★ 2023 Top Solar Contractors
2023 Top Solar Installation Subcontractors
This is the list of 2023 Top Solar Contractors that primarily perform installation subcontracting work. These companies chose their primary service as “installation subcontractor” when applying to the list, and they may also work as developers, installers, electrical subcontractors, EPCs and sales partners. The listed kilowatts installed by each company could be performed within multiple services and not just installation subcontracting work.
The companies below are a segmented portion of the overall 2023 Top Solar Contractors List, organized by kilowatts (DC) installed in 2022.
For more information on Solar Power World‘s annual Top Solar Contractors List and additional sublists, visit our Top Solar Contractors home page.
| Install Rank | Company | Overall Rank | HQ State | Primary Market | kW Installed in 2022 |
|---|---|---|---|---|---|
| 1 | Granite Industrial | 4 | Texas | Utility | 1,540,150.00 |
| 2 | Sun Solar LLC | 8 | Arizona | Utility | 1,109,452.00 |
| 3 | Cantsink | 11 | Georgia | Utility | 782,515.00 |
| 4 | SDI | 14 | CA | Utility | 692,610.00 |
| 5 | J&B Solar | 20 | Florida | Utility | 561,296.00 |
| 6 | ECCS | 28 | North Carolina | Utility | 277,280.00 |
| 7 | Alternative Energy Development | 30 | FL | Utility | 250,000.00 |
| 8 | Westphal & Co. | 39 | Wisconsin | Utility | 130,800.00 |
| 9 | Alta Energy Services | 40 | Michigan | Utility | 126,800.00 |
| 10 | MBL-Energy | 43 | California | C&I | 105,060.45 |
| 11 | Taproot Construction | 45 | North Carolina | Utility | 101,062.00 |
| 12 | DCE Services | 50 | North Carolina | C&I | 81,683.74 |
| 13 | Sole Contracting | 60 | Delaware | Utility | 63,848.93 |
| 14 | Teichert Solar | 62 | California | C&I | 55,013.54 |
| 15 | Cogent Renewables | 64 | TX | Utility | 52,000.00 |
| 16 | M Bar C Construction | 67 | California | C&I | 46,868.93 |
| 17 | OnSite Solar | 70 | New York | C&I | 41,921.00 |
| 18 | Bronxwood Construction Services | 73 | NC | Utility | 40,100.00 |
| 19 | Sunstall | 75 | California | C&I | 39,594.14 |
| 20 | AFC Solar | 152 | TX | C&I | 10,735.93 |
| 21 | iBuild Solar | 198 | Pennsylvania | C&I | 6,379.80 |
| 22 | Barrett Renewables | 217 | HI | Community Solar | 4,905.00 |
| 23 | Stockmans Energy | 224 | CA | C&I | 4,479.61 |
| 24 | SolarFlair Energy | 240 | MA | Residential | 3,806.96 |
| 25 | Commonwealth Power | 259 | Virginia | C&I | 3,116.66 |
| 26 | American Solar Power | 315 | California | C&I | 1,688.86 |