Best solar companies California HCI Solar

HCI Solar Reviews

Based in Walnut Creek, CA. This profile is built from public installation records and published ratings, not paid placement.

335verified installs in California utility records*
23recent installs, 2025-26 records*
2018first year in county records
8.1/10Solar.com Score · 39 reviews analyzed

Solar.com Installer Score for HCI Solar

One score, computed the same way for every installer. We read the full text of all 39 substantive published HCI Solar review texts across every platform and measure what customers actually report. Not a survey. Not a sample. Never for sale.

Solar.com Installer Score

8.1/10

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

Synthesized from 39 substantive customer review texts (46 published reviews collected).

Google 4.9★ · 25 reviewsYelp 4.1★ · 21 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.9.8

recency-weighted star ratings across platforms

Sales IntegrityHow clearly and honestly the company explains the system, contract, savings, and incentives before you sign.7.2

21 reviews speak to this · 18 praise · 3 complaints

Price TransparencyHow well the final price, financing terms, and incentive guidance match what customers were led to expect.6.7

4 reviews speak to this · 3 praise · 1 complaints

CommunicationHow reliably the company keeps customers informed and answers questions across sales, installation, and service.7.4

21 reviews speak to this · 18 praise · 3 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.7.2

19 reviews speak to this · 17 praise · 2 complaints

WorkmanshipThe quality, professionalism, neatness, and property care of the physical installation.8.0

22 reviews speak to this · 20 praise · 2 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.7.6

14 reviews speak to this · 13 praise · 1 complaints

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

How does HCI Solar 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 HCI Solar 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.
Contra Costa County109620187.6 kW0.0%below ranking floor (under 250 installs)
Alameda County88520186.5 kW0.0%below ranking floor (under 250 installs)
Santa Clara County59320197.9 kW0.0%below ranking floor (under 250 installs)
San Mateo County33520199.7 kW0.0%below ranking floor (under 250 installs)
San Francisco County19120206.2 kW0.0%below ranking floor (under 250 installs)
Marin County16320219.5 kW0.0%below ranking floor (under 250 installs)
Sonoma County11020208.6 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.

HCI Solar reviews: what customers say

An independent synthesis of published customer feedback across Google and Yelp, updated September 23, 2026. Green marks praise, amber mixed experiences, red complaints.

Sales & proposal integrity

Sales Integrity7.2/10

Reviewers most often describe the sales process as knowledgeable and helpful, with several saying proposals were clear, detailed, and tailored to their needs. A smaller set of complaints focuses on pushback, contact practices, and expectations that did not match how the project unfolded.Solar.com's composite of published customer feedback, not a customer quote

Detailed, helpful proposals. Several reviewers say the team took time to explain options, answer questions, and build a system around their needs. These reviews describe the sales process as informative and transparent. Representative review excerpt: "They took the time to walk me through all the solar options, patiently answered my million questions, and genuinely wanted to help me find the best fit."

Responsive follow-through. Some reviewers say quotes arrived when promised and that questions were handled clearly and professionally. They describe the sales experience as organized and easy to follow. Representative review excerpt: "Within just two days (exactly when Anthony said he would), he got back to me with quotes, right on schedule."

Pushback and outreach complaints. A small number of reviewers report pressure around scope or unwanted outreach. These complaints are present but limited in the overall set. Representative review excerpt: "The account representative pushed back, claiming their best practice was to handle the panels and batteries first, then the chargers separately -- and that the city approval only required the..."

Price & financing transparency

Price Transparency6.7/10

Feedback on pricing and financing is limited but mostly positive, with reviewers noting helpful financing guidance and responsive support. One review describes a very high cash outlay and disappointing results, so this category reads as mixed rather than purely positive.Solar.com's composite of published customer feedback, not a customer quote

Financing help described positively. Some reviewers say financing options were explained clearly and helped make the project manageable. They describe the process as straightforward and supported by the team. Representative review excerpt: "The 2nd time, they helped with a 0% financing program, which allowed us to pay it off in 18months or so."

Responsive support during issues. A reviewer says the team stayed responsive and even came out personally when issues arose. That feedback suggests stronger hands-on support around project cost or financing questions. Representative review excerpt: "Anthony has been very helpful and responsive every step of the way and has personally came out to solve our problems when there were issues."

Cost complaint and disappointment. One reviewer reports a very large cash payment and says the outcome did not meet expectations. This is the clearest negative signal in the pricing feedback. Representative review excerpt: "After paying over $85,000 in cash (yes, we received a rebate, but that doesn't soften the blow), we still cannot charge our EVs at home."

Communication & coordination

Communication7.4/10

Reviewers frequently describe the company as responsive, clear, and willing to follow up when questions came up. At the same time, a small number of complaints mention difficulty reaching the company or concerns about how certain project details were handled.Solar.com's composite of published customer feedback, not a customer quote

Clear and responsive communication. Multiple reviewers say their questions were answered quickly and explanations were easy to understand. They describe the team as attentive and organized throughout the process. Representative review excerpt: "Anthony was always quick to respond and explained everything clearly."

