★ 2026 Top Solar Contractors
2026 Top Solar Installation Subcontractors
This is the 2026 list of Top Solar Contractors that primarily perform subcontracted installation work. These companies chose their primary service as “installation subcontractor” when applying to the list, and they may also work as developers, EPCs, installers, electrical subcontractors and sales partners. The listed kilowatts installed by each company could be performed within multiple services and not just subcontracted installation work.
The companies below are a segmented portion of the overall 2026 Top Solar Contractors List, organized by kilowatts (DC) installed in 2025.
For more information on Solar Power World‘s annual Top Solar Contractors List and additional sublists, visit our Top Solar Contractors home page.
| Installation Subcontractor Rank | Company | Overall Rank | HQ State | Markets | kW Installed in 2025 |
|---|---|---|---|---|---|
| 1 | Sun Solar LLC | 6 | Arizona | U | 1,811,643.00 |
| 2 | Granite Industrial | 8 | Texas | U | 1,393,850.00 |
| 3 | Sukut Construction | 9 | California | U | 1,299,000.00 |
| 4 | J&B Solar | 11 | Florida | U | 953,400.00 |
| 5 | Absolute | 19 | Texas | U | 702,744.00 |
| 6 | Cantsink | 33 | Georgia | U | C&I | 263,259.20 |
| 7 | Sungrid Power | 38 | Texas | U | 203,000.00 |
| 8 | NoBull Energy | 40 | Indiana | U | 184,700.00 |
| 9 | Taproot Construction | 44 | North Carolina | U | 150,760.00 |
| 10 | Teichert Solar | 50 | California | C&I | 114,429.72 |
| 11 | DCE Services | 51 | North Carolina | C&I | 111,895.30 |
| 12 | Sole Contracting | 55 | Delaware | C&I | CS | 83,483.99 |
| 13 | M Bar C Construction | 60 | California | C&I | 72,476.13 |
| 14 | Alta Energy Services | 62 | Michigan | U | CS | 67,440.00 |
| 15 | Pine Energy | 63 | Georgia | C&I | 63,416.17 |
| 16 | Next Generation Solar | 69 | New York | C&I | CS | 56,496.67 |
| 17 | Sunstall | 73 | California | U | C&I | CS | 50,989.94 |
| 18 | DMH Services | 78 | Pennsylvania | C&I | CS | 46,577.55 |
| 19 | ECCS | 84 | North Carolina | C&I | 43,550.00 |
| 20 | Solar Mounts | 93 | Michigan | U | C&I | 37,975.97 |
| 21 | iBuild Solar | 106 | Pennsylvania | C&I | 25,914.07 |
| 22 | American Solar Power | 245 | California | C&I | 3,791.33 |