Best solar companies California Suntech Energy

Suntech Energy Reviews

California installer. This profile is built from public installation records and published ratings, not paid placement.

10verified installs in California utility records*
0recent installs, 2025-26 records*
2018first year in county records
7.7/10Solar.com Score · 27 reviews analyzed

Solar.com Installer Score for Suntech Energy

One score, computed the same way for every installer. We read the full text of all 27 substantive published Suntech Energy review texts across every platform and measure what customers actually report. Not a survey. Not a sample. Never for sale.

Solar.com Installer Score

7.7/10

Blends the six category scores (70%) with the recency-weighted star record (30%).

Synthesized from 27 substantive customer review texts.

Google 5.0★ · 27 reviews

Updated September 28, 2026 · No installer can pay to change this score · How scores work →

Read what customers actually say ↓
Review star recordRecency-weighted star ratings across platforms, converted to a 0-10 signal before it is blended into the headline Solar.com Score.10.0

recency-weighted star ratings across platforms

Sales IntegrityHow clearly and honestly the company explains the system, contract, savings, and incentives before you sign.7.1

17 reviews speak to this · 17 praise · 0 complaints

Price TransparencyHow well the final price, financing terms, and incentive guidance match what customers were led to expect.6.8

7 reviews speak to this · 6 praise · 1 complaints

CommunicationHow reliably the company keeps customers informed and answers questions across sales, installation, and service.7.1

10 reviews speak to this · 10 praise · 0 complaints

Timeline ReliabilityHow well the company manages the path from contract through permits, installation, inspection, and turn-on — without the customer having to chase it.7.1

12 reviews speak to this · 12 praise · 0 complaints

WorkmanshipThe quality, professionalism, neatness, and property care of the physical installation.7.2

14 reviews speak to this · 14 praise · 0 complaints

Long-Term SupportHow well the system performs after turn-on, how the company handles monitoring, warranty claims, and service calls — and its staying power to honor them.5.0

6 reviews speak to this · 6 praise · 0 complaints

#474 of 678 scored in California by Solar.com Installer Score

How does Suntech Energy compare where you live? Rankings are local; an installer that leads one city can trail in the next. See how they rank in your city →

Why this differs from star ratings: most five-star reviews say “great company” and stop, and star averages reward that. These category scores only count reviews with concrete evidence, weighted by recency and the reviewer’s track record. A company can hold a strong star average while specific categories score lower; that gap is usually where the real story is. Categories with more complaints than praise are the questions worth asking any bidder, not necessarily dealbreakers.

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Where Suntech Energy builds

County-by-county activity from CPUC records through May 2026.

What this data covers: *Counts on this page, including the totals up top, come from investor-owned-utility interconnection records (SCE, SDG&E, PG&E). Work in municipal-utility territory, such as LADWP or city utilities, and outside California does not appear here, so this company's true totals are higher than shown. Unlike the county rankings, this profile also shows counties below the 250-install ranking floor.

CountyVerified installsRecent 2025-26Active sinceMedian system% leasedCounty rankingLink to the county ranking page. This company's rank on this page is its Solar.com Installer Score rank, shown above.
Los Angeles County10020188.4 kW0.0%below ranking floor (under 250 installs)

% leased counts systems recorded as third party owned (lease or power purchase agreement); the remainder are customer owned. Median system size is the middle system this company installed in that county. Star ratings and review counts are from Google.

Suntech Energy reviews: what customers say

An independent synthesis of published customer feedback, updated September 28, 2026. Green marks praise, amber mixed experiences, red complaints.

Sales & proposal integrity

Sales Integrity7.1/10

Reviewers consistently describe the sales process as clear, informative, and low-pressure. The feedback centers on staff answering questions thoroughly and helping customers feel informed before deciding.Solar.com's composite of published customer feedback, not a customer quote

Clear, helpful consultations. Reviewers say the team took time to explain options and answer questions, which made it easier to make a decision. Representative review excerpt: "I liked how the experts took great pride in answering my question and ensuring I had all of the information needed to make the correct decision."

