It's been years since Tim was over to install our original system. That's a good thing. It's been working flawlessly for almost 8 years. The Solaredge Inverter went out and TIm and his team were out very quickly to get it fixed. All in all, it took just under 2 weeks to get it all fixed. Super happy with the fast turn around and great service. He also gave me a tip on how to setup ethernet on the inverter so I don't have to pay for the monitoring, which I really appreciate. I hope I won't have to call on Tim again anytime soon, but I know if I need anything he and his team will be right there to get it done. read more

Excellent service from a to z. Highly recommend Tim and his team to do a wonderful job

You know Tim has been in the business for years because he really knew his stuff and I truly appreciate that he works with you right from the start. From initial quote to install and inspections, he's right there all along the way. We started inquiring with solar installers after getting cold called for a lease, and we quickly realized that solar would be great. After reviewing almost a dozen different proposals from companies large and small, we decided to go with Tim and OSullivan Green Solar. We have an almost Eichler style roof, which meant we didn't have an attic and needed the supports to hit the beams and it needed to be right. While we were soliciting solar quotes, many of them didn't know or didn't give us a confident answer on how they would install until we signed, and that was not going to work with us. Tim is different and that's where his experience shines through. He was able to walk through how they would install the supports so that they'd stay in place without anything coming through the shallower beams. That gave us confidence that our install would work well and we weren't going to do a system that our roof couldn't handle. Overall, Tim's quote was right in line with a lot of the other installers and we felt he was very fairly priced given his experience and insight. We've had our system running for several weeks now and it's been awesome. We ended up going with REC solar panels, Enphase, and Franklin WH - all of it easily set up and handled with Tim's help. All in all, the process was quite quick and Tim was very responsive. The longest pull was getting inspections and PGE settled, but the OSullivan team handled it all for us. Highly recommend - so much so that our neighbors down the street also went with Tim after chatting with us! read more

We had a great experience with Tim and OSullivan Green Solar. He is very responsive, very reasonable, and coordinated well with our roofers to install the solar mounts once the plywood decking went on, so then the roofers could shingle around the mounts. He was able to meet our somewhat tight deadline of installing the solar panels by the end of the year to qualify for the tax credits. And his prices were very fair and reasonable. We highly recommend him to anyone looking for solar. read more

We worked with Tim to install solar on our house. We got quotes from a few companies and found his pricing to be fair . He was great- reliable, reachable, there when he said he would be. We are very happy with the new system. Many thanks! read more

Tim was a fantastic person to work with and being a local company you can get care and quality unlike all the large vendors. Installation was quick and done with precision. Go local with solar! read more

I worked with Tim from Green solar to get my solar done. It was a very positive experience. My panel needed upgrade, multiple inspection and permits were involved. Tim and crew helped me a lot along each step, explained in simple language what was being done and what to expect. I was working with another installer previously and it was a nightmare. I am glad I found green solar. I can recommend them to anyone looking for solar installations. read more

OSullivan Green Solar - Solar installation - Solar Installation Near Me

Excellent to work with. They got everything set up and also handled the city and PGE which was a huge help in making sure everything was good to go! read more

I could not be happier with this business. It's been a few years since we had our PV system installed (I didn't realize I didn't previously write a review), but Tim has been a great partner and I'm so glad that we found him. The made the installation process smooth as silk. They took care of everything and made it so easy. Tim is incredibly friendly and helpful. I would recommend this business to anyone considering solar and/or storage. read more

O'Sullivan Green Solar did an outstanding job installing solar panels on my house. Tim and his team was professional, arriving on time and working efficiently. The quality of their workmanship was impeccable, resulting in a flawless setup. Communication was excellent, with prompt responses to my questions. Their commitment to sustainability was evident in their use of high-quality materials and cutting-edge technology. I highly recommend them for their exceptional service and expertise in transforming homes into eco-friendly havens with long-term cost savings. Honestly, I did my research and you just can't beat them. read more

Wonderful service!! The solar panels were installed and working in one day! Kudos to Tim and his efficient team! Passed city inspection on their first visit! Tim was very responsive when i had a question or concern. I definitely recommend him to anyone who needs solar panels. read more

