Largest solar installers in the US
Top 100 by recorded installation volume. Every name links to a full public profile — volume by year, prices, ownership mix and service geography.
Dataset updated . Refreshed from LBNL's Tracking the Sun public releases.
National ranking
Top 100 installers
| # | Installer | Installs | Capacity | Median $/W | TPO | States | Since |
|---|---|---|---|---|---|---|---|
| 1 | Sunrun | 374,826 | 2.6 GW | $4.29/W | 73% | 14 | 1999 |
| 2 | Tesla Energy | 354,706 | 2.8 GW | $5.10/W | 55% | 16 | 1998 |
| 3 | Sunpower | 121,618 | 1.1 GW | $4.39/W | 20% | 10 | 2002 |
| 4 | Trinity Solar | 51,958 | 413.7 MW | $3.73/W | 77% | 8 | 2007 |
| 5 | Titan Solar | 45,790 | 407.0 MW | $4.40/W | 37% | 7 | 2011 |
| 6 | Freedom Forever | 45,247 | 370.5 MW | $4.04/W | 45% | 12 | 2002 |
| 7 | Bright Ops | 36,450 | 290.3 MW | $4.27/W | 83% | 6 | 2015 |
| 8 | Rec Commercial | 33,264 | 360.0 MW | $4.45/W | 58% | 7 | 2007 |
| 9 | Semper Solaris | 32,276 | 183.5 MW | $4.13/W | 0% | 1 | 2013 |
| 10 | Verengo | 26,158 | 132.6 MW | $3.91/W | 75% | 3 | 2008 |
| 11 | Petersendean | 24,512 | 151.9 MW | $3.82/W | 15% | 5 | 1999 |
| 12 | Sungevity Development | 24,254 | 154.5 MW | $3.87/W | 58% | 9 | 1999 |
| 13 | Infinity Energy | 22,799 | 176.1 MW | $4.41/W | 39% | 3 | 2010 |
| 14 | Baker Electric Solar | 22,599 | 208.2 MW | $4.17/W | 7% | 1 | 2006 |
| 15 | Momentum Solar | 20,187 | 162.3 MW | $3.44/W | 64% | 9 | 2015 |
| 16 | Horizon Solar Power | 15,908 | 119.4 MW | $3.99/W | 76% | 2 | 2010 |
| 17 | Leonard Roofing | 15,477 | 51.7 MW | $2.37/W | 77% | 1 | 2011 |
| 18 | Esp Contracting | 14,718 | 98.2 MW | $4.00/W | 23% | 1 | 2015 |
| 19 | Sunpower Capital | 13,715 | 117.4 MW | $4.60/W | 74% | 8 | 2012 |
| 20 | Rgs Energy | 13,576 | 133.1 MW | $5.74/W | 27% | 10 | 1998 |
| 21 | Solcius | 13,184 | 81.2 MW | $4.64/W | 19% | 6 | 2013 |
| 22 | V3 Electric | 12,395 | 83.0 MW | $3.85/W | 77% | 1 | 2013 |
| 23 | Freedom Solar | 11,957 | 97.0 MW | $4.11/W | 23% | 5 | 2009 |
| 24 | Complete Solar | 11,928 | 77.6 MW | $4.12/W | 73% | 6 | 2010 |
| 25 | Sunnova Energy | 11,231 | 47.6 MW | $3.75/W | 94% | 6 | 2014 |
| 26 | Citadel Roofing And Solar | 10,505 | 50.3 MW | $2.86/W | 0% | 1 | 2002 |
| 27 | Solarmax | 10,290 | 81.3 MW | $3.37/W | 13% | 3 | 2009 |
| 28 | Better Earth Electric | 10,272 | 75.8 MW | $5.02/W | 3% | 3 | 2017 |
| 29 | Sullivan Solar Power | 9,704 | 81.8 MW | $4.31/W | 8% | 5 | 2005 |
| 30 | Solar Optimum Design Electrical | 9,237 | 90.0 MW | $2.98/W | 2% | 2 | 2011 |
| 31 | Stellar Solar | 9,008 | 67.1 MW | $3.98/W | 3% | 2 | 2005 |
| 32 | Renova Energy | 8,665 | 99.5 MW | $4.07/W | 42% | 2 | 2008 |
| 33 | Elevation Solar | 8,371 | 77.4 MW | $4.05/W | 8% | 3 | 2015 |
| 34 | Our World Energy | 7,914 | 77.0 MW | $4.59/W | 13% | 2 | 2020 |
| 35 | Abundant Energy Construction | 7,779 | 57.4 MW | $4.65/W | 32% | 1 | 2016 |
| 36 | American Solar Direct | 7,343 | 41.3 MW | $5.88/W | 44% | 3 | 2009 |
| 37 | Hooked On Solar | 7,183 | 52.3 MW | $4.35/W | 10% | 1 | 2001 |
| 38 | Powur Home Construction | 7,036 | 65.1 MW | $4.37/W | 8% | 6 | 2019 |
| 39 | Sun Solar Energy Solutions | 6,952 | 70.7 MW | $3.70/W | 35% | 1 | 2011 |
| 40 | Suncommon | 6,600 | 77.5 MW | $4.40/W | 5% | 5 | 2004 |
| 41 | Solartech Energy Systems | 6,443 | 50.5 MW | $3.79/W | 1% | 4 | 1992 |
| 42 | 1st Light Energy | 6,329 | 67.6 MW | $4.06/W | 17% | 7 | 2007 |
| 43 | Sunvalley Solar Solutions | 6,312 | 56.8 MW | $3.64/W | 19% | 2 | 2003 |
| 44 | Kota Construction | 6,159 | 42.1 MW | $5.06/W | 0% | 1 | 2020 |
| 45 | Nexus Energy Systems | 6,120 | 35.1 MW | $4.65/W | 26% | 3 | 2011 |
| 46 | Quality Homes Services | 6,115 | 51.3 MW | $4.05/W | 11% | 1 | 2010 |
| 47 | Vision Solar | 5,905 | 47.0 MW | $3.83/W | 54% | 6 | 2014 |
| 48 | Direct Energy Solar Formerly Astrum | 5,899 | 55.3 MW | $3.89/W | 18% | 6 | 2010 |
| 49 | Future Energy Corporation | 5,624 | 28.3 MW | $6.24/W | 0% | 2 | 2006 |
| 50 | Empower Electric | 5,475 | 38.3 MW | $5.26/W | 1% | 1 | 2008 |
| 51 | Bland Company | 5,443 | 48.9 MW | $3.36/W | 3% | 1 | 2007 |
| 52 | Solgen Electric | 5,355 | 40.5 MW | $5.49/W | 3% | 2 | 2009 |
| 53 | Nrg Clean Energy | 5,199 | 36.2 MW | $3.56/W | 0% | 2 | 2012 |
| 54 | Sunstreet Energy Group | 5,192 | 15.6 MW | $3.28/W | 93% | 2 | 2014 |
| 55 | Solar Negotiators | 4,966 | 48.4 MW | $3.64/W | 0% | 1 | 2013 |
| 56 | Sunpro Solar | 4,909 | 40.3 MW | $4.64/W | 9% | 5 | 2009 |
| 57 | Smart Energy Usa | 4,900 | 33.0 MW | $4.16/W | 53% | 1 | 2010 |
| 58 | Kuubix Energy | 4,884 | 36.4 MW | $4.62/W | 22% | 3 | 2017 |
| 59 | Venture Home Solar | 4,837 | 34.2 MW | $4.68/W | 15% | 5 | 2009 |
| 60 | Suntuity | 4,819 | 43.2 MW | $4.23/W | 54% | 7 | 2015 |
| 61 | Westhaven Power | 4,796 | 36.2 MW | $4.23/W | 4% | 1 | 2011 |
| 62 | Sunworks | 4,728 | 123.2 MW | $3.81/W | 0% | 4 | 2008 |
| 63 | American Solar Elec | 4,697 | 34.3 MW | $3.38/W | 19% | 2 | 1999 |
| 64 | Sunline Energy | 4,616 | 29.0 MW | $3.65/W | 0% | 1 | 2012 |
| 65 | Posigen | 4,604 | 31.6 MW | $4.40/W | 98% | 4 | 2015 |
| 66 | La Solar Group | 4,583 | 34.1 MW | $3.49/W | 13% | 1 | 2012 |
| 67 | Igs Energy | 4,532 | 24.8 MW | $3.95/W | 99% | 2 | 2019 |
| 68 | Your Energy Solutions | 4,489 | 29.8 MW | $3.66/W | 0% | 3 | 2009 |
| 69 | Premier Solar Solutions | 4,384 | 37.5 MW | $4.00/W | 30% | 7 | 2009 |
| 70 | Solar Technologies | 4,360 | 52.1 MW | $4.67/W | 4% | 2 | 2001 |
| 71 | American Array Solar Electric | 4,296 | 27.4 MW | $3.64/W | 0% | 2 | 2014 |
