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 . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.

National ranking

Top 100 installers

#InstallerInstallsCapacityMedian $/WTPOStatesSince
1Sunrun388,6052.8 GW$4.27/W70%191999
2Tesla Energy358,9602.9 GW$5.10/W55%201998
3Sunpower123,6151.4 GW$4.34/W20%122002
4Trinity Solar52,890418.3 MW$3.72/W76%102007
5Freedom Forever46,177416.6 MW$4.03/W44%132002
6Titan Solar45,805407.0 MW$4.40/W37%72011
7Bright Ops36,450290.3 MW$4.27/W83%62015
8Rec Commercial33,278393.8 MW$4.45/W58%72007
9Semper Solaris32,427186.3 MW$4.13/W0%12013
10Verengo26,158132.6 MW$3.91/W75%32008
11Petersendean24,513152.0 MW$3.82/W15%51999
12Sungevity Development24,254154.5 MW$3.87/W58%91999
13Infinity Energy23,675208.9 MW$4.40/W37%42010
14Baker Electric Solar22,681214.6 MW$4.17/W7%12006
15Momentum Solar20,258164.2 MW$3.44/W64%92015
16Horizon Solar Power15,930121.2 MW$3.99/W76%22010
17Leonard Roofing15,47751.7 MW$2.37/W77%12011
18Esp Contracting14,73398.2 MW$4.00/W23%12015
19Sunpower Capital13,715117.4 MW$4.60/W74%82012
20Rgs Energy13,636151.1 MW$5.74/W26%111998
21Solcius13,33882.0 MW$4.63/W19%92013
22V3 Electric12,47883.6 MW$3.84/W76%22013
23Freedom Solar12,366121.9 MW$4.10/W22%72009
24Complete Solar12,06786.7 MW$4.11/W72%82010
25Sunnova Energy11,23147.6 MW$3.75/W94%62014
26Citadel Roofing And Solar10,54151.8 MW$2.86/W0%12002
27Better Earth Electric10,46076.4 MW$5.02/W3%32017
28VENTURE HOME SOLAR LLC10,36834.7 MW$4.68/W7%52009
29Solarmax10,29081.3 MW$3.37/W13%32009
30Sullivan Solar Power9,82285.9 MW$4.31/W8%52005
31Stellar Solar9,49573.3 MW$3.98/W3%22005
32Elevation Solar9,32182.0 MW$4.05/W7%42015
33Solar Optimum Design Electrical9,24096.5 MW$2.98/W2%22005
34Renova Energy8,676101.1 MW$4.06/W42%22008
35PRO CUSTOM SOLAR LLC7,9622.4 MW0%32018
36Our World Energy7,94477.0 MW$4.58/W13%32020
37Abundant Energy Construction7,77957.4 MW$4.65/W32%12016
38American Solar Direct7,34341.3 MW$5.88/W44%32009
39Hooked On Solar7,32755.3 MW$4.35/W9%12001
40Powur Home Construction7,03965.2 MW$4.37/W8%62019
41Sun Solar Energy Solutions6,96371.6 MW$3.70/W35%12011
42SolarCity (Tesla)6,808156.5 MW$2.56/W0%102007
43Suncommon6,60077.5 MW$4.40/W5%52004
441st Light Energy6,48379.0 MW$4.04/W16%72007
45Solartech Energy Systems6,44450.5 MW$3.79/W1%41992
46Sunvalley Solar Solutions6,31256.8 MW$3.64/W19%22003
47Nexus Energy Systems6,22336.4 MW$4.64/W25%42011
48Kota Construction6,20242.3 MW$5.06/W0%12020
49Quality Homes Services6,11551.3 MW$4.05/W11%12010
50Vision Solar6,03947.1 MW$3.83/W53%72014
51Direct Energy Solar Formerly Astrum5,89955.3 MW$3.89/W18%62010
52Future Energy Corporation5,71630.0 MW$6.24/W0%22006
53Empower Electric5,50038.4 MW$5.26/W1%22008
54Bland Company5,44449.0 MW$3.36/W3%12007
