PanelCensus

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

#InstallerInstallsCapacityMedian $/WTPOStatesSince
1Sunrun374,8262.6 GW$4.29/W73%141999
2Tesla Energy354,7062.8 GW$5.10/W55%161998
3Sunpower121,6181.1 GW$4.39/W20%102002
4Trinity Solar51,958413.7 MW$3.73/W77%82007
5Titan Solar45,790407.0 MW$4.40/W37%72011
6Freedom Forever45,247370.5 MW$4.04/W45%122002
7Bright Ops36,450290.3 MW$4.27/W83%62015
8Rec Commercial33,264360.0 MW$4.45/W58%72007
9Semper Solaris32,276183.5 MW$4.13/W0%12013
10Verengo26,158132.6 MW$3.91/W75%32008
11Petersendean24,512151.9 MW$3.82/W15%51999
12Sungevity Development24,254154.5 MW$3.87/W58%91999
13Infinity Energy22,799176.1 MW$4.41/W39%32010
14Baker Electric Solar22,599208.2 MW$4.17/W7%12006
15Momentum Solar20,187162.3 MW$3.44/W64%92015
16Horizon Solar Power15,908119.4 MW$3.99/W76%22010
17Leonard Roofing15,47751.7 MW$2.37/W77%12011
18Esp Contracting14,71898.2 MW$4.00/W23%12015
19Sunpower Capital13,715117.4 MW$4.60/W74%82012
20Rgs Energy13,576133.1 MW$5.74/W27%101998
21Solcius13,18481.2 MW$4.64/W19%62013
22V3 Electric12,39583.0 MW$3.85/W77%12013
23Freedom Solar11,95797.0 MW$4.11/W23%52009
24Complete Solar11,92877.6 MW$4.12/W73%62010
25Sunnova Energy11,23147.6 MW$3.75/W94%62014
26Citadel Roofing And Solar10,50550.3 MW$2.86/W0%12002
27Solarmax10,29081.3 MW$3.37/W13%32009
28Better Earth Electric10,27275.8 MW$5.02/W3%32017
29Sullivan Solar Power9,70481.8 MW$4.31/W8%52005
30Solar Optimum Design Electrical9,23790.0 MW$2.98/W2%22011
31Stellar Solar9,00867.1 MW$3.98/W3%22005
32Renova Energy8,66599.5 MW$4.07/W42%22008
33Elevation Solar8,37177.4 MW$4.05/W8%32015
34Our World Energy7,91477.0 MW$4.59/W13%22020
35Abundant Energy Construction7,77957.4 MW$4.65/W32%12016
36American Solar Direct7,34341.3 MW$5.88/W44%32009
37Hooked On Solar7,18352.3 MW$4.35/W10%12001
38Powur Home Construction7,03665.1 MW$4.37/W8%62019
39Sun Solar Energy Solutions6,95270.7 MW$3.70/W35%12011
40Suncommon6,60077.5 MW$4.40/W5%52004
41Solartech Energy Systems6,44350.5 MW$3.79/W1%41992
421st Light Energy6,32967.6 MW$4.06/W17%72007
43Sunvalley Solar Solutions6,31256.8 MW$3.64/W19%22003
44Kota Construction6,15942.1 MW$5.06/W0%12020
45Nexus Energy Systems6,12035.1 MW$4.65/W26%32011
46Quality Homes Services6,11551.3 MW$4.05/W11%12010
47Vision Solar5,90547.0 MW$3.83/W54%62014
48Direct Energy Solar Formerly Astrum5,89955.3 MW$3.89/W18%62010
49Future Energy Corporation5,62428.3 MW$6.24/W0%22006
50Empower Electric5,47538.3 MW$5.26/W1%12008
51Bland Company5,44348.9 MW$3.36/W3%12007
52Solgen Electric5,35540.5 MW$5.49/W3%22009
53Nrg Clean Energy5,19936.2 MW$3.56/W0%22012
54Sunstreet Energy Group5,19215.6 MW$3.28/W93%22014
55Solar Negotiators4,96648.4 MW$3.64/W0%12013
56Sunpro Solar4,90940.3 MW$4.64/W9%52009
57Smart Energy Usa4,90033.0 MW$4.16/W53%12010
58Kuubix Energy4,88436.4 MW$4.62/W22%32017
59Venture Home Solar4,83734.2 MW$4.68/W15%52009
60Suntuity4,81943.2 MW$4.23/W54%72015
61Westhaven Power4,79636.2 MW$4.23/W4%12011
62Sunworks4,728123.2 MW$3.81/W0%42008
63American Solar Elec4,69734.3 MW$3.38/W19%21999
64Sunline Energy4,61629.0 MW$3.65/W0%12012
65Posigen4,60431.6 MW$4.40/W98%42015
66La Solar Group4,58334.1 MW$3.49/W13%12012
67Igs Energy4,53224.8 MW$3.95/W99%22019
68Your Energy Solutions4,48929.8 MW$3.66/W0%32009
69Premier Solar Solutions4,38437.5 MW$4.00/W30%72009
70Solar Technologies4,36052.1 MW$4.67/W4%22001
71American Array Solar Electric4,29627.4 MW$3.64/W0%22014
72Solar Topps4,26942.9 MW$3.15/W41%12010
73Nrg Residential Solar Solutions4,26827.5 MW$3.52/W100%22012
74Sunny Energy4,25441.9 MW$4.04/W17%32008
75Current Home Solar4,25233.3 MW$4.67/W98%22019
76Sunnymac4,21141.2 MW$3.77/W50%52011
77Arcadia Solar4,18034.7 MW$4.45/W55%42011
78Roof Diagnostics Solar4,11527.3 MW$3.55/W76%42012
79Fusion Power4,08841.1 MW$4.45/W7%12020
80Technicians For Sustainability4,05843.8 MW$2.92/W0%11999
81Harmon Electric4,05140.8 MW$3.53/W51%12008
82Precis Solar4,02334.1 MW$4.20/W19%12010
83Advanced Solar Electric3,91529.0 MW$3.76/W1%41999
84The Solar Company3,90242.6 MW$5.38/W13%102002
85Clean Solar3,90225.4 MW$4.27/W2%12007
86Sunergy Construction3,87527.2 MW$3.74/W36%72004
87Icon Power3,81940.5 MW$4.00/W1%32018
88A1 Solar Power3,74017.3 MW$6.63/W6%22009
89Alternative Energy Systems3,65841.9 MW$3.99/W3%32006
90Pm And M Electric3,62936.7 MW$4.61/W2%22013
91Blalock Electric3,62327.5 MW$3.21/W9%12013
92West Coast Solar3,59926.8 MW$3.73/W8%12008
93All Season Solar Nj3,58235.2 MW86%12014
94Solar Universe3,58126.1 MW$4.16/W21%62009
95A M Sun Solar3,58131.4 MW$3.76/W3%12006
96Swss Electrical3,54225.9 MW$0.43/W72%12015
97Energy Concepts3,53631.4 MW$3.80/W8%42003
98California Solar Systems3,53524.1 MW$4.31/W30%12007
99Ambrose Solar3,52728.6 MW$4.38/W0%12017
100Milholland Electric3,52425.0 MW$5.20/W2%22009

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.