📌 Key Takeaway: Look for NABCEP-certified installers, SRCC-certified panels, and a valid electrical license — then get at least 3 quotes to compare cost per watt, warranties, and equipment brands directly.

Credentials to Verify

  • NABCEP certification — North American Board of Certified Energy Practitioners, a recognized industry credential for installer competency.
  • SRCC certification — Solar Rating & Certification Corporation, applies to the panels/equipment itself.
  • Valid electrical license — required in most states for solar installation work; ask to see it directly.

Getting Comparable Quotes

Get at least three quotes, and make sure each one includes installation, permits, and grid hookup — not just equipment cost. Watch for hidden fees like ongoing monitoring or service charges that aren't obvious in the headline price. Compare quotes using cost-per-watt as the standardized metric, since it lets you compare fairly across different system sizes.

Questions Worth Asking Every Installer

  • What's included in this quote — installation, permits, grid hookup, monitoring?
  • What warranty types apply, and who backs each one (manufacturer vs. installer)?
  • How long have you been in business, and can you provide local references?
  • Does my roof need any prep work or electrical panel upgrade not included in the base quote?
  • If I live in a rural area, do you offer critter guards to protect panels from animal damage?

Red Flags to Watch For

Be cautious of installers who pressure you to sign quickly, won't provide their NABCEP or licensing credentials on request, or give a quote significantly below every other bid without a clear explanation (which can signal corners being cut on equipment quality or installation standards).

Frequently Asked Questions

Should I choose a national installer or a local company?

Both can be reasonable choices — national installers often have more resources and standardized processes, while local companies may offer more personalized service and familiarity with local permitting requirements. Credentials matter more than company size.

How long does a typical solar installation take?

The physical installation itself often takes just 1-3 days, but the full process — including permitting, inspection, and utility grid connection approval — can take several weeks to a few months depending on your local permitting complexity.