1. Sunny Solar Power

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El Cajon, CA

Sunny Solar Power

4.8 (25 reviews)
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Reviews With Photos

Srinivas K.

I know Jose Lopez who owns this company since the days of Sullivan Solar, he was the lead technician for the Solar and EV charging work they did at my home and he did wonderfully great job. Running the conduits for solar and EV charging through the other side of the home was complicated. They spent almost couple of days on this work. The challenge was to reduce number of holes they needed to make. Jose worked with the team to get it installed and they did great job. The solar work his team did was great and working like a charm. Luckily I got number from Jose during the work and I always talk to him for any electrical work. This time I got recessed LED's installed changed from CFL to LED in our kitchen and the technician who came did wonderfully good job. Very professional and ethical company.

New SMA inverter
Marlon R.

I purchased this house in 2022 and it already a had existing solar panels. They were installed around 2015 two or three owner ago so the owners I purchased the house from did not have any information or documentation to provide me when I took ownership. All that I knew was that the solar panel system were paid off and that it was working. Fast forward to Aug 2025, I noticed that my inverter was not generating any power and was had an error code on the display panel. This is in the peak of summer and we were running the A/C 24/7. I reached out the original installers Calafata Construction & Electric but never received a response and was most likely no longer in Business. I searched Yelp for solar company that could provide some help. Erica from Sunny Solar Power immediately reached out to me and said she could have someone come out the same day and troubleshoot the issue. The company has very positive reviews on Yelp and decided to go with them. Jose who is the owner came out and diagnosed the problem which was a few issues: faulty inverter and MC connectors and bad cable management on the roof i.e loose cables dragging on the roof which I also verified. Jose called SMA and found out that inverter was still on the original manufacture warranty and was due to expire on 8/23/25!! Joe recommended that he submit a RMA for a new inverter before the warranty expired which end up saving me over $4K. The RMA was approved and new inverter arrived in no time! Erica also provided me the necessary documentation to purchase an extended warranty for the new inverter through SMA which I opted for the max 10 years. Joe and his team were very reliable licensed professionals that keep me updated every step of the way. They made sure customers satisfaction was their highest priority. Prices were very reasonable compared to other well known solar companies. I don't normally leave glowing reviews but I felt I had share my positive experience with Sunny Solar Power. They made a process that could potentially be very costly to something very cost effective. They have my highest recommendation!!

My 24 solar panel rack.

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14 days ago

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23 days ago

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27 days ago

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Erica C.

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4 months ago

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Erica C.

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2 months ago

Smart , efficient fair and honest group. Joe is so thorough , on time and reliable. We would recommend them to anyone.

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Erica C.

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9 months ago

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Erica C.

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10 months ago

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Erica C.

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2 months ago

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Erica C.

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1 year ago

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Erica C.

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5 months ago

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Erica C.

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3 years ago

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Erica C.

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1 year ago

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Erica C.

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1 year ago

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Erica C.

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2 years ago

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Erica C.

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10 months ago

Terrible service. No responses and no updating on process. I would have to constantly have to call them. They never responded to questions.

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1 year ago

Pricing was very fair. They really listened to what I needed, we discussed various options, and the installation was fast.

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Erica C.

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1 year ago

Exceptional work, I will use them for all my electrical needs! So easy and pleasant to work with, I highly recommend them.

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Erica C.

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1 year ago

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Erica C.

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1 year ago

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Erica C.

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3 years ago

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Erica C.

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2 years ago

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Erica C.

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3 years ago

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4 years ago

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Erica C.

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4 years ago

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5 years ago

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Ask the Community - Sunny Solar Power

Review Highlights - Sunny Solar Power

“Joe recommended that he submit a RMA for a new inverter before the warranty expired which end up saving me over $4K.”

Mentioned in 13 reviews

Read more highlights

SolarTech

SolarTech

(516 reviews)

Blossom Valley

Finding a solar company is easy. However, finding a solar company that meets your expectations and…read moreexceeds them is rare and that is what Solar Tech Energy provided us. We are extremely grateful that our Sales representative Sam Johnson was there to provide us with great service from the beginning of the project to the end. Crystal Rojas kept us informed of the scheduling, financing and what step the project was in. When installation day came, we could not have had a better crew than Francisco's crew. On the hottest day of the summer his crew installed our solar panels and Powerwall with limited power interruptions. They cleaned up before they left leaving no trace of being there. During our final inspection Eric Rojas prepped the equipment for the final inspection. His attention to detail was instrumental in passing our inspection. Great service for a great price.

