Nexus Energy Systems

Solar energy company · San Jose, CA

What the listing shows you

4.4★

76 Google reviews

What it doesn’t

10%

rated 1–2★

typical in California, 1%

Newest review held

Jul 2026

newest held review last month

Google's rating breakdown · all 72 reviews

Rated 1–2★: 10%; typical in California, 1%
Posted an update: —; we saw no owner post, which is not the same as none existing
Replies to reviewers: 54%; of the 26 reviews we hold

Its one and two star share is 9 points above the typical installer in California. Across California, 439 of the 1,529 installers whose breakdown Google has published carry a higher share than this one.

The percentages are Google’s own arithmetic over every review it holds, not a sample we assembled. Separately we hold 26 review texts for this company, quoted below. Google publishes review ages rather than dates, so every date here is approximate.

Every company we hold in California, on one axis

48%

13%

10%

13%

15%

none

1–5%

6–10%

11–20%

over 20%

Every company we hold in California whose Google breakdown has been read, grouped by their share of one and two star reviews. Nexus Energy Systems is in the highlighted group.

What reviewers said

1★ · around August 2023
Don't use! From Jessica to Alex and Chris. Screwed over, fast talking, switched out panels many many times. Broke 600$ breakers in fuse box . misleading on taxes and rebates/money back. They was told every time I spoke to them keep under 60,000.00 .. by the end of project 180,000.00 not even hooked up to backup batters. I signed one time to have credit ran. Had conversations with Jessica about loan. First got loan from university credit union for 50,000.00! After 2 months got bill from new company saying I owe 122,000. So come to find out they took not one but 3 loans out ! Don't do business w
1★ · around August 2023
On 5/24 your company had a truck in Redding, California and was wanting to go almost 70mph trying to swerve and pass cars in a construction zone with workers currently on the job!! They could have killed someone going that fast!!! It’s absolutely ridiculous and I think you should evaluate who is driving your trucks. The truck number was 7
1★ · around August 2023
Going to give this company a 1 star due to the fact their driver almost hit us on the freeway, got plate number 74240P3 and video as well! Driver needs to not drive, could have killed us, swerving in between cars no blinkers, cutting off …

3★ · around August 2025
Mangers are rude and disrespectful. They try and take advantage of a person only because of their age. We had to wait over a year to have someone look at the solar. I do want to thank Cristian for helping my mother get her system working …
5★ · around July 2026
Flawless install and pretty quick. Professional guys that left no mess and answered all the questions I had. Not one crack was left in the stucco.
5★ · around June 2026
Maria was curious, professional and thorough
5★ · around June 2026
very helpful & easy process, looking forward to produce clean energy!

Reviewer names are not published here. Negative reviews are shown first because they are the ones a listing hides, not because they are more representative.

What reviewers keep mentioning

helpful staff 13
solar panel installation 8
quick answers 4
sun power 3
fast installation 2
timely work 2
paperwork handling 2
attention to detail 2
support staff 2
helpful installers 2

Topics Google derives from the review text, with how often each appears. A frequent topic is not a good one: “price” turns up in praise and in complaints alike.

What the company says about itself

Taken from its own website. We have not checked any of it, and a sentence on a website is not evidence.

Warranty
“Turn your investment into a guaranteed investment. We’ll cover…”
Family owned
“true value for its customers. The family-owned company’s roots originally began…”
Established
“that Matters When times get tough Since 1978, Nexus has traversed through every…”
Years in business
“the state of California. For over 40 years, the Rietkerk family has been…”

Elsewhere

It posts on Instagram and LinkedIn. A page that stopped posting years ago tells you something a listing will not.

When they say they are open

Sunday: Closed
Monday: 8 AM to 4:30 PM
Tuesday: 8 AM to 4:30 PM
Wednesday: 8 AM to 4:30 PM
Thursday: 8 AM to 4:30 PM
Friday: 8 AM to 4:30 PM
Saturday: Closed

As Google published them when we last read the listing, not a live check. Ring before you drive anywhere.

Other installers around Commerce

1–2★3★4★5★gauge 0–20%typical here, 1%

Ordered by how much we can tell you about each, which is not an order of quality. We do not know which of these is better and would not say if we did.

What we don't know

The date above is the newest review we hold, which is not necessarily the newest that exists — we hold a large share of Google's reviews, not all of them.
We do not verify licences, insurance or bonding. Nothing here has been checked against a state licensing board.
We cannot tell you what an installation costs, and we hold nothing about the equipment they fit.

Something wrong here? Tell us and a person will read it.

Do you run Nexus Energy Systems?

Claim this listing to become its verified contact: correct your own phone number, hours and description, and hear first if anything here changes. Free, reviewed by a person — and it changes nothing about the numbers.

Claim this listing