Update: after Tim installed our solar panels in 2019, we experienced at least 4 power outages with one lasting almost 2 days. We decided to look into battery power to go with the solar panels. Based on our past experience with Tim, our call went to Tim to inquire adding the batteries. He responded quickly and after a site survey and a follow up meeting we had had a contract for the battery installation. Installers met the battery delivery truck and started in the installation right away. The installers excellent. They were very neat and answered all my questions. The installation looks great. After the installation was complete, Tim was there to bring the batteries on line and show me how to use the FranklinWH app. We are very happy with the whole battery backup installation experience. Added plus, the batteries look great at night! read more

Had them come out for an install and did well. Needed them 2 more times for electrical work and for additional panels. Never heard from him again. read more

Written February 26, 2022 --- Long over due review. My installation was in October 2021. Tim was very, very patient with all of my questions. I did a lot of research prior to contacting my roofer who installed my metal roof; and had 5 other companies provide me with bids including installation plans. All other solar panel system installers wanted to remove part of my metal roof, install a flat roof of some kind, and then mount the solar panels. Tim explained how he could install special brackets to maintain my metal roof integrity (i.e. no mounting directly on the metal roof and allowing potential leaking) that would allow mounting solar panels. Ultimately, I was able to save on NOT having to install a partial new roof. I opted for a energy management add-on. Glad I did. It helps me see what I am producing and what I am importing from PGE. Now that we are approaching spring, I am often seeing more EXPORT of energy to PGE. Even though I have an electric vehicle, I often seeing more EXPORTS than IMPORTS. Our timing estimates of "break even" (PGE savings versus total cost of system) will likely come true. Tim's crew were top notch professional who all enjoyed doing a great job. They even let them bug me with many questions during their install! Overall, I would heartily recommend that anyone interested in a solar energy system (with or without storage) to contact Tim to request a meeting & quote. read more

OSullivan Green Solar - Part of my installation. I ended up with 17 panels. - Solar Installation Near Me

I hardly write reviews but Tim and his team really deserve the 5 stars. As a relatively new homeowner, I have had my share of dealing with greedy and unethical contractors. I had collected quotes from 4 solar installers and Tim gave me the best price for LG425QAK panel + Enphase inverters. Of them, Tim was the only person to come to my home and discuss the proposal and look at the electrical setup. Whole process was quick and on schedule. I didn't have to nag or follow up. Tim stuck to his commitments and whole solar installation was finished in under 30 days. His crew was super professional and cleaned up after their work. Tim took care of the city inspection/permit and city inspector was very happy with the work. No surprises or rework. I will definitely recommend Tim to my friends and family. read more

OSullivan Green Solar - Solar Installation Near Me

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Tim OSullivan's team installed my solar panels in August 2023. He was highly recommended by a roofing company that I had reached out to. I called up Tim and he responded quickly and came by to walk through the entire process with me. I have a metal tile roof and most solar companies will not install on it, however Tim's team knows how to install on a metal tile roof and provides the warranty to back it up. After meeting with a few other solar companies, Tim stood out as the best team for the job. They are professional, friendly, timely and overall do an outstanding job. I would highly recommend Tim to anyone considering solar. Going with a local small business owner has many advantages than a larger solar company. Go with Tim! read more

OSullivan Green Solar - Solar Installation Near Me

We finally bit the bullet and installed solar panels at our home in San Jose. After gathering and preparing quotes from four different vendors, we decided to go with O'Sullivan (referred to us by a friend who had used them recently). Though they were not the cheapest option, Tim took the time to meet with us and thoroughly answer all of our questions and really make us feel comfortable with the process. I've learned over the years that a contractor you have confidence in and who communicates well with you is worth paying for. A note when comparing quotes on purchasing solar panels though: it is not apples to apples and you need to research the type of panel each is proposing. A $20k proposal using lower quality panels is not necessarily better than a $22k proposal using high quality panels. The install went much faster than I anticipated, and even though PG&E rescheduled our connection date at the last minute, Tim let us know immediately and worked to get it rescheduled ASAP. When we got our new date, everything got connected quickly and smoothly, and Tim came over one more time (accommodating our work schedules, which was awesome) to make sure we could ask any final questions and remind us what to expect on our PG&E bills in the coming months. All this while the two small children in our house were screaming and competing for attention, so thanks and apologies to him. Purchasing and installing solar panels is a huge expense, so you want to use a company you can trust. Our experience with O'Sullivan was great, and we would definitely recommend them to any of our friends and family in the area looking to make the solar leap as well. read more