Informative first contact. Customers report that initial conversations felt well-prepared and that the team quickly understood what they needed. Representative review excerpt: "I was impressed even from the first call, since the manager had all the necessary information and realized what I needed immediately."

Guidance without pressure. Several reviews describe patient advice and practical recommendations that helped narrow choices. Representative review excerpt: "They patiently answered all my questions, gave a lot of recommendations and advice, helped me choose the best for me."

Price & financing transparency

Price Transparency6.8/10

Reviewers generally describe pricing and financing conversations as straightforward, with several noting that offers were clear and contract terms were honored. There is one complaint review in this category, but the overall pattern is still mostly positive.Solar.com's composite of published customer feedback, not a customer quote

Straightforward price discussion. Customers say the offer and price were appealing and easy to understand during the sales process. Representative review excerpt: "we liked the offer and the price of this company, and also paid attention to the good reviews, we were not mistaken."

Contract terms held. One reviewer reports that requested changes were handled without extra charges and that the original contract price was honored. Representative review excerpt: "Despite some additional changes I have requested, they didn’t charge for the extra and they honored the original contract price."

Financing options explained. Reviewers also mention financing details being presented clearly, including an APR option that was discussed up front. Representative review excerpt: "He offered an unbelievable low rate APR financing option, but I end up paying cash since it was even higher return on my investment."

Communication & coordination

Communication7.1/10

Reviewers consistently describe strong communication, with staff answering questions promptly and walking customers through the process. The feedback suggests customers felt supported and kept informed during coordination.Solar.com's composite of published customer feedback, not a customer quote

Responsive to questions. Reviewers say customer service was informative and questions were answered thoroughly when they called in. Representative review excerpt: "Also what I wanted to say is their costumer service, when I called them, had some questions, they answered to every question that I had, very informative, thank you SunTech..."

Patient explanations. Customers report that the team took time to explain each step and make sure they understood the process and system functionality. Representative review excerpt: "The staffs are very knowledgeable and took their time to make sure we understand each step of the installation processes and functionality of the system."

Helpful guidance. Several reviews mention recommendations and advice that helped customers feel comfortable with their decisions. Representative review excerpt: "They patiently answered all my questions, gave a lot of recommendations and advice, helped me choose the best for me."

Timeline reliability

Timeline Reliability7.1/10

Reviewers describe a generally reliable timeline, with work and paperwork moving forward as expected. Comments highlight meeting deadlines and completing installations on schedule.Solar.com's composite of published customer feedback, not a customer quote

Deadlines met. One reviewer says the team sent calculations on time and met the expected deadlines. Representative review excerpt: "He met all the deadlines and sent me all the calculations on time."

Installation completed as planned. Customers report that the crew came out and handled the work as promised. Representative review excerpt: "We decided to install our solar panels, so we Contacted SunTech Energy, they came and did everything what they had to, first of all I want to thank them for..."

Clear process through each step. Reviews also mention that staff explained the steps involved, which helped the project feel organized from permitting through completion. Representative review excerpt: "The staffs are very knowledgeable and took their time to make sure we understand each step of the installation processes and functionality of the system."

Workmanship & site care

Workmanship7.2/10

Reviewers describe the installation crews as professional and knowledgeable, with attention to explaining the work as it happened. The available feedback is strongly positive, with no meaningful complaint pattern in the review set.Solar.com's composite of published customer feedback, not a customer quote

Professional rooftop work. Reviewers note that having panels installed on the roof can be disruptive, but they still describe the crew experience positively. Representative review excerpt: "It's never easy to have people come and get up on your roof and install panels."

Knowledgeable installers. Customers say the staff knew the process well and took time to explain the installation and system setup. Representative review excerpt: "The staffs are very knowledgeable and took their time to make sure we understand each step of the installation processes and functionality of the system."

