Louisiana Solar License Requirements

Louisiana regulates installation, construction, and repair of photovoltaic and solar-thermal systems through the Louisiana State Licensing Board for Contractors (LSLBC). Solar Energy Equipment is an LSLBC trade-exam classification. An applicant for that classification must also hold Building Construction, Electrical, Mechanical, or Residential Construction. The solar statute separately requires an Electrical-classification contractor for PV wiring or hookups at a project value of $10,000 or more, and a Mechanical-classification contractor for solar-thermal piping or equipment hookups at $10,000 or more. State licensing is not a substitute for utility interconnection, parish/city permit, plan, inspection, or code requirements.

Regulatory Body

This license is issued and enforced by Louisiana State Licensing Board for Contractors (LSLBC) pursuant to La. R.S. 37:2150 et seq., including La. R.S. 37:2156.3. LSLBC issues contractor classifications, including Solar Energy Equipment and its required parent classifications. Utilities and local authorities separately administer interconnection and project approvals.

Official portal: https://lslbc.louisiana.gov/

Eligibility Requirements

Applicants must be at least 18 years old. Applicants must provide a Social Security Number. Follow the current LSLBC entity and qualifying-party application requirements. Confirm business-operating rules with the applicable parish/city.

Good moral character

Answer the current LSLBC disclosures accurately and provide requested supporting documents.

Background investigation

Follow current LSLBC application disclosures; no solar-specific fingerprint requirement was substantiated.

Experience and Education

No fixed number of years of experience is set out in the cited sources for this credential; instead, the controlling requirement is No generic solar experience-year rule was verified. The qualifying party must meet the current LSLBC requirements for Solar Energy Equipment and the required parent classification..

Accepted proof of experience or eligibility

Current LSLBC application
Qualifying-party designation
Current examination, approved training, or credential records required by the selected LSLBC classification

Education substitution

Do not assume NABCEP or another credential replaces LSLBC requirements; confirm any current board-approved waiver or training option with LSLBC.

Exam Requirements

Testing provider or authority: LSLBC provides current examination information and Candidate Information Bulletins through its testing process.. The following examination requirements cover the pathways described in this guide; follow each part's classification, waiver, and local-scope conditions. Unpublished format details do not remove an examination requirement:

Solar Energy Equipment trade examination — question count: confirm with the authority, timing: confirm with the authority, passing score: confirm in the current candidate bulletin
Required parent-classification examination or approved equivalent — question count: confirm with the authority, timing: confirm with the authority, passing score: confirm in the current candidate bulletin

Examination fee: Confirm current application and examination fees with LSLBC before filing.

Retake policy: Use the current LSLBC testing information and Candidate Information Bulletin.

Insurance and Bonds

This credential carries no state-level surety bond requirement under the cited sources. Individual jobs may still trigger a permit or public-works bond, which should be verified before bidding.

General liability

Use LSLBC’s current checklist for insurance required by the selected commercial, residential, or other license route; no solar-only fixed liability amount was substantiated.

Workers' compensation

Provide workers’ compensation documentation when required by Louisiana law and the selected LSLBC route.

Additional financial requirements

Confirm the current financial requirement for the chosen parent classification and Solar Energy Equipment application with LSLBC.

Fee Schedule

Fee	Amount
Application	No separate amount recorded; confirm in the fee guidance
Initial license	No separate amount recorded; confirm in the fee guidance
Renewal (every year)	No separate amount recorded; confirm in the fee guidance

To turn these board fees into a realistic year-one budget — bond premium, liability insurance, and exam prep included — open the cost calculator preloaded for Louisiana solar.

Renewal and Continuing Education

Renewal of the Louisiana Solar Energy Equipment Contractor License Guide comes due every year. The cited state source set does not list a separate statewide renewal fee. Maintain the underlying parent classification, Solar Energy Equipment classification, required insurance, and project approvals.

Continuing education: Follow current LSLBC renewal and continuing-education requirements for the exact license; no universal solar CE requirement was substantiated.

Downloadable Asset

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

Download the PDF roadmap →

Reciprocity

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

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

No solar-specific reciprocity agreement was substantiated. Confirm any current LSLBC examination waiver directly with the board before relying on an out-of-state credential.