Working with Tim was a great experience. We started working together a couple of months to install solar at our residence. I received multiple quotes but Tim's quote was competitive. The work is also high quality . Highly recommended read more

Tim was great to work with. Purchased a new house that had solar installed and Tim did all leg work to work with PG&E, ensure the system was approved, and ultimately activated. Rare to see such dedication and follow up for the customer, but Tim was with us each step of the way. Would highly recommend! read more

After talking with Sunrun and Sunpower about installing solar on my home I was given a referral by a friend for O'Sullivan Green Solar who I ultimately went with. After researching the equipment being quoted by each, I found that O'Sullivan Green Solar was quoting essentially state of the art panels and Microinverter at essentially the same price the others were quoting for less efficient products. Tim (owner) was extremely knowledgeable, responsive and punctual every step of the process, took the time to answer all my questions in simple terms and actually was able to complete the job in almost half the estimated time once we agreed to go forward and handled everything with zero surprises. AND I am extremely happy with the install as Tim's guys optimized the routing of all the conduit for the cleanest look and fit and even painted it to match the color of the house so no ugly silver pipes running everywhere. Looking around the neighborhood I haven't seen a cleaner install anywhere! I typically only write reviews when I've been amazingly satisfied or dissatisfied and fully give my highest satisfaction rating to Tim at O'Sullivan Green Solar. Thanks for a great experience Tim! read more

Tim was amazing to work with. He was very responsive throughout the course of our 6 month project. He and his team were meticulous with making sure everything was installed and working correctly. He took the time to explain the details and inner workings of the system to make sure I understood everything well. If I were installing another solar system, I would definitely hire Tim and his team again! read more

Tim O'Sullivan and his team are the best. We are an elderly couple and he was excellent helping us understand everything and giving us a fair price. He was also straightforward in letting us know that it would be a couple of months before he could start the job. He always kept us informed as things progressed and his team of installers were efficient and professional. We passed the city inspection with flying colors. One of the best contractors with whom we have ever worked. Jim & Bernie P. read more

Tim and his team are so awesome. They made the process smooth and easy. Solar was done and installed within 3 days of starting the work. I didn't catch the crews name who actually installed, but they were great. We went and got 3 bids and did a bunch of research before making our solar purchase. Tim seemed the most honest, I liked dealing with the owner of the company and not a representative, and he had competitive prices. We are recommending him to all our family and friends looking to get solar! read more

Tim and his team (Erik and Jesus) did an excellent job throughout the entire process of installing an 8.1kW solar panel system for my home (from sales, installation, and inspection). 1. Despite their booked calendar, they were still able to accommodate to my schedule and they finished the whole installation job in the exact timeline from our discussions. 2. Tim quoted me the best price (total price in $/Watt for the whole installation parts and labor) and using the best parts (LG R Prime 355 watt panels and Enphase IQ-7+ microinverters) compared to their competitors (most quotes I received using LG Neon 2 335 watt panels and Enphase IQ-6 microinverters); the best price quote I received elsewhere gave me the same $/Watt but using components that are not as good. 3. Tim also answers questions text/e-mail typically within 1 business day (even on weekends). 4. Knowing that I have little ones and with different napping schedules, Erik and Jesus updated me during the installation process when it would be noisy and they minimized unnecessary noise. As an electrical engineer myself, I was able to watch their work and they performed professionally, especially since I have metal shingle roof (can be damaged/dented easily if not walked on carefully). 5. The city inspector commented that they did everything correctly and did a good job. I highly recommend OSullivan Green Solar. read more

OSullivan Green Solar - All black panels for my black roof. - Solar Installation Near Me

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Tim and his team have been extremely professional and helpful during the entire process starting with giving a competitive quote to making sure everything is installed and working as expected. Tim answered every question we had and gave us very honest feedback on each and every concern that we had. Each and every person in his crew is knowledgeable and professional. In spite of personal unavoidable issues, Tim still managed to complete our installation as promised. We have already been recommending him to all our friends and will continue to do so. read more

