Solar electrical subcontractors assist in the installation of electrical components at project sites. Many electrical subcontractors specialize in a variety of electrical work spanning the construction industry, not only solar. Some companies are full-service solar firms, however, with the ability to design, install and operate solar systems. These are the Solar Power World Top Solar Electrical Subcontractors that hooked up 620 MW to the grid in 2014.
| Rank | Company | Overall Rank | City | State | Employees | Primary Market | Total Megawatts Installed | Total Megawatts 2015 |
|---|---|---|---|---|---|---|---|---|
| 1 | E Light Electric | 12 | Englewood | CO | 945 | Utility | 2,802,930.00 | 370.81 |
| 2 | CSI Electrical Contractors | 15 | Santa Fe Springs | CA | 700 | Utility | 2,340,900.00 | 273.61 |
| 3 | Watson Electrical Construction | 52 | Wilson | NC | 700 | Utility | 769,750.00 | 119.06 |
| 4 | DKD Electric | 36 | Albuquerque | NM | 120 | Utility | 1,401,500.00 | 53.92 |
| 5 | Riggs Distler | 37 | Cherry Hill | NJ | 1000 | Utility | 178.00 | 23.00 |
| 6 | Sunworks | 97 | Provo | UT | 100 | Commercial | 224,175.26 | 13.05 |
| 7 | Casey Electric | 263 | Tell City | IN | 10 | Commercial | 208,000.00 | 10.00 |
| 8 | M.B. Herzog Electric | 103 | Paramount | CA | 150 | Commercial | 71,626.00 | 7.30 |
| 9 | Got Electric | 113 | Ijamsville | MD | 10 | Commercial | 140,145.00 | 4.00 |
| 10 | Granite State Solar | 177 | Bow | NH | 11 | Residential | 15,360.75 | 3.00 |
| 11 | American Solar Power | 195 | Los Angeles | CA | 34 | Residential | 26,138.86 | 2.92 |
| 12 | NW Wind & Solar | 288 | Seattle | WA | 15 | Commercial | 5.00 | 1.42 |
| 13 | PPC Solar | 386 | Taos | NM | 9 | Residential | 25,285.80 | 1.40 |
| 14 | US Renewable Energy Development | 456 | Las Vegas | NV | 10 | Residential | 2.75 | 0.90 |
| 15 | Yellowlite | 353 | Cleveland | OH | 9 | Residential | 15,448.00 | 0.70 |
| 16 | Electric Distribution & Design Systems | 191 | Garland | TX | 6 | Residential | 14,164.33 | 0.46 |