NAICS Code for Solar Panel Installation
The NAICS code for solar panel installation is 238210, Electrical Contractors and Other Wiring Installation Contractors. Census lists solar panel installation under 238210, Electrical Contractors and Other Wiring Installation Contractors. Solar heating equipment is 238220, and large solar power structure construction is 237130. Owning and operating a solar farm is a utility code (221114), not construction.
Related codes to add
Most businesses list several NAICS codes. Use 238210 as your primary if it covers most of your revenue, and add these when they describe work you also do:
| Code | Use it when | Size standard |
|---|---|---|
| 238220 Plumbing, Heating, and Air-Conditioning Contractors | You install solar water or space heating systems. | $19 million or less in receipts |
| 237130 Power and Communication Line and Related Structures Construction | You build utility-scale solar power structures. | $45 million or less in receipts |
| 221114 Solar Electric Power Generation | You own a solar farm and sell the electricity. | 500 employees or fewer |
Government contracts for this work
- Open federal contracts, top buyers and winners for this kind of work
- NAICS code for an electrical contractor (also 238210)
How to choose
Your primary NAICS code should match the work that brings in most of your revenue, and it sets which size standard applies to you for most set-aside contracts. Read each code's Census definition before you register. Our guide on how to choose NAICS codes covers the trade-offs. To see whether you count as small under these codes, try the size standard checker.
Frequently asked questions
What is the NAICS code for solar panel installation?
The NAICS code for solar panel installation is 238210, Electrical Contractors and Other Wiring Installation Contractors. Census lists solar panel installation under 238210, Electrical Contractors and Other Wiring Installation Contractors. Solar heating equipment is 238220, and large solar power structure construction is 237130. Owning and operating a solar farm is a utility code (221114), not construction.
What is the SBA size standard for NAICS 238210?
A business counts as small under NAICS 238210 with $19 million or less in average annual receipts, under the SBA's table of size standards. Federal contracts set aside for small businesses under this code are limited to firms that meet it.
Can I list more than one NAICS code?
Yes. In your SAM.gov registration you pick one primary NAICS code and can add as many others as describe work you can actually do. Add every code below that fits, because agencies search and set aside contracts by code.