O'Sullivan solar is nothing short of AMAZING!!! We had solar installed and what would take most companies 3-5 days to complete it took them 1 day!!! They were clean professional courteous polite and extremely personable!!!! From the electrician to installers to the owner himself each one showed care for my property as if it was their own! I had an issue with the app after the installation and the owner Tim contacted me, found out what time I was available, and made sure to show up when I was. He came and spent an hour on the phone with Enlighten to fix my issue when really I was responsible for doing that!!! I only have 1 complaint and that's that I did not PURCHASE solar earlier!!!!! read more

Recently we had solar installed by OSullivan Green Solar of Campbell.  We've looked at solar for many years but never pushed the start button until now; the panels are much more sun-efficient and cost-effective than ever before.  Even for our (relatively low) PG&E bill the payback was only five years.  Especially today, it's hard to find an investment with that kind of return. The install process was painless.  The company's electrical subcontractor, JD Energy Solutions, was top-notch in every way.  Knew the system inside out.  Our system was installed in two days, came up as advertised and has been producing every day!  For you engineer types, there is even a free app for your phone which reports on solar production.  Oh and they even painted the conduit to match our house!   Tim OSullivan is one of those people whose word means something.  He backs up his promises with results.   Rex Naden Blossom Manor, Los Gatos read more

O'Sullivan Green Solar is a fantastic locally owned solar installer and is priced competitively, especially for the high performance and high quality components they use in their systems (25 year warranty on panels and micro inverters) and top of the line customer service. Their overall process is also more flexible than other installers I contacted, which was important for my situation. We had just broken ground for an addition in February 2023, and I wanted to lock in NEM 2 (April deadline for signed contract), but the remodel project wouldn't be complete until October. That wasn't a problem for Tim (the owner), and he worked with our contractor to ensure the new parts of the house were ready for solar and he designed the system based on the plans vs requiring everything to already exist before starting the design. We had a signed contract in March, locking in NEM 2, and he gave complete flexibility for timing of the actual installation, given it was at least 6 months out. After we completed the remodel and moved in, Tim finalized the permit application in November, including walking the roof with me to discuss a few layout details. We got the permit a week or so later, and his crew installed our 8.5 kW system in early December over 1.5 days. First class all around and I've been recommending him to everyone who asks! read more

Tim and team recently put in a solar system for us , system was installed and up and running in a day, ahead of schedule. Tim made the whole process easy , what I liked best was Tim explained the whole process , helped Guide us through what size system was best for us now and future EV use , turns out EV's use a lot of electricity, O Sullivan Solar we're easily one of the best contractors we have worked with and we will be recommending them to everyone Mary and Sean A happy solar household Redwood city read more

Tim's team just wrapped up their work this week on the solar install -- I'm completely impressed with their professionalism, responsiveness and care throughout the entire process and fully recommend them to anyone looking to get solar installed prior to the decrease in federal tax benefit next year. When I contacted Tim, it was through a roofer's referral. I had already installed solar with a different company at a previous residence -- and they had done a good job so I thought it would be tough to beat the bid I had with them. Tim came out on 5/9, and provided me with a proposal and came in at a lower cost ~10%. He answered all of my questions, and we agreed on terms and a TBD install date based on my roofing install date. The roofing install date changed a couple of times, and Tim was able to accommodate this within his scheduling. They were out about a week after the roof install was complete, and the install was done in a day on a new stone coated steel roof. Tim's team was professional and clean -- they got their work done quickly and my 5kW system was installed in a day. When I came home, the driveway was completely clean and there was no evidence that they were there, except for the new solar monitoring equipment and panels up on the roof. Fast forward to today and the city inspector has signed off. Tim himself came out to the property to make sure the inspection went well, and he even waited for me to arrive home so that he could get the paperwork into PG&E that same day. We are awaiting final PG&E connection, but Tim has been super responsive to answer any questions, plus I found him to be a nice person to deal with throughout the process. Fully recommend if you need solar to give Tim a call. Thanks so much, Tim! read more

Our experience with O'Sullivan Green Solar could not have been any better! Working with Tim through the initial consultation, set up, installation, permitting, and even electrical upgrades was a pleasure. Tim and his entire team were extremely professional, friendly and always quick to respond to any of our questions or concerns. We really appreciated the way Tim kept us updated as to the exact scheduling of all the permitting, installation and inspections. The communication was just superb. We've since had several other jobs done on our house and each time we comment on how we wish they would keep us as informed as Tim and his team. As was the case of another reviewer, part of our project involved replacing our old electrical panel, and his electrician that did the electrical panel replacement was very competent, did an excellent job, and for a great price. Once the job was done, and all the inspections completed, Tim continued to check in on us to make sure everything was OK, and also followed up to make sure we received all of our rebates in a timely manner. Overall, it was a great experience working with Tim and I would strongly recommend anyone looking to go solar, to consider OSullivan Solar. read more

