bonus, the owner…read morepersonally reached out, apologized for the administrative oversight, and sent the $500 immediately. I really appreciate the direct accountability and quick resolution. I'm leaving my original review below for transparency, but their prompt response today restored my confidence in their management. I originally had a positive experience with California Solar Electric during my 10.12 kW solar and Powerwall 3 installation last year. Unfortunately, their post-install customer support and business ethics are nonexistent. I referred a friend who completed their installation months ago. I was explicitly promised a $500 referral bonus for this. After months of waiting, I tried following up multiple times privately to give them a chance to make it right, but I am now being completely ignored. It's a shame because I have several neighbors here in Fountain Valley who are currently shopping around for solar and battery storage. I was planning to refer them here, but I cannot recommend a company that fails to honor its own written agreements and ducks communication. Buyer beware: the installation team does good work, but do not trust a word management says about referral incentives or post-sale promises. Still waiting for my $500.

    NRG Clean Power

    NRG Clean Power

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    The long enduring process was reassuring when we decided to go with NRG Power. I was shopping and…read moretalking to several solar companies (5-8) to get proposal for our home project. We started the process around May 2025. I had the opportunity to speak with different people for each stage and they were all friendly and answered all my questions. They followed up and explained each step of the way especially with permits for our city and other paperwork for the state of California. Each stage had a smooth transition due to the communication and app used to show where the stage was. For installation, all staff and subcontractor of installation was so knowledgable and helpful. They were there with each inspection and permit required through fire department, city and utility company. The process for regulations of being updated and new and the complexity of communicating and coordinating was clear. All passed and I love my solar panels, storage battery backup powerwall, all thanks to NRG Clean Power. The proposal was thorough and pricing matched to the end of the project. Thank you so much, NRG Power staff for providing superb customer support through a long tedious process for permits, inspections and installation.

    Had issues with my solar panels not being turned on not communicating data. Jonathan provided…read moreexceptional customer service guiding me through the process. He took over an hour on the phone with me and was patient/kind in explaining how to trouble shoot the issue. After the hour the panels were back up and I was ready to view the panels from the app. He even went out of his way to monitor my system for 24 hours to ensure everything was working well and reached out the next day. I am very grateful he's the one that picked up the phone. Thanks Jonathan!

    OneSun

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    TL;DR: Rose is incredible. Honest, patient, actually knows solar and is not just a salesperson. She…read morewill answer every single question you may have and follows up. Has a professional installation crew and executes flawlessly and everything stays on track. Incredible follow-up and will not try to upsell you like other installers. If you're looking to install solar, you should absolutely go with OneSun. Give Rose a call to at least get a consultation and I'm sure your interaction will immediately stand out from other installers. Installing solar is something I kept putting off. When I found out that the tax credit would be going away at the end of 2025, I realized I couldn't put it off any longer. One of the reasons I kept waiting was how annoying solar reps were. Clearly just sales guys who didn't actually know anything about the equipment, technology, and process. 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There had been some kind of manufacturing issue and those panel would not be coming back in stock for another couple of months which could push the project out to the following year. Rose let me know she could acquire slightly larger panels for the project and install it on schedule. I was about to ask what the additional cost for the larger panels would be, but before I was able to, she let me know that there would be no additional cost to me. I'm sure any other installer would have used the situation as leverage to add additional cost to the project. A testament to Rose's commitment to her customers. On installation day, the crew was professional and efficient. They completed everything in one day and made sure to keep everything as clean and organized as possible. Towards the end of the install, I had noticed that they ran one of the grounding wires out from the attic and down the face of the house where I had planned on completing another project in the near future. 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    When I first contemplated getting solar panels for our house, the entire process looked daunting. I…read moredidn't know anything about the technology or equipment and I felt ill prepared to make any decisions about what our house needed. There are so many companies out there, it's hard to know who to trust. As soon as I did a few online searches, I was flooded with emails and texts from multiple companies with high pressure sales pitches. One company charged me $350 to do a site survey, just to get a quote for the project, then came back with a revised quote adding $7000 to dig a trench for electrical wiring due to "the location" of our electrical panel. I found OneSun on a yelp search and as soon as I spoke with Rose Avakian, I knew my search was over. This company stands out from the others. There was no sales pitch, pressure, or upsell. Rose explained the technology and equipment in a way that made it understandable and approachable. When her team came to look at our place, they found no need to dig a trench and simply connected to our existing electrical panel. Had they needed to dig a trench, the price they quoted was nowhere near $7000.  From start to finish, the entire experience was transparent, seamless, professional and expedient. The attention to detail and care the team put into making sure everything was done right far exceeded my expectations. If you're looking to go solar, look no further than Rose and OneSun. This is truly the best company I've ever worked with!

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    I originally left a 1-star review after experiencing several issues with my solar installation,…read moreincluding incorrect wiring, broken roof tiles that led to a roof leak, and interior ceiling damage from water intrusion. At the time, I was also paying both my solar payment and an SCE electric bill, so my electricity costs had actually increased. After seeing my review, Silverline Solar reached out and took ownership of the issues. They corrected the wiring, repaired the damaged roof tiles, and fixed the interior ceiling damage caused by the leak. They also credited me for the electricity I paid to SCE during the past 10 months while the system issues were being resolved. Now that I'm about 10 months in, it looks like my electricity bill may end up around $0, which is what I originally expected when going solar. While the installation wasn't done right the first time, I genuinely appreciate that Silverline Solar stood by their work, owned the mistakes, and made things right. Their willingness to address the problems and follow through gave me confidence in their service. Because of that, I would recommend them. Please reach out if you have any questions. I'm happy to share my experience.

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    I'd highly recommend Solar Optimum and Roofing Optimum…read more We've had our solar system from Solar Optimum for more than 10 years, and our experience is a great example of why choosing the right company from the beginning matters. They installed a high-quality system that has performed extremely well over the years. At one point, both of our inverters experienced a manufacturer-related issue. In fact, Solar Optimum identified the problem before we even realized something was wrong. They worked directly with the manufacturer to secure a replacement inverter at no cost and handled the installation quickly and professionally. When it came time to replace our roof, we didn't hesitate to reach out to Solar Optimum again. Their GAF Master Elite certification and the advantages of having the same company manage both the solar and roofing work provided tremendous peace of mind. The warranty benefits are excellent, and the roofing warranty is transferable, which adds real value and is something many roofing companies do not offer. We recently completed a full solar removal, reroof, and solar reinstallation project with the Optimum team, and we couldn't be happier with the outcome. The entire project was completed in about a week, exactly in line with the schedule that was provided at the start. The crews showed up on time, worked hard, communicated well, and cleaned up thoroughly at the end of each day despite the significant amount of work involved. From start to finish, the process was smooth, professional, and well-managed. It's rare to find a company that delivers this level of service over a relationship spanning more than a decade. We couldn't be more pleased and highly recommend Solar Optimum and Roofing Optimum.

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    Green Hill Solar - solarinstallation - Updated July 2026

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