Strong follow-up from staff. Some reviewers note that if staff were unsure, they checked with the team and came back with answers. That pattern points to active coordination rather than one-off replies. Representative review excerpt: "He answered every question I had and, if he wasn’t sure about something, he’d actually get the answers from his team and follow up."

Reachability concerns. A small number of reviewers report trouble getting through by phone or getting timely responses. These complaints suggest communication can be inconsistent for some projects. Representative review excerpt: "I tried to call the company every day for a week to get a quote for Tesla powerwall installation, and no one picked up the phone."

Timeline reliability

Timeline Reliability7.2/10

Most reviewers describe the project timeline as efficient, including permits handled in weeks and installation completed quickly. A couple of complaints point to long delays or issues during wrap-up and inspection, so the timeline record is positive but not spotless.Solar.com's composite of published customer feedback, not a customer quote

Permits and installs moved quickly. Several reviewers say permits were handled in weeks and installation took only a day or two. They describe the process as moving on schedule and matching what had been promised. Representative review excerpt: "They got our permits in weeks and installed the system in just one day."

Promise dates were met. Reviewers also mention follow-through on timing for quotes and next steps. These comments suggest the company often stays on the schedule it sets. Representative review excerpt: "Within just two days (exactly when Anthony said he would), he got back to me with quotes, right on schedule."

Delay and inspection complaint. A small number of reviewers report long waits for usable equipment or frustration during final inspection. These complaints indicate that some projects stretched out well beyond expectations. Representative review excerpt: "$85,000 Later -- Still No Working EV Chargers After 15 Months When our family made the switch from gas vehicles to EVs, we hired HCI to install solar panels and..."

Workmanship & site care

Workmanship8.0/10

This is one of the stronger areas in the review set. Reviewers often describe the crews as professional, efficient, and careful with cleanup, while only a couple of comments raise concerns about the post-install experience or how certain steps were handled.Solar.com's composite of published customer feedback, not a customer quote

Clean, professional installs. Reviewers frequently say the crew finished quickly and left the home clean. These comments point to solid day-of-installation workmanship and site care. Representative review excerpt: "The crew installed everything in 1 day and left our home even cleaner than before they came."

Solid installation quality. Some reviewers describe the install as smooth and well executed over one or two days. They also mention the crew taking care of related equipment and setup details. Representative review excerpt: "It took them two days—day one for wiring and installing the inverter, day two for getting the panels up."

Post-install friction. A small number of reviews mention a difficult wrap-up or disagreement during final inspection. That suggests the installation itself is usually praised, but the closeout experience can be uneven. Representative review excerpt: "Post install was a crappy experience again when their wrap up guy showed up and was a real prick about wanting to see in my house for the final inspection."

Long-term support & performance

Long-Term Support7.6/10

This category is the weakest in the review set even though many reviewers still describe helpful post-install guidance. The main positive theme is monitoring and setup support, but the limited complaint evidence here carries more weight because the score is low and the category is narrow.Solar.com's composite of published customer feedback, not a customer quote

Monitoring setup support. One reviewer says the team returned to set up monitoring and explained how to use it. That suggests at least some post-install handoff support is present. Representative review excerpt: "He came back to set up our eGauge monitoring system and made sure we knew exactly how to use it."

Helpful post-install guidance. Other reviewers mention clear explanations and follow-through after the system was installed. They describe the support as practical and service-oriented. Representative review excerpt: "They took the time to walk me through all the solar options, patiently answered my million questions, and genuinely wanted to help me find the best fit."

Serious post-install complaint. One reviewer reports a prolonged unresolved issue after installation. This is the clearest sign that long-term service and resolution can be a pain point. Representative review excerpt: "The account representative pushed back, claiming their best practice was to handle the panels and batteries first, then the chargers separately -- and that the city approval only required the..."

Bottom line: H C I SOLAR’s review profile is generally positive on the front end and during installation, with strong marks for workmanship, communication, and timeline execution. The weaker areas are post-install support and a smaller set of complaints around pricing, proposals, and project closeout, which keep the overall score at 8.1/10 rather than a higher level.

How this is built: category scores and summaries weigh the company's full published rating record (22 Google reviews averaging 4.9 stars), the most recent and most relevant review texts, and recurring feedback themes verified acrossGoogle and Yelp. Ratings and review excerpts from published review sources. Refreshed as new feedback is published. No installer can pay to change it.

About HCI Solar

Company background from published business information and licensing records.

Also files CPUC records as: Hci Solar.

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.
14
2018
32
'19
28
'20
63
'21
68
'22
126
'23
28
'24
15
'25
9
'26

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 HCI Solar

What do customers say in HCI Solar reviews?

We analyzed 39 substantive published customer reviews of HCI Solar in full. The company's Solar.com Installer Score is 8.1/10, 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 HCI Solar installed?

HCI Solar appears as installer of record on 335+ 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 HCI Solar'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.