Energy Service Partners (ESP)

Verified profile
Updated: 11 September 2025
Installer

Installing solar since 2015

Energy Service Partners (ESP) logo

2.68 from 168 Reviews

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A score we give a solar company out of 100 based on 0 criteria that our SolarReviews industry experts believe are the best criteria to separate good and bad solar companies.

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Energy Service Partners (ESP) reviews


Breakdown of consumer reviews

Sales Process

3.5

Price as quoted

3.6

On schedule

2.9

Installation quality

3.3

After sales support

2.7

Latest good review thumbs up

Jeff H | Costa Mesa, California | 10/03/2025

Install as expected

insulation was smooth, quick with no issues. Installer was great, clean timely, and communicated through throughout the process. The one suggestion I may have, is understanding the process between completion of installation and getting your permit to operate with the utility. Other than that installation and usage is as expected.. great work.

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Latest bad review thumbs down

Christina | Acton, California | 08/07/2025

FUCKING SHIT SHOW!! RUN RUN RUN!!

This has been the biggest effing nightmare I have ever had to go through. It has been almost a year and we still don’t have the solar system up and running. They send out different people who don’t bring the right tools then they have to send other people who don’t know what’s going on because one person doesn’t talk to the other person they constantly have turnover in their office and in the field Our system is not been hooked up properly. LA county is calling out the generator hook up, which I specifically stated was my biggest concern. I wanted to have our generator still accessible to run our house the way they hooked it up LA county inspector is calling it out and said that they could just remove it entirely, which is a problem because we have our electricity turned off all the time in my area for days at a time! The back up batteries will only last for so many hours. My sales person who was referred to me by a friend has basically threw his hands in the air and apologize and said there’s nothing he can do so he doesn’t contact me anymore. He swore he would be there through the entire thing to help us out from beginning to end. This has been a nightmare.

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ARMINTASOLAR2025 | Reseda, California | 09/11/2025

solar

no comments

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Reyna | Palmdale, California | 08/28/2025

Communication

Communication has been great. They have been able to answer my questions when I need clarity in regards to the contract or the system it self. They have kept providing me support even after the system has been installed.

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1 comment >
Reply from Energy Service Partners (ESP): Thank you so much Reyna! We appreciate your kind words and will always be happy to help if you need it.

Joomi V | Valley Village, California | 08/27/2025

Gaylar Dempsy is one of the best customer service managers. She has been my contact person for our roofing installation and it's warranty. I can't be more pleased. First of all, she is very accessible to contact with. Second, I didn't have to repeat my inquiries. She has knowledges and experiences to provide the solutions without delay. She always makes sure that I am satisfied with her assistance. I think she is a great asset to the company.

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1 comment >
Reply from Energy Service Partners (ESP): Thank you so much Joomi! Gayla is definitely one of our many rockstars on the team and we're always thankful for a kind review about the people and process here.

Hector venegas/idele padilla | Stockton, California | 07/23/2025

Una compañia mentirosa no los contraten

Ya hace mas de un año que estoy peleando que remuevan lo paneles por que no inslaron lo que me ofresieron , y cada que les digo que ya no quiero la instalasion mandan a otro persona diferente a convencerme son una compañia mentirosa y no profesionales aparte de que cometen sus errores quieren que se los paguemos

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DO NOT INSTALL | San Diego, California | 07/08/2025

The worst company ever!

The worst company ever. DO NOT get involved with this company! They will do things behind the homeowner, they will notify the financial company saying the project is done when the project is still pending. So you will get charged for multiple fee. and took them 3 months to reply one message. They scheduled the technician, and no show for 3 consecutive appointments. I would like to give zero star. Christian David is my salesman, and I want to report him so bad!

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Arie | Olivehurst, California | 06/20/2025

Terrible customer service, company does not take responsibility for faulty installs or equipment. Managers are rude. We’ve had someone come out system stopped working 10 days later. They will not come out and remove the unit. Kay one of the supervisors in customer service is the worse we’ve talk to so far!