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

Solar Licensing in Neighboring States

Contractors working near a state line, or weighing where to qualify first, should compare Louisiana's requirements against the bordering jurisdictions before committing to an application:

Arkansas Solar License Requirements — Arkansas Solar Systems Contractor / Electrical Contractor
Mississippi Solar License Requirements — Mississippi Solar and Wind Construction / Residential Solar License
Texas Solar License Requirements — Texas — No State Solar License (TDLR Electrician + local permits)

Step-by-Step Application Roadmap

Define the scope and total project value. Identify PV, solar thermal, structural, electrical, and mechanical work; include labor, materials, rentals, and direct and indirect project expenses.
Identify the parent classification. Solar Energy Equipment applicants must hold Building Construction, Electrical, Mechanical, or Residential Construction.
Match the connection work. At $10,000 or more, PV wiring or hookups require Electrical; solar-thermal piping or equipment hookups require Mechanical.
Confirm the solar classification requirement. LSLBC lists Solar Energy Equipment as a trade-exam classification and states its license threshold as work exceeding $10,000. Treat a $10,000 project as needing LSLBC review because the connection-work statute uses $10,000 or more.
Complete current LSLBC requirements. Meet the current qualifying-party, testing, training, financial, and insurance requirements for the exact route.
Apply before contracting. Obtain the applicable LSLBC credentials before bidding or performing regulated work.
Obtain project approvals. Confirm utility interconnection, parish/city permits, plan review, inspections, and adopted-code requirements with the responsible utility and AHJ.

Application Checklist

The items below are the ones worth confirming before the application is filed with LSLBC:

PV, thermal, structural, electrical, and mechanical scope identified
Total project value calculated
Required parent classification identified
Solar Energy Equipment classification requirement checked with LSLBC
Electrical / Mechanical connection route confirmed for $10,000+ work
Current LSLBC testing, financial, and insurance requirements completed
Utility interconnection and parish/city approvals confirmed

Common Filing Mistakes

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

Treating Solar Energy Equipment as a stand-alone license

LSLBC requires an applicant also to hold Building Construction, Electrical, Mechanical, or Residential Construction.

Using the wrong connection classification

PV wiring and solar-thermal piping/equipment connections have separate Electrical and Mechanical requirements at $10,000 or more.

Missing the threshold wording

The classification list says solar work exceeding $10,000, while the connection statute uses $10,000 or more; verify the route with LSLBC for a $10,000 project.

Assuming NABCEP transfers the state requirement

NABCEP may be useful professionally, but confirm any effect on LSLBC requirements directly with the board.

Skipping utility or local approvals

State contractor licensing does not replace interconnection, permits, plan review, inspections, or adopted-code compliance.

Study and Reference Materials

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.

LSLBC Solar Energy Equipment classification — Louisiana State Licensing Board for Contractors. Solar scope and required parent classifications.
La. R.S. 37:2156.3 — Louisiana Legislature. PV electrical and solar-thermal mechanical connection requirements.
LSLBC exam and testing information — Louisiana State Licensing Board for Contractors. Use current candidate material for the exact classifications.

Other Louisiana Trade Licenses

If the Solar license is not the right fit, the following published Louisiana trade guides are also covered by CLR:

Frequently Asked Questions

Does Louisiana have a solar classification?

Yes. LSLBC lists Solar Energy Equipment as a trade-exam classification for PV and solar-thermal systems.

What classification must a solar contractor already hold?

An applicant for Solar Energy Equipment must hold Building Construction, Electrical, Mechanical, or Residential Construction.

Who may connect PV wiring?

For a PV panel or system valued at $10,000 or more, the solar statute requires a contractor or subcontractor holding Electrical or authorized to perform electrical work.

Who may connect solar-thermal piping?

For a solar-thermal system valued at $10,000 or more, the statute requires Mechanical or authority to perform mechanical work.

Are utility and local permits included in the state license?

No. Interconnection, permits, plans, inspections, and local codes are separate project requirements.

Primary Sources

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

Verified 2026-09-04 · Next scheduled review 2026-12-03

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Corrections and presentation updates

2026-09-30: Corrected examination detection when format details are unpublished and updated the summary layout and requirements score. Source-check dates are unchanged.
2026-09-08: Shared template updated to distinguish unspecified eligibility requirements, retain cost qualifications, and use consistent headings. Source-check dates are unchanged by presentation updates.
2026-09-21: Local-only guides now use a compliance-focused structure and terminology instead of implying a statewide license application. Source-check dates are unchanged by this presentation update.