I'm going to add myself to the chorus of people telling you to move on and not deal with this…read morecompany. Like many others, the service provided by this company is disappointing and far below even the most basic expectations. Ask yourself if it's worth getting a solid system only to have no one respond to emails, maybe get lucky to get a call back, have issues with your system that you were never informed of.. and on and on. My case is still open so I will update this if my concerns get addressed, but as of now, 2 stars is generous. The biggest disappointment? They can't talk to you enough until you pay them. Then you are basically ghosted. For me.. Lots of contact with sales and service until payment then no response. Installation was fine. Then someone came out weeks later and said my system wasn't working so he was fixing it. No one had bothered to tell me. The product is good, the service is honestly terrible once you pay. So I'd look somewhere else if I was shopping solar. I got burned on this one. Don't be as naive as me. Stay away.

Sunline Energy

Sunline Energy

(630 reviews)

I needed to repair my skylight after noticing moisture on an area of the wood below it. I received…read moreseveral quotes, but Sunline Energy was the only company that recommended fixing the root of the problem rather than just putting a Band-Aid on it. My skylight had been installed incorrectly by another company, which was contributing to the moisture issue. Since skylight repairs can be a relatively small job, I found that not many reputable companies were interested in doing this type of work. I was very happy to find Sunline Energy. Juan handled the skylight and related roof and flashing repairs, and I can't say enough about the quality of his work. He is a perfectionist and took the time to make sure everything was done correctly. He went above and beyond and fixed both the skylight and surrounding roof area beyond my expectations. Based on my experience and the quality of Juan's work, I would highly recommend Sunline Energy to anyone needing skylight or related roof repairs.

I do not recommend this company, I wanted to cancel my agreement because they postponed install…read moredate on more than one ocasion, they wouldn't refund my $1,000 deposit even though they were not complying with the agreement, life got busy and I could not pursue filing in small claims court but after hearing about the experience others had with the company (a nightmare), I realized losing a $1,000 was very little compared to what others experienced, not a reliable company because if they couldn't fulfil the timeline they should have offered to cancel and refund deposit, very disappointing. Adding on after Sunline Energy's response: I did not mention the following yet it is important to do so, in 2024 3 roofing companies told me that the roof was past due on repair, I had mentioned what happened with Sunline Energy in 2023 and was told that your company as well as others install on roofs that are not healthy enough and even with replacement of shingles the plywood was not thick enough to support solar panels, in other words, Sunline never mentioned something that was felt just by walking on the roof, ethics should be as important as obtaining a sale because people work hard to keep there home maintained, honesty is the best policy, I understand that the company must achieve sales but situations as so are very disturbing, Sunline Energy continues to owe us $1,000 due to a deposit for a job that never took place.

San Diego Solar Install - X2 10C Enphase Batteries installed 7/2026

San Diego Solar Install

(72 reviews)

I had my solar installed by San Diego Solar Install. Bruce was so knowledgeable and communicated…read morewith me well. He answered any of my questions even after years of installation. After the roof company mishandled my solar panels Bruce and his guys installed, he analyzed the issue and came over to adjust the system. The issue was fixed and now the system is working as before the roof replacement! Many thanks to Bruce. I definitely recommend San Diego Solar Install for anyone's solar installation.

I reached out to several companies for solar and battery quotes since I'll be under NEM 3.0, and it…read morejust made sense to include batteries as part of the system. Out of all the companies I contacted, San Diego Solar Install offered the best overall solar + battery package for the price. I initially reached out through their website and received a prompt response from Bruce, the owner. He's extremely personable, takes the time to answer every question, and genuinely addresses any concerns. He's one of the rare solar professionals who truly cares about his customers rather than just making a sale. Chad, Ian, and the rest of the installation team did a meticulous job installing both the solar panels and batteries, all within a tight timeline. The quality of their work really shows--see the attached photos for yourself. As I'm writing this at night, my home is running entirely off the Enphase batteries with zero power being pulled from the grid, which really highlights how well the system is performing. The other Yelp reviews definitely don't lie!

E Z Solar & Roofing - New roof done. Fresh paint underway.