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Chan Waung | El Dorado Hills, California | 05/08/2025

You will regret going with them

This company does not employee any sales people and only contracts out everything The reason for it, it does not make them liable for anything that’s being sold or said. All they are is the installer and once the panels are installed they could care less because they will get paid one way or another. The customer is left there to suffer. Both the sales rep and the homeowner can not get thru to some one for help. I had 3 different subs do my project and it started in May of 2024 and it didn’t end until April 2025. I understand the sales guy need s to make money to put food on the table. He showed me not only did they not pay him but took his hard earned money from there mistake. Please if you are reading this look away. They could care less about the homeowner and sales rep. When that happens you’re left with no support from the company or the sales rep.

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1 comment >
Reply from Energy Service Partners (ESP): Chan, we're sorry to hear you feel this way. While we would love to assist you in getting to the bottom of the issue, we're unable to locate a project in our system under your name or matching the details you provided here. We also can't find any sales representatives associated with partners in our systems. If you have concerns with a specific project, we encourage you to reach out to our Support teams with the primary homeowner's contact information so we can take action appropriately. We are here to help!

rorey walker | Grand Terrace, California | 04/11/2025

horrible customer service

Started my project October 2024, currently still not complete. Absolutely no communication i ALWAYS have to initiate the conversation to get updates. I have been passed along to 3 different "project managers". I took time off work so the installers could "commission" the system. No one showed up. When i called my project manager he didnt even know they were scheduled for that day(even though he set it up). Turns out that even if they showed up that day, SCE never gave them permission to operate due to their billing plan documentation not being in order. Im in the process of canceling my lease. Stay away from this company!!!

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Amitch70 | Vacaville, California | 04/01/2025

Absolutely NO Communication

4 months later after being told everything should take no more than 3 to 4 weeks, we finally got our solar turned back on. Someone shows up out of the blue and luckily someone was home. He turned on the solar and while walking to his car says we just need to connect it to Wi-Fi, jumps in his vehicle and leaves, without giving the chance to ask questions. NO ONE has explained anything about the system, how to connect it to Wi-Fi or anything at all. There has been absolutely zero communication about the system, even during install. I tried using the app to connect the system to my account, but the box looks nothing like what the app says it should look like, there is supposed to be a toggle switch on the outside of the box, but there's not one, there also supposed to be a light on the panel to let you know if it is on or not and there's not one. I do not recommend this company for anything. They are filled with excuses and do not have your best interest in mind. If I could give zero stars, I certainly would!

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Branscom | Tulare, California | 03/20/2025

Ruined my panels

We have had several issues with ESP. Since last year (2024). Panels worked fine before ESP installed their batteries. We just wanted to add battery backup. Batteries added now our Solar panels no longer work. Smart asses state their batteries work. Well no shit it's coming from the grid. Worst experience we've ever had.

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1 comment >
Reply from Energy Service Partners (ESP): We're sorry for any inconvenience. When we first installed your new battery, unfortunately we discovered that the existing solar from the previous company was not installed up to code, and so we have had to work to address the improper wiring prior to activating your new battery. We are not finished with your battery project yet and expect to be able to visit this week to coordinate next steps. Rest assured we always want to leave everything better than we found it and we appreciate your patience and understanding in the meantime.

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Service types


Residential solar - Grid tied

About Energy Service Partners (ESP)


Established by experts with more than 25 years of experience, we're proud to be the loyal ally your sales organization needs. We used the word "Partners" in our name because we're committed to doing our part and making your business successful. Always aware of the importance of the customer experience and quality installation, we cover every step and make sure your customers are pleased. All you have to do is sell the solar power system, we take care of the rest. By providing unbeatable customer service, cycle times, and craftsmanship, we protect your business' reputation and make sure you'll be thriving for years to come. We handle everything from initial design and engineering to city inspections and installation. We create an incredible experience that gives your customers every reason to recommend you to their community. Get in touch with us for installations in California. Serving all of California, we're the solar installers you've been looking for. Switch from your current installer and let us show you the ESP difference.

Office locations


Select state

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California - Torrance

970 W 190th St #302, Torrance CA, 90502

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Texas - Farmers Branch

3214 Belt Line Rd Unit 450, Farmers Branch TX, 75234

Certifications


Better Business Bureau

Licenses


CA – CSLB: 619149. NV – NSCB: 0033296

Contact Energy Service Partners (ESP)


Location pin
Head Office
970 W 190th St #302, Torrance CA, 90502