Solar Power World

★ 2026 Top Solar Contractors

2026 Top Commercial Solar Contractors

This is the 2026 list of Top Solar Contractors completing work in the commercial, industrial and municipal markets. The listed kilowatts installed by each company on this Commercial Contractor list were only installed within the commercial, industrial and municipal markets. Companies could also be listed on additional market lists with their installation numbers within those respective markets reflected on those lists.

Contractors chose their “primary project installation type” for the C&I market, either rooftop or ground-mount. While Solar Power World is not providing project-type sublists, these secondary identifiers can be used as additional sorting tools when reviewing market lists.

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.

C&I RankCompanyOverall RankHQ StatePrimary ServicePrimary Project TypeC&I kW Installed in 2025Total kW Installed in 2025
1Teichert Solar50CaliforniaInstallation SubcontractorGround-mount114,429.72114,429.72
2DCE Services51North CarolinaInstallation SubcontractorRooftop111,895.30111,895.30
3Solar Landscape52New JerseyDeveloperRooftop101,371.03101,371.03
4MARS Energy Group49CaliforniaEPCRooftop80,661.14121,178.43
5M Bar C Construction60CaliforniaInstallation SubcontractorGround-mount72,476.1372,476.13
6Pine Energy63GeorgiaInstallation SubcontractorGround-mount63,416.1763,416.17
7Greenskies Clean Energy66ConnecticutDeveloperRooftop54,679.0660,048.16
8Helix Electric72CaliforniaEPCRooftop53,338.2453,338.24
9Elite Electric74CaliforniaEPCGround-mount49,853.5350,906.90
10MBL-Energy82CaliforniaEPCGround-mount43,721.5043,721.50
11Sunstall73CaliforniaInstallation SubcontractorGround-mount43,638.3350,989.94
12ACE Solar83MassachusettsEPCGround-mount43,572.6843,572.68
13ECCS84North CarolinaInstallation SubcontractorGround-mount43,550.0043,550.00
14ForeFront Power87CaliforniaDeveloperRooftop41,670.5741,670.57
15Motive Energy90CaliforniaEPCRooftop39,827.5039,827.50
16Catalyze42ColoradoDeveloperRooftop39,762.45154,357.47
17New Era Electric91CaliforniaElectrical SubcontractorRooftop39,490.0039,490.00
18Got Electric92MarylandElectrical SubcontractorRooftop38,632.4538,632.45
19SunVest Solar64IllinoisDeveloperRooftop36,820.0062,640.00
20Scenic Hill Solar97ArkansasDeveloperGround-mount31,722.2431,722.24
21Big Shine Energy98New YorkEPCRooftop31,200.0031,200.00
22Utiliforce77MarylandElectrical SubcontractorGround-mount30,971.7748,159.77
23Sole Contracting55DelawareInstallation SubcontractorGround-mount30,629.8683,483.99
24Baja Construction102CaliforniaEPCGround-mount28,059.8228,059.82
25MVE Group103PennsylvaniaElectrical SubcontractorGround-mount27,317.3227,317.32
26Solar Renewable Energy104PennsylvaniaDeveloