★ 2026 Top Solar Contractors
2026 Top California Solar Contractors
This is the 2026 list of Top Solar Contractors completing work in California. The kilowatts listed as being installed in the state reflect only kilowatts installed in California in 2025. Companies listed on this state list could be headquartered in other states, participate in any market (residential, commercial, community solar, utility) and provide any installation service (EPC, developer, installer, installation subcontractor, electrical subcontractor, sales partner).
The listed kilowatts installed by each company in California could come from installations in all markets (residential, commercial, community solar, utility) but only within California state lines.
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.
| California Rank | Company | kW Installed In California | Markets Served | Primary Service | Total kW installed in U.S. in 2025 | Overall Rank |
|---|---|---|---|---|---|---|
| 1 | Quanta Services | 671,831.71 | U | EPC | 6,113,906.46 | 1 |
| 2 | BEI Construction | 404,313.56 | U | C&I | Electrical Subcontractor | 404,313.56 | 26 |
| 3 | Arevon Energy | 372,000.00 | U | C&I | Developer | 886,865.00 | 13 |
| 4 | SOLV Energy | 372,000.00 | U | C&I | CS | EPC | 2,500,000.00 | 5 |
| 5 | Clearway Energy Group | 340,000.00 | U | Developer | 640,000.00 | 22 |
| 6 | Baker Electric | 230,690.80 | U | C&I | Electrical Subcontractor | 230,690.80 | 36 |
| 7 | Mortenson | 185,000.00 | U | EPC | 1,655,100.00 | 7 |
| 8 | Granite Industrial | 133,540.00 | U | Installation Subcontractor | 1,393,850.00 | 8 |
| 9 | Teichert Solar | 105,999.80 | C&I | Installation Subcontractor | 114,429.72 | 50 |
| 10 | M Bar C Construction | 65,834.98 | C&I | Installation Subcontractor | 72,476.13 | 60 |
| 11 | Primoris Renewable Energy | 65,000.00 | U | EPC | 3,219,000.00 | 4 |
| 12 | Citadel Roofing & Solar | 58,391.64 | C&I | R | Installer | 58,391.64 | 68 |
| 13 | Helix Electric | 53,338.24 | C&I | EPC | 53,338.24 | 72 |
| 14 | Elite Electric | 50,906.90 | C&I | R | EPC | 50,906.90 | 74 |
| 15 | Greenskies Clean Energy | 46,423.04 | C&I | CS | Developer | 60,048.16 | 66 |
| 16 | Sunstall | 44,202.80 | U | C&I | CS | Installation Subcontractor | 50,989.94 | 73 |
| 17 | MBL-Energy | 43,721.50 | C&I | EPC | 43,721.50 | 82 |
| 18 | ForeFront Power | 41,399.42 | C&I | Developer | 41,670.57 | 87 |
| 19 | New Era Electric | 39,490.00 | C&I | Electrical Subcontractor | 39,490.00 | 91 |
| 20 | Motive Energy | 39,017.28 | C&I | EPC | 39,827.50 | 90 |
| 21 | MARS Energy Group | 31,576.01 | C&I | CS | R | EPC | 121,178.43 | 49 |
| 22 | Ameresco | 25,547.50 | C&I | CS | Developer | 42,417.00 | 86 |
| 23 | Coldwell Energy | 24,228.48 | C&I | EPC | 24,228.48 | 108 |
| 24 | Pickett Solar | 20,916.02 | C&I | EPC | 20,916.02 | 111 |
| 25 | Collins Electrical | 20,623.21 | C&I | EPC | 20,623.21 | 115 |
| 26 | Renewable America | 17,992.05 | U | C&I | CS | Developer | 17,992.05 | 124 |
| 27 | Newport Power | 17,772.00 | C&I | R | EPC | 17,772.00 | 125 |
| 28 | Solar Optimum | 16,977.24 | C&I | R | EPC | 20,912.11 | 112 |
| 29 | Renewable Energy Partners | 16,106.92 | C&I | Developer | 16,106.92 | 132 |
| 30 | Baja Construction | 15,565.77 | C&I | EPC | 28,059.82 | 102 |
| 31 | Renewable America Services | 15,406.00 | U | C&I | CS | EPC | 15,406.00 | 136 |
| 32 | Treepublic | 13,643.37 | C&I | R | Installer | 13,643.37 | 143 |
| 33 | Core Development Group | 12,900.00 | C&I | CS | EPC | 34,978.30 | 95 |
| 34 | Semper Solaris | 12,629.60 | R | Installer | 12,867.54 | 144 |
| 35 | Stellar Solar | 12,162.35 | C&I | R | Installer | 12,207.82 | 150 |
| 36 | Tenco Solar | 11,058.54 | C&I | EPC | 11,058.54 | 155 |
| 37 | SitelogIQ | 10,931.85 | C&I | EPC | 10,931.85 | 156 |
| 38 | OC Solar | 10,637.41 | R | Installer | 10,637.41 | 159 |
| 39 | Energy Service Partners | 10,444.18 | R | Installer | 12,231.67 | 148 |
| 40 | Solar Technologies | 9,985.76 | C&I | R | EPC | 9,985.76 | 162 |
| 41 | Baker Home Energy | 8,135.49 | R | Installer | 8,135.49 | 180 |
| 42 | Catalyze | 7,795.89 | C&I | CS | Developer | 154,357.47 | 42 |
| 43 | ArchKey Solutions | 6,661.40 | C&I | Electrical Subcontractor | 6,661.40 | 194 |
| 44 | dGEN Energy Partners | 6,379.00 | C&I | Developer | 24,409.00 | 107 |
| 45 | REC Power | 6,090.98 | C&I | Developer | 11,368.73 | 154 |
| 46 | Sun Light & Power | 5,956.38 | C&I | R | EPC | 5,956.38 | 206 |
| 47 | SolarTech | 5,263.94 | C&I | R | Installer | 6,019.47 | 204 |
| 48 | Pivot Energy | 5,033.80 | C&I | CS | Developer | 126,628.24 | 47 |
| 49 | AMECO Solar | 4,479.97 | R | Installer | 4,479.97 | 227 |
| 50 | Ambrose Solar | 4,293.21 | C&I | R | Installer | 4,293.21 | 232 |
| 51 | Simply Solar | 4,049.12 | C&I | R | Installer | 4,049.12 | 240 |
| 52 | American Solar Power | 3,791.33 | C&I | Installation Subcontractor | 3,791.33 | 245 |
| 53 | Current Home | 3,724.35 | R | Installer | 7,358.00 | 189 |
| 54 | Veregy | 2,956.00 | C&I | EPC | 20,436.50 | 116 |
| 55 | Enerlogics | 2,851.00 | C&I | Developer | 11,835.00 | 153 |
| 56 | Sandbar Solar | 2,519.10 | C&I | R | EPC | 2,519.10 | 279 |
| 57 | A.M. Sun Solar | 2,323.56 | C&I | R | Installer | 2,323.56 | 286 |
| 58 | StarAlt Solar | 2,040.00 | C&I | EPC | 8,510.05 | 173 |
| 59 | BPi | 1,986.49 | C&I | EPC | 3,964.61 | 243 |
| 60 | Sunline Energy | 1,784.97 | R | Installer | 1,784.97 | 305 |
| 61 | DCE Services | 1,653.40 | C&I | Installation Subcontractor | 111,895.30 | 51 |
| 62 | Forme Solar Electric | 1,646.96 | C&I | R | Installer | 1,646.96 | 310 |
| 63 | SunRenu Solar | 1,536.00 | C&I | EPC | 1,813.00 | 302 |
| 64 | Sol-Up | 1,528.99 | C&I | R | Installer | 14,098.69 | 140 |
| 65 | Clean Solar | 1,520.72 | R | Installer | 1,520.72 | 316 |
| 66 | Silverline Home Remodeling | 1,502.37 | R | Installer | 1,502.37 | 317 |
| 67 | Solarponics | 1,311.27 | R | Installer | 1,311.27 | 324 |
| 68 | Allterra Solar | 1,299.32 | R | Installer | 1,299.32 | 326 |
| 69 | Standard Solar | 1,176.00 | U | C&I | CS | Developer | 156,901.70 | 41 |
| 70 | Obodo Energy Partners | 1,126.00 | C&I | R | EPC | 3,544.18 | 253 |
| 71 | Palomar Solar & Roofing | 1,099.57 | C&I | R | Installer | 1,099.57 | 338 |
| 72 | TN Electrical and Solar Services | 1,081.75 | R | Installer | 1,081.75 | 339 |
| 73 | SolCore | 1,045.74 | R | Installer | 1,045.74 | 345 |
| 74 | Highlight Solar | 980.70 | R | Installer | 980.70 | 349 |
| 75 | North State Solar Energy | 889.16 | C&I | R | Installer | 889.16 | 351 |
| 76 | California Home Solar | 853.80 | R | Installer | 853.80 | 354 |
| 77 | Clean Power Group | 793.61 | R | Installer | 793.61 | 356 |
| 78 | Capital Energy | 729.73 | C&I | R | Installer | 13,823.56 | 142 |
| 79 | Centrica Business Solutions | 609.21 | C&I | EPC | 3,499.03 | 255 |
| 80 | Symmetric Energy | 493.60 | C&I | R | Installer | 493.60 | 366 |
| 81 | Clayco Electric | 490.90 | R | Installer | 1,537.18 | 315 |
| 82 | Earth Electric | 483.40 | R | Installer | 483.40 | 367 |
| 83 | Vasco Solar | 362.53 | R | Installer | 362.53 | 372 |
| 84 | SafeHome.Solar | 263.38 | R | Installer | 263.38 | 378 |
| 85 | Solar Electric Freedom | 217.06 | C&I | R | EPC | 3,305.36 | 259 |
| 86 | Solar Mounts | 99.96 | U | C&I | Installation Subcontractor | 37,975.97 | 93 |
| 87 | Badass Energy | 91.65 | R | Installer | 91.65 | 384 |
| 88 | Big Dog Solar | 44.82 | R | Installer | 10,671.76 | 158 |
| 89 | Verde Solutions | 22.82 | C&I | EPC | 6,232.37 | 198 |
| 90 | ION Solar | 16.17 | R | Installer | 56,430.60 | 70 |
| 91 | ReVision Energy | 13.20 | C&I | CS | R | Installer | 41,030.23 | 88 |