55Solgen Electric5,35540.5 MW$5.49/W3%22009
56Sunstreet Energy Group5,23315.8 MW$3.28/W92%22014
57Nrg Clean Energy5,19936.2 MW$3.56/W0%22012
58Vivint Solar5,135193.7 MW$2.20/W0%122013
59Sunpro Solar5,02841.8 MW$4.61/W9%72009
60Solar Negotiators4,98149.4 MW$3.64/W0%12013
61Smart Energy Usa4,90133.0 MW$4.16/W53%12010
62Kuubix Energy4,90036.4 MW$4.61/W22%32017
63Suntuity4,81943.2 MW$4.23/W54%72015
64Sunworks4,808140.7 MW$3.80/W0%41991
65Westhaven Power4,79736.3 MW$4.23/W4%12011
66Premier Solar Solutions4,79442.3 MW$4.00/W28%82009
67Sunline Energy4,74429.4 MW$3.65/W0%12012
68American Solar Elec4,73434.4 MW$3.38/W19%21999
69Solar Topps4,67745.2 MW$3.15/W37%12010
70La Solar Group4,62334.4 MW$3.48/W13%12012
71Ion Developer4,60830.4 MW$4.00/W0%62016
72Posigen4,60631.7 MW$4.40/W98%52015
73Igs Energy4,53224.8 MW$3.95/W99%22019
74Your Energy Solutions4,49830.6 MW$3.66/W0%32009
75Solar Technologies4,46467.7 MW$4.65/W4%22001
76Sunnymac4,45341.9 MW$3.77/W47%52011
77Harmon Electric4,32742.2 MW$3.53/W48%12008
78Sunny Energy4,30842.1 MW$4.04/W17%32008
79American Array Solar Electric4,29827.5 MW$3.64/W0%22014
80Nrg Residential Solar Solutions4,26827.5 MW$3.52/W100%22012
81Current Home Solar4,25733.3 MW$4.67/W98%22019
82Adt Solar4,25638.5 MW$4.20/W0%112019
83Icon Power4,25643.4 MW$4.00/W1%42018
84Sea Bright Solar4,22136.9 MW$4.06/W19%32007
85Arcadia Solar4,18034.7 MW$4.45/W55%42011
86Roof Diagnostics Solar4,11527.3 MW$3.55/W76%42012
87Fusion Power4,09041.1 MW$4.45/W7%12020
88Technicians For Sustainability4,05843.8 MW$2.92/W0%11999
89Precis Solar4,02734.7 MW$4.20/W19%12010
90Brooklyn Solarworks3,96612.9 MW$6.87/W0%22016
91The Solar Company3,93446.9 MW$5.38/W13%102002
92Advanced Solar Electric3,91729.1 MW$3.76/W1%41999
93Clean Solar3,90325.5 MW$4.27/W2%12007
94Sunergy Construction3,89327.3 MW$3.74/W36%72004
95A1 Solar Power3,74317.4 MW$6.63/W6%22009
96Sunsolar Solutions3,73545.5 MW$4.23/W9%32017
97Alternative Energy Systems3,69845.9 MW$3.99/W2%32006
98Blalock Electric3,65327.6 MW$3.21/W8%12013
99CENTURION SOLAR ENERGY3,6431.5 MW$3.98/W0%32013
100Pm And M Electric3,62936.7 MW$4.61/W2%22013

Frequently asked questions

Who are the biggest solar installers in the United States?

By recorded installations: 1. Sunrun (388,605), 2. Tesla Energy (358,960), 3. Sunpower (123,615), 4. Trinity Solar (52,890), 5. Freedom Forever (46,177). Rankings reflect recorded public-data coverage (3,941,331 systems), not total company sales.

How is this ranking calculated?

Free-text installer names across 3,941,331 public installation records are resolved into 32,870 canonical companies by conservative exact-normalized matching (no fuzzy merging), then ranked by recorded install count. Full method on the methodology page.