E Z Solar & Roofing

(25 reviews)

Bostonia

***Educational and Reliable***…read more I received 4 bids from 4 companies for my parent's house for roofing solar and battery. Yash by far exceeded all expectations with a non pressure educational approach. He showed step by step installation methods, helped me understand the new laws that passed and credits for the federal ITC. EZ Solar has all 3 licenses for B General , C10 electrical and C39 roofing and they don't subcontract either. I didn't know that was a thing. Also important to note he's not a sales agent, he is certified as the battery installer and the solar project manager, with constant communication and one point of contact. He even gave me a spreadsheet to help compare companies. We are happy to report the roofing and solar with battery was installed ahead of schedule and we are extremely happy.

I thought I did my homework before hiring E Z Solar to install my solar but I have regrets I will…read morebe stuck with. I initially felt I wasn't communicated with enough but I know they were busy. I wanted my solar up and running before Dec 2025 and they did make it happen. Michael did the installation and was amazing. Here is my warning. IF they try to sell you EP Cube solar, there are two issues I am dealing with. 1. the fan turns on every morning, rain or shine at 6:15am. My battery is right outside my bedroom and wakes me up. It is how the system works and it can't and won't be changed. 2. the fan runs ALL day. It might stop for a short bit but basically it runs continually during the warm part of the day. 3. I am happy to report it is quiet at night. When I shared my experience and concerns with E Z, I was pretty much ghosted except by Max. Dealing with EP Cube support has been great. But it is what it is. AND finally, don't let them talk you out of Solar Insure - the company that will insure you system. I got amazing assistance from them while I was trying to understand the noise issue. I was "told" I didn't need it but it was the smartest thing I did. Good luck !

Semper Solaris - Semper Solaris serves the Greater San Diego area and its headquarters are in El Cajon, CA learn more at www.sempersolaris.com

Semper Solaris

(460 reviews)

Semper Solaris was a fantastic partner to work with for my new roof and solar project. Paul was a…read moregreat first impression of what Semper was all about! He was super professional and was very detailed oriented. I loved our first meeting where he presented our options and made everything very easy to understand. He was always quick to respond to any and all questions I had through out the entire process. Christian our roof lead and Cynthia our solar lead were also fantastic. Christian was great to work with when there were a few minor issues that he quickly resolved. Really felt like we received the white glove treatment end to end. Everything was so smooth from the initial consult to getting the permission to operate from SDGE. Highly recommend!

Semper Solaris literally has the worst customer service I've ever dealt with. Complete…read moreincompetence. As for other reviews I've seen, the issue is communication. Sure my solar power system works but the rest of the electrical in my house has been a mess every since the install and they are disinterested in my opinions or concerns. The only thing they are interested in is getting "off the hook" for any potential warranty claims. I strongly encourage you to go elsewhere for your solar needs. You'll regret working with them. Here's verbatim my last communication with Semper Solaris Customer Service. You may judge for yourselves: "K**** *******y, I'm at the end of my tolerance for Semper Solaris' / Semper Homes' lack of competence in customer service and support. Trust me when I tell you that I don't expect much and your business has repeatedly managed to underwhelm me and put the burden on me as a customer. The issue I've been dealing with is approaching 1-year in duration without resolution. I appreciate your team looking at the photos I provided, but when your electrician was dispatched to my residence they showed up without any warning or courtesy call. I raced home from work to let him in to see the electrical panel and he spent maybe 2 minutes on-site. His diagnosis was that perhaps the breaker needed to be changed and that would fix the problem of the circuit breaker tripping every time we used the exhaust fan above the stove. The exhaust fan worked properly from 2019 until Semper installed the solar and charger. He never returned to switch out the breaker and never called with an update on the status of my issue. Additionally, no one from Semper ever called to follow up other than an uninformed representative who asked if she could close out the "open ticket". I explained that I was still waiting for assistance and not to close it. No one ever reached out to me after this. I left at least two voicemail messages with customer service and still no one checked in with me. Today I called again and after waiting on hold for 10 minutes only to speak with an answering service which couldn't even relay my message to you because I couldn't provide a "Case Number" which I was never provided by you nor anyone else at Semper. This is your last opportunity to finally resolve this issue. I'll give you 24 hours to respond. I never write negative reviews and I'm very understanding but I'm very motivated to write a lengthy 0 star review about my horrendous experience dealing with your firm. Semper's communication outside of ****** (sales rep) has been abysmal."

Sunny Solar Power - solarinstallation - Updated October 2026

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