Satisfied with the result. One reviewer says they did not regret choosing the company after the job was done. Representative review excerpt: "I’ll have to admit, I was unsure of which company to go for, but I didn’t regret it one bit!"

Long-term support & performance

Long-Term Support5.0/10

This is the weakest category in the review set, but the available comments are still mostly positive and focus on system performance after installation. Because the evidence pool is small, there is less to go on about warranty service or long-term support beyond these favorable reports.Solar.com's composite of published customer feedback, not a customer quote

Positive post-install experience. Reviewers say the system continued to perform well after installation and that they were satisfied with the quality of the panels. Representative review excerpt: "After months using their solar, I have to admit that they have the best quality solar panels among other brands."

Post-install handoff completed. One review describes the crew returning after inspections to turn the system on, which suggests a finished handoff process. Representative review excerpt: "After getting the permits the installation crew took two days to finish the installation, and after the city inspector finial approval, Charlie and a technician came to turn the system..."

Repair-related follow-up. A reviewer mentions a roof leak being addressed during the installation visit, but there is limited evidence beyond that single account. Representative review excerpt: "When the installer were installing the solar panels on my roof over the main house, I mentioned that I have an old roof leak over my garage and I was..."

Bottom line: Across 27 substantive Google reviews, SUNTECH ENERGY is described most often as responsive, informative, and reliable during the sales-to-installation process. The softer area is long-term support and performance, where the score is notably lower and the evidence base is smaller, though the available comments still lean positive.

How this is built: category scores and summaries weigh the company's full published rating record (27 Google reviews averaging 5.0 stars), the most recent and most relevant review texts, and recurring feedback themes verified acrossGoogle. Ratings and review excerpts from published review sources. Refreshed as new feedback is published. No installer can pay to change it.

About Suntech Energy

Company background from published business information and licensing records.

Products

Solar

Service area

California. Note: the install counts on this page cover California investor-owned-utility records only.

Work for this company or see something out of date? Profiles can be claimed and corrected: contact partners@solar.com. Placement on solar.com is never for sale.

Recorded installs by year

Residential interconnections statewide in PG&E, SCE, and SDG&E records through May 2026.
6
2017
5
'18
5
'19
4
'20
2
'21
2
'22
2
'23

Important context: this chart shows investor-owned-utility records only. Companies that shift work toward municipal-utility territory (LADWP and city power departments) or other states will show declining bars here even while building steadily elsewhere, and 2025-26 records also lag real installation dates. Treat this as a partial window, not the company's full trajectory.

FAQ about Suntech Energy

What do customers say in Suntech Energy reviews?

We analyzed 27 substantive published customer reviews of Suntech Energy in full. The company's Solar.com Installer Score is 7.7/10, with category-level detail on this page covering sales integrity, price transparency, communication, timeline reliability, workmanship, and long-term support.

How many solar systems has Suntech Energy installed?

Suntech Energy appears as installer of record on 10+ residential systems in California investor-owned-utility interconnection records through May 2026. Work in municipal-utility territory or other states does not appear in those public records.

How can I compare Suntech Energy's pricing?

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How we built this data

Methodology: Counts are residential PV interconnections in investor-owned-utility territory (PG&E, SCE, SDG&E) per CPUC Rule 21 public records through May 2026. Postal and name variants are merged. Municipal utility territory such as LADWP, Glendale, Pasadena, Burbank, Anaheim, and Riverside Public Utilities is not included in those CPUC counts. Counts show recorded installations, not quality ratings. Reported costs are self-reported on owned-system interconnections. No installer can pay for placement.

Who we are: Solar.com is a solar marketplace — we connect homeowners with installers and earn a fee when projects move forward. These rankings and scores are computed from public installation records and published customer reviews. No installer can pay for placement, and no installer — including those we work with — can pay to change a score.