Missouri Solar Contractor License Requirements (2026)

Missouri issues no standalone solar license. The Missouri Division of Professional Registration operates an Office of Statewide Electrical Contractors that grants an OPTIONAL statewide Electrical Contractor license (RSMo §324.900–§324.945) — it requires passing a NASCLA-accredited electrical exam and carrying at least $500,000 general liability, and it lets the holder skip duplicative city tests in participating jurisdictions. It is not mandatory: most solar companies still pull separate local Electrical Contractor licenses in Kansas City, St. Louis, Springfield, Columbia, and other home rule cities. Solar thermal water heating requires a local Master Plumber license. NABCEP PV Installation Professional is voluntary but expected by Ameren and Evergy incentive programs.

Regulatory Oversight

This license is issued and enforced by Missouri — No Statewide Contractor Licensing (Municipal Authorities) (MO-LOCAL) pursuant to No statewide contractor licensing statute. Authority flows from Missouri home-rule charter cities under Mo. Const. art. VI §19 and §20, enforced through municipal building codes.. Missouri has no state contractor board. Licensing, testing, bonding, and enforcement are handled entirely by individual municipalities. Kansas City (Code Compliance Division, City Planning and Development Department) and St. Louis (Building Division, Department of Public Safety) are the two dominant licensing authorities, with Springfield, Columbia, Independence, and St. Louis County operating their own independent programs.

Official portal: https://www.mo.gov/
Address: Varies by municipality (Kansas City, St. Louis, Springfield, Columbia, and other home-rule cities)
Phone: Kansas City Code Compliance: (816) 513-1500 | St. Louis Building Division: (314) 622-3313

Who May Apply

To qualify, an applicant must have reached age 18 and hold a valid Social Security Number. Local residency requirements vary.

Good moral character

Local jurisdictions conduct fitness reviews.

Background investigation

Local jurisdictions typically require criminal history disclosure.

Required Experience and Education

Eligibility requires four years of practical electrical experience under a licensed electrical contractor (typical local requirement), documented and independently verifiable. Payroll, tax, project, and supervisor records are the usual proof the board will accept.

Accepted proof of experience or eligibility

Local jurisdiction experience verification forms
Certified payroll
NABCEP PV Installation Professional certification (recommended)

Education substitution

NABCEP and trade school credentials count toward local requirements.

Examination Requirements

The licensing examination is delivered by Local jurisdictions administer their own electrician exams. All of the following parts must be cleared prior to issuance:

Local Electrical Contractor Examination — NEC, business and law — 100 questions, 240 minutes, passing score 70%

Examination fee: $100 – $200 local exam fee.

Retake policy: Local jurisdictions set their own retake rules.

Insurance and Financial Requirements

Licensure is conditioned on filing a $5,000 contractor license surety bond with the MO-LOCAL.

General liability

Most Missouri jurisdictions require $300,000 – $500,000 commercial general liability minimum.

Workers' compensation

Workers' compensation insurance is mandatory under RSMo Chapter 287 for any construction business with one or more employees.

Additional financial requirements

No state financial statement required.

Licensing Fees

Fee	Amount
Application (non-refundable)	$200
Examination	$150
Initial license	$200
Renewal (every 2 years)	$200

Keeping the License Current

Renewal of the Missouri — No State Solar or Electrician License (Local Electrical Contractor Required) comes due every 2 years. As cited, the renewal fee stands at $200. Local Missouri licenses typically renew every two years.

Continuing education: Local CE requirements vary.

Downloadable Asset

2026 Missouri Solar License Roadmap (PDF) — a printable step-by-step checklist for the application process.

Download the PDF roadmap →

Reciprocity and License Transfer

The NASCLA Accredited Examination is not accepted by Missouri for this classification.

Reciprocal State	Accepted Exam	Conditions
No formal bilateral reciprocity agreements identified.

Missouri has no statewide electrical license to reciprocate. NABCEP PV Installation Professional certification is the industry credential of choice but does not substitute for state licensure.

Weighing more than one jurisdiction? The national hub compares Solar license requirements in every state — exam, bond, fee, and experience thresholds side by side.

Application Process, Step by Step

Document four years of electrical experience. Compile experience verification per local jurisdiction requirements.
Apply to the local jurisdiction (Kansas City, St. Louis, etc). File the local Electrical Contractor application.
Pass the local electrician exam. Each jurisdiction sets its own exam.
Post the local surety bond. Typically $5,000 – $10,000.
File the certificate of insurance. $300K CGL minimum is typical.
Earn NABCEP certification (optional). Voluntary but expected by Ameren and most utilities.
Pull local building and electrical permits per project. Each Missouri jurisdiction requires local permits.

Recommended References

The references below are either cited by the board, used during the application, or standard preparation for the trade. They are listed purely for convenience — CLR earns no commission on any of them.

NEC Article 690 — Solar Photovoltaic Systems — NFPA. Primary technical reference.
Kansas City and St. Louis Electrical Codes — Local jurisdictions. Local amendments to the NEC.
Local electrician examination bulletins — Various. Varies by jurisdiction.

Frequent Application Errors

Based on the board's own instructions and the sources cited here, the problems below are what most often stall a Missouri Solar application.

Assuming the optional state license replaces local ones

The statewide Office of Statewide Electrical Contractors license is opt-in and only recognized in participating jurisdictions — Kansas City and St. Louis still require their own electrical contractor licenses.

Skipping local permits

NABCEP and local credentials do not exempt you from city/county permits.

Letting bond lapse

Local jurisdictions suspend licenses immediately upon bond cancellation.

Forgetting workers compensation

Mandatory for any construction business with one or more employees.

Confusing solar thermal with PV

Solar hot water requires the local Master Plumber license.

Document Checklist

The most critical documents or confirmations the applicant should have in hand before filing with MO-LOCAL:

☐ Four years of documented electrical experience
☐ Local Electrical Contractor application per jurisdiction
☐ Local electrician exam pass
☐ Local surety bond per jurisdiction
☐ $300K commercial general liability insurance (typical minimum)
☐ Workers' compensation coverage
☐ NABCEP certification (recommended)

Other Missouri Trade Licenses

CLR covers other Missouri trades as well — the published guides below may be more relevant:

Questions Applicants Ask

Does Missouri have a state solar license?

No standalone solar license. Missouri does offer an OPTIONAL statewide Electrical Contractor license through the Office of Statewide Electrical Contractors (RSMo §324.900), but it is not required — most solar contractors license locally.

Is NABCEP required?

No. NABCEP is voluntary in Missouri.

Which cities require licensing?

Kansas City, St. Louis, Springfield, Columbia, and most home rule cities.

What about solar thermal?

Solar hot water requires a local Master Plumber license.

Does Missouri reciprocate?

No. Missouri has no statewide electrical license to reciprocate.

Primary Sources

Regulatory requirements on this page are drawn from the official board, statute, and exam-provider materials listed below.

Verified 2026-05-03 · Next scheduled review 2026-08-01