| 72 | Solar Topps | 4,269 | 42.9 MW | $3.15/W | 41% | 1 | 2010 |
| 73 | Nrg Residential Solar Solutions | 4,268 | 27.5 MW | $3.52/W | 100% | 2 | 2012 |
| 74 | Sunny Energy | 4,254 | 41.9 MW | $4.04/W | 17% | 3 | 2008 |
| 75 | Current Home Solar | 4,252 | 33.3 MW | $4.67/W | 98% | 2 | 2019 |
| 76 | Sunnymac | 4,211 | 41.2 MW | $3.77/W | 50% | 5 | 2011 |
| 77 | Arcadia Solar | 4,180 | 34.7 MW | $4.45/W | 55% | 4 | 2011 |
| 78 | Roof Diagnostics Solar | 4,115 | 27.3 MW | $3.55/W | 76% | 4 | 2012 |
| 79 | Fusion Power | 4,088 | 41.1 MW | $4.45/W | 7% | 1 | 2020 |
| 80 | Technicians For Sustainability | 4,058 | 43.8 MW | $2.92/W | 0% | 1 | 1999 |
| 81 | Harmon Electric | 4,051 | 40.8 MW | $3.53/W | 51% | 1 | 2008 |
| 82 | Precis Solar | 4,023 | 34.1 MW | $4.20/W | 19% | 1 | 2010 |
| 83 | Advanced Solar Electric | 3,915 | 29.0 MW | $3.76/W | 1% | 4 | 1999 |
| 84 | The Solar Company | 3,902 | 42.6 MW | $5.38/W | 13% | 10 | 2002 |
| 85 | Clean Solar | 3,902 | 25.4 MW | $4.27/W | 2% | 1 | 2007 |
| 86 | Sunergy Construction | 3,875 | 27.2 MW | $3.74/W | 36% | 7 | 2004 |
| 87 | Icon Power | 3,819 | 40.5 MW | $4.00/W | 1% | 3 | 2018 |
| 88 | A1 Solar Power | 3,740 | 17.3 MW | $6.63/W | 6% | 2 | 2009 |
| 89 | Alternative Energy Systems | 3,658 | 41.9 MW | $3.99/W | 3% | 3 | 2006 |
| 90 | Pm And M Electric | 3,629 | 36.7 MW | $4.61/W | 2% | 2 | 2013 |
| 91 | Blalock Electric | 3,623 | 27.5 MW | $3.21/W | 9% | 1 | 2013 |
| 92 | West Coast Solar | 3,599 | 26.8 MW | $3.73/W | 8% | 1 | 2008 |
| 93 | All Season Solar Nj | 3,582 | 35.2 MW | — | 86% | 1 | 2014 |
| 94 | Solar Universe | 3,581 | 26.1 MW | $4.16/W | 21% | 6 | 2009 |
| 95 | A M Sun Solar | 3,581 | 31.4 MW | $3.76/W | 3% | 1 | 2006 |
| 96 | Swss Electrical | 3,542 | 25.9 MW | $0.43/W | 72% | 1 | 2015 |
| 97 | Energy Concepts | 3,536 | 31.4 MW | $3.80/W | 8% | 4 | 2003 |
| 98 | California Solar Systems | 3,535 | 24.1 MW | $4.31/W | 30% | 1 | 2007 |
| 99 | Ambrose Solar | 3,527 | 28.6 MW | $4.38/W | 0% | 1 | 2017 |
| 100 | Milholland Electric | 3,524 | 25.0 MW | $5.20/W | 2% | 2 | 2009 |
Frequently asked questions
Who are the biggest solar installers in the United States?
By recorded installations: 1. Sunrun (374,826), 2. Tesla Energy (354,706), 3. Sunpower (121,618), 4. Trinity Solar (51,958), 5. Titan Solar (45,790). Rankings reflect LBNL Tracking the Sun coverage (3,426,466 systems across 27 states), not total company sales.
How is this ranking calculated?
Free-text installer names across 3,426,466 public installation records are resolved into 14,133 canonical companies by conservative exact-normalized matching (no fuzzy merging), then ranked by recorded install count. Full method on the methodology page.