Federal solar credit ended Dec 31, 2025
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Installers · Missouri

How to Check a Solar Installer in Missouri

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Updated Data verified Nov 5, 2026

We do not rank or rate solar companies, and nobody pays to appear on this site. What we can do is show you how to check any installer in Missouri yourself in about ten minutes: the license they must hold, where to look it up, and the consumer rules that protect you when you sign.

On this page [ 5 ]

The license a Missouri solar installer needs

Missouri has no mandatory statewide license for solar or electrical contractors: cities and counties set their own electrical contractor licensing and permits, and the state's statewide electrical contractor license (Office of Statewide Electrical Contractors, RSMo 324.900-324.945) is optional but must be accepted by localities in lieu of a local license.[1]

Official license lookup[2]

A ten-minute installer check

  1. Look up the company's license by number with the official lookup above, and confirm the name and address match the contract.
  2. Ask whether the crew lead holds the NABCEP PV Installation Professional certification (check it in the NABCEP directory[3]). It is voluntary but shows tested experience.
  3. Get at least three written quotes for the same system size, with the price per watt, panel and inverter models and warranty terms spelled out.
  4. Ask who will handle the utility interconnection application and the permit, and who pays if the utility requires a meter or panel upgrade.
  5. Never sign on the first visit; check your cancellation rights and the financing terms, including dealer fees.

Installers we have verified

We only list a company after checking its license record ourselves, and we never show prices or star ratings for installers. No Missouri installers are listed yet; use the checks above for any company you are considering.

FAQ

Frequently asked questions

How do I check a solar company's license in Missouri?

Use the official lookup: Official license lookup. Search by license number, which should be on the contract and the company's ads.

Can I cancel a solar contract after signing?

Often, yes. For sales made at your home, the FTC's Cooling-Off Rule applies: you can cancel until midnight of the third business day after the sale (Saturdays count) for sales of $25 or more made at your home.[4]

sources

[ 4 ]

Every number on this page links to one of these sources. Dates show when we last checked each one.

  1. Missouri Division of Professional Registration - Office of Statewide Electrical Contractors: FAQs for Electrical Contractorspr.mo.gov · checked Nov 5, 2026
  2. Missouri Division of Professional Registration (MOPRO) - License Searchmopro.mo.gov · checked Nov 5, 2026
  3. NABCEP directoriesdirectories.nabcep.org · checked Nov 5, 2026
  4. 16 CFR Part 429, Cooling-Off Ruleecfr.gov · checked Nov 5, 2026