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Solar Installer GuildUnited States · independent

Sun Light & Power Solar

Solar energy company · Berkeley, CA

What the listing shows you

4.8★

75 Google reviews

What it doesn’t

5%

rated 1–2★

typical in the San Francisco area, 8%

Newest review held

May 2026

newest held review 3 months old

Google's rating breakdown · all 75 reviews

Rated 1–2★
5%
typical in the San Francisco area, 8%
Posted an update
29 days ago
the company posting to its own Google profile
Replies to reviewers
96%
of the 75 reviews we hold

Its one and two star share is 3 points below the typical installer in the San Francisco area. Across California, 568 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 75 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 the San Francisco area, on one axis

0% rated 1–2★35%

Each mark is one company we hold in the San Francisco area whose Google breakdown has been read, placed by its share of one and two star reviews. Sun Light & Power Solar 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 August 2025 · the company replied

    The tech, James, must have really been having a bad day. I was working the front desk (imagine a large 800 bed complex larger than some hotels). Before I can even reach out to someone from our maintenance team, this guy angrily shouts "should I just leave."

  • 1★ · around August 2023 · the company replied

    Invested $20k in a system this company sold us on in 2010. In spite of it, have spent thousands in true-up bills on top of huge monthly energy bill. Apparently getting a ‘diagnostic’ service in 2023 on same system will cost you $2800. How is any of this a cost saving to us, the customer??? Do not hire this company to do your solar.

  • 1★ · around August 2022 · the company replied

    I had an appointment for 11:30 AM this morning. It is now 1:33 and they haven't shown up and I haven't been able to reach the office by phone. Really? You can't even be bothered to call me?

  • 5★ · around May 2026 · the company replied

    We're coming up on our first year of having solar thanks to SLP. And we are very happy. The system works as designed and for most of the year (minus winter due to nearby trees) we are off the grid, saving us hundreds in electricity charges every month. This includes charging our EV and running the electric dryer. We've even had a couple of rare power outages and the system provided electricity throughout. A big shoutout to Nathaniel Johnson, our sales rep, who held our hands throughout the process. We had some installation challenges due to outside issues, but Nathaniel helped us navigate thro

  • 5★ · around April 2026 · the company replied

    Excellent work, done correctly the first time. Working well.

  • 5★ · around February 2026 · the company replied

    The staff is very friendly and helpful in understanding all that is involved in the commitment to buy or lease solar power. During the initial survey and the actual installation and connecting they continue to explain what is done and why.

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

  • solar system installation 6
  • responsiveness 5
  • responsive staff 5
  • warranty repair 5
  • reduced utility bill 4
  • battery installation 4
  • timely work 3
  • high quality work crews 3
  • solar array repair 3
  • pleasant team 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.

  • Established

    “solar solutions for 50 years! Since 1976, Sun Light & Power has been…”

Its website also mentions warranty and licence number, but not in a sentence we can quote cleanly.

Elsewhere

When they say they are open

Sunday
Closed
Monday
8 AM to 5 PM
Tuesday
8 AM to 5 PM
Wednesday
8 AM to 5 PM
Thursday
8 AM to 5 PM
Friday
8 AM to 5 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.

The ones without a link have no page here, either because Google does not categorise them as solar businesses or because we could not match the name to a listing with confidence.

Other installers around San Francisco

1–2★3★4★5★gauge 0–20%typical here, 8%

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.

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