We selected O'Sullivan for our roof solar panels after Tim O'Sullivan explained his product and reviewed our usage. We liked his responses to all our concerns. We negotiated a very reasonable price and like dealing with a strong, local company. Tim installed the panels when he said he would and spent whatever time we needed to understand the ongoing metering process with PG&E. We highly recommend O'Sullivan Solar. read more

O'Sullivan Green Solar offers: Competitive prices, timely communications, friendly and knowledgeable staff, leaving everything neat and clean. They offered a full run-through of the system after installation. I would not hesitate to recommend Tim and the staff to anyone who is looking for Solar! read more

OSullivan Green Solar - Solar Installation Near Me

We just had Solar Installed. It looks Amazing! O'Sullivan Green Solar was great to work with. They answered all our questions and started the project on time, and they finished when they said they would. It was so easy and we love it! I would highly recommend them. read more

OSullivan Green Solar - Solar Installation Near Me

It is a challenge to navigate the crowded solar provider/installer market. We had already talked to one company, but it became clear that we would move forward with OSullivan Solar after sitting down with Tim. He makes the process very transparent and manages all of the interaction with the city as well as the power provider. I can't imagine having a better experience than I have with this installation. Thanks Tim! read more

We have been looking for the right deal and equipment that met all our requirements. We wanted quality with a cost that was under our current average electric bill. We want to own it and pay it off in 10 years or less. Tim was about the 8th company we spoke to. The cost was less, it was simple. No additional maintenance contracts or extra equipment we didn't need. He knew the competition and could explain the differences. We finally moved forward. The install was a week ahead of schedule and handled without us being there. Very pleased with the low pressure sales and seamless install. Very happy customers. read more

Finding a solar contractor has been such a headache. I was pretty much set to go with a competing company that sells through Costco, when I realized their markup was astronomical. Besides, they would not install on the metal tile roof I wanted to install (they only support composite) and had massive layoffs during COVID so I was being passed around from rep to rep. Then I got a quote from Tim at OSullivan Green Solar and talked to the guy. What a difference... A salesman who is not trying to upsell you on everything. His entire system design is based not on the sexiest and newest technology and all the bells and whistles, but on maximizing your ROI. That is so refreshing. Tim described the entire process, the reasoning behind the type of equipment he recommended for my site, and came up with a great system that was about the same capacity as what the other vendor was offering -- but for considerably less money. Installation took place exactly on schedule, Tim took care of all the permitting and inspections, and they even finished installing a little early. No surprises, competitive prices, great communication and timeliness: I'm very happy with this install, from the initial contact with the company to install completion it has been an easy, stress free experience and thanks to Tim's careful design it looks like my breakeven point is less than 5 years away, so this was a complete no brainer. Very very happy with OSullivan Green Solar. Great job, great prices, super responsive and very friendly, I'm so glad I ditched that other company and went with them. i saved so much money and got a better system. Thanks so much Tim! read more

We have wanted to go solar since moving into our new home, but never pulled the trigger due to cost and perceived complexity. Tim was incredibly transparent, open and honest during the entire process. He took time to meet at our home, answer our questions, and go through the pros and cons of each decision we needed to make. Installation was quick and his crew was incredibly great to work with. They also handled all the permits and coordination with PGE. Highly recommend O'Sullivan to anybody considering solar. read more

The Best solar company! They were prompt, courteous and answered all of our questions. We met with at least seven other companies before deciding to go with them & they didn't disappoint. If you're thinking of changing to solar, I suggest you give them a call. read more

We had such a great experience working with Tim last year! We met with several different solar companies and felt the most comfortable with Tim. He was very patient about explaining all details and answered my husbands many technical questions. The company worked closely with our roofers (we replaced our roof at the same time) to coordinate everything seamlessly, took care of all the permits and worked with PGE to get everything connected and set up. We are now reaping the benefits of solar... AC has been running non stop and our electricity bill is only $10 for the standard PGE fee! read more