Which of these should a solar installer you are considering be able to give you?

References from previous clients, plus you should read their reviews.

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  1. References from previous clients ✔
  2. A copy of your neighbor's bill
  3. Your utility's internal rate file

Why: Past customers can tell you if the crew was neat, on time and responsive after the install. Reading reviews adds a second check.

Huh, didn't know that: DOE also says to ask what warranty coverage applies if a component has a problem.

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Why don't aliens visit our Solar System? They read the reviews: just one star.
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References

Answer: References from previous clients. Past customers can tell you if the crew was neat, on time and responsive after the install. Reading reviews adds a second check.

  1. DOE: Choosing a Solar Installer www.energy.gov/eere/solar/articles/decisions-decisions-choosing-solar-installer
    The installers you’re considering should be able to give you references from previous clients
    Checked 2026-10-10.

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