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    Powerfull Solar

    4.8 (26 reviews)
    Closed 8:00 am - 6:00 pm

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    Services - Powerfull Solar

    Add to existing system

    Add solar panels

    Add solar panels on roof

    6 More Services

    Add solar shingles on roof

    Solar system installation

    Solar rooftop panel installation

    Solar shingle installation

    Solar system maintenance

    Solar system repair

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    Recommended Reviews - Powerfull Solar

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    Solar panels
    Judd A.

    Absolutely incredible customer service and work. I could not recommend a company more. From the initial consult, to keeping contact with me consistently during the process to the incredibly prompt and efficient work - it was all a breath of fresh air. This is not a company that gets the job done when they get around to it. They tell you when it's going to happen and what's going to happen and it happens. The value of the service was very competitively priced and I am so happy that my family used powerful as opposed to anyone else. The work was top notch and the services requested were all performed. If anyone asks where to go for solar - I'm telling them to go to Powerfull. A+ in every aspect. They even fixed roofing issues that another contractor had created. If you are thinking solar - call Powerfull!

    Kamil W.

    Eitai and his team were the most professional, organized, and efficient crew I have ever worked with for any home project. First, communication with Eitai throughout the whole process felt effortless. Second, not only did they follow through with everything they promised, but also made the extra effort to stay on top of communications when the utility was unresponsive, and facilitated resolution of an independent open permit that we discovered was holding up final permission to operate. In other words, Eitai was a stellar project manager. As for the crew on the day of install, they showed up on time, checked each others work throughout the install to ensure everything looked good, and were done in less than a full day. Two days after install we were hit by a series of big rainstorms, and there was not a single issue anywhere with the roof. I would very highly recommend this team for a smooth solar install or any electrical work. As a final cherry on top, I had a good friend that committed to a contract with a large solar installer on the same day as I signed with Powerfull. I have now been generating my own electricity for a week, whereas my friend is navigating calls through a hierarchy of managers because they changed the original panel layout during installation without first asking for his approval. I couldn't be more stoked that I trusted this team!

    7.2 kwh system.

    It was a genuine pleasure working with Eitai and Powerfull Solar. From the first meeting I could tell he knew what he was talking about, and committed to earning my business. I gathered a number of quotes from a variety of companies - "big box" types, smaller mom and pop outfits, everything in between -- and what I liked about Eitai from the get-go was that not only was he the person presenting the proposal, but he would be the project manager too and on-site during install. And going even further, his parents own the parent company (Powerfull Electric), so you can tell Eitai is heavily invested in the success of their solar offshoot. The pricing was also competitive, and he was even willing to work with me on the price when I had some other similar offers. I did a lot of research on solar technology, and they use top-of-line tech, which is an important consideration for something you want to last decades. As an example, virtually all the quotes I got use Enphase microinterverters, but a number were using older generation "cheaper" models. Eitai doesn't cut corners on the tech, which you can't say for every solar company out there. And yet his quote was still one of the lowest I came across! So you can be confident you will get a lot for your money. I found him to be highly professional and an excellent communicator every step of the way, and flexible with scheduling. He was able to work around my schedule seamlessly from initial inspection through install. My family and I were at Disneyland while he did the install in fact, with my father-in-law checking in, and he was impressed with the quality of the work and how efficient his team was. The whole install took less than a day! Nothing like getting pictures of your completed solar project while waiting in line for Small World. He also knows how to work with the utility companies. My utility is LADWP, and let's just say they made the process very... difficult. At one point the rep literally admitted to making up part of the electrical code, so needless to say the permission to operate portion after install was a headache. But Eitai was able to jump over their hoops, one by one (even though at one point he had to get a completely different rep that wasn't such a pain), and we got the approval. Once that happened, he even drove to my house on a Saturday to get the monitoring system fully commissioned so we could track our production from our phones. Now I have a beautiful 7.2 kwh system (18 x QCell 400w panels, IQ8M microinterverters), taking advantage of all this sunlight we get. I haven't received my first full utility bill yet since the install, but I can already tell based on production we will be zero'd out, so that's a pretty good feeling. I still recommend getting multiple quotes for this project, but I think you will find -- Eitai is your guy!

    Solar Panels
    Brandon P.

    My wife and I were looking to get solar and we had talked to quite a few companies and getting estimates. Powerfull Solar, Inc. had come by and we decided to set up a consultation. We then met with Eitai and not only was he very professional, he was also very knowledgeable and answered all of our questions and some we didn't even think about ourselves. The plan he came up with worked perfectly for the space we had and the price was the best of all the other companies. When it came to the installation it was done in 1 day and Eitai was there most of the time making sure everything was going according to plan. They did a great job and would definitely recommend anyone to work with them.

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    2 years ago

    Eitai is a true rock star and pioneer of the Solar Industry. His team is world-class. They are all highly professional and responsive.

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    2 years ago

    Responsive. Professional and demonstrated respect for the client and takes time to ensure he understands your project.

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    Ask the Community - Powerfull Solar

    Review Highlights - Powerfull Solar

    Eitai kept us informed throughout the entire process and was quick to respond to any questions as they arose.

    Mentioned in 17 reviews

    Read more highlights

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    Mother Nature Solar - Rooftop solar on Spanish tiles

    Mother Nature Solar

    (1 review)

    Hyde Park

    Mark Davis is amazing. Without us even having a contract, he saved me from getting taken advantage…read moreof by several other companies, and even helped prep me to get money back from Sunrun, the solar company that really messed up my roof nine years ago. Mark did research, crunched numbers, reviewed my utility bills, my contract with Sunrun, and the fine print of my electrical deal with LADWP, and even stayed on facetime with me while we looked at my solar panels. He really took the time and energy to figure out what my actual system was, and what my needs were, and what would actually work for me. Few people in any industry have taken the time, energy, care, and provided me with the respect and given me the wisdom that Mark Davis shared with me. I cannot recommend him and Mother Nature Solar more enthusiastically. You will be delighted. I interviewed eight different solar companies - no one even comes close.

    From the owner: Go to Yelp Santa Rosa Mother Nature Solar for more reviews. The best materials at the lowest prices…read morewith the longest warranties. We're one of the oldest solar installers in California, since 2011. REC solar panels, Enphase inverters and batteries, Tesla Powerwall 3 batteries. The utilities will NOT let you get rid of your entire electric bill with a solar PV system. They will buy back your unused solar for 8 cents a kwh, but on the solar billing rate that they put you on, they raise the rates you buy from them! So, essentially, they get your unused solar production for free. We've calculated the bottom line of who gets what from your solar production from PGE at 52% solar used at your home, 48% solar the utility gets for free. Utilities are crooks. So, in order to reduce your bill to the minimum grid charge of $20-$30, you'll need to get a battery or two. The payback on solar PV is generally 4.5 years for a medium sized system, so it's still a great deal, even though you only reduce 52% or so of your bill. Payback on solar PV + batteries is anywhere from 4.8 to 5.5 years. The Tesla Powerwall 3 plus PV systems are by far the best value and the best looking, as there are only 2 components to add, as the Enphase systems are 6 to nine components on your wall and take up a large amount of wall space. Besides our low prices, we have group discounts too. $.05 per watt off for two installs $.10 per watt off for three or more installs for each customer.

    Powerfull Solar - solarinstallation - Updated May 2026

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