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Solar Installer GuildUnited States · independent

Sol Systems

Solar energy company · Washington, DC

What the listing shows you

4.3★

294 Google reviews

What it doesn’t

15%

rated 1–2★

typical in Washington, 2%

Newest review held

Jun 2026

newest held review 2 months old

Google's rating breakdown · all 294 reviews

Rated 1–2★
15%
typical in Washington, 2%
Posted an update
—
we saw no owner post, which is not the same as none existing
Replies to reviewers
100%
of the 294 reviews we hold

Its one and two star share is 13 points above the typical installer in Washington. Across District of Columbia, 5 of the 22 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 294 review texts for this company, quoted below. Google publishes review ages rather than dates, so every date here is approximate.

On the District of Columbia ranking

No. 9 of the 9 rankable records in District of Columbia →

Ordered by the share of one and two star reviews, weighted by how many reviews stand behind it. It ranks review records, not workmanship.

Every company we hold in Washington, on one axis

0% rated 1–2★40%

Each mark is one company we hold in Washington whose Google breakdown has been read, placed by its share of one and two star reviews. Sol Systems is the red one. The amber line is the middle of that set, which includes suppliers and maintenance businesses as well as installers.

What reviewers said

  • 1★ · around June 2026 · the company replied

    This is a horrible company to work with. Would avoid !!!

  • 1★ · around April 2026 · the company replied

    I contracted with Sol Systems 10 years ago when I had my solar system installed. At the time I had concerns about the SREC contract I signed but was insured by Sol Systems that i would receive the entire amount of my contract. My contract amount was for $15,560 and to date I have received only $14,360, which is a years worth of SREC income. Now my contract has expired and will not receive the balance of my contract. There is a 6 month lag between when you generate an SREC to the time you are paid, which immediately puts you behind on payments after you sign a contract. Not only can you not get

  • 1★ · around March 2026 · the company replied

    Horrible service. You cannot speak to anyone via telephone if there is an issue receiving your SRECs. If you email them to resolve your issue, don't hold your breath. Absolutely terrible customer service. If I could post with 0 stars I would.

  • 3★ · around August 2024 · the company replied

    Sol Systems has good customer communication but spontaniously increased their commission as a percent of the energy my panels generate, so I'm not happy with that since I signed a contract with an understanding of their fee.

  • 5★ · around June 2026 · the company replied

    Champagne at Sol Systems was immensely helpful in getting our newly revised system under contract. We really appreciated the time and expertise she brought to the task. Her style of personal, caring attention is rare and becoming more rare every day.

  • 5★ · around March 2026 · the company replied

    It is not possible to speak by phone with anyone at Sol Systems, but that is OK because the customer service via email is fantastic. I worked with Champagne to get my account registered -- she was so responsive, very helpful and super patient. She is definitely an asset to the organization.

  • 5★ · around February 2026 · the company replied

    I had the pleasure to work with Champagne while choosing which option for our agreement. Champagne was exceedingly knowledgeable about each option, she answered all of my questions and was kind and patient while doing so. She provided crucial advice which led to the right decision for our family. I find contracts to be confusing and stressful. Champagne made this decision process clear and easy, I would highly recommend her as a point of contact.

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

  • responsive staff 22
  • information provided 16
  • responsiveness 15
  • account setup 11
  • quick response 11
  • informative staff 11
  • explaining options 9
  • email support 6
  • direct deposit 4
  • helpful responses 4

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.

    Its website also mentions established, but not in a sentence we can quote cleanly.

    Elsewhere

    • It is also reviewed on the Better Business Bureau and Yelp. Worth reading before you sign anything: those are a different crowd, and the complaints that reach the Better Business Bureau rarely reach Google.
    • It posts on LinkedIn and X. A page that stopped posting years ago tells you something a listing will not.

    When they say they are open

    Sunday
    Closed
    Monday
    9 AM to 6 PM
    Tuesday
    9 AM to 6 PM
    Wednesday
    9 AM to 6 PM
    Thursday
    9 AM to 6 PM
    Friday
    9 AM to 6 PM
    Saturday
    Closed

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

    Who Google shows alongside them

    Google’s own “people also viewed” set, in Google’s order. It is Google’s comparison, not ours.

    Other installers around Washington

    1–2★3★4★5★gauge 0–20%typical here, 2%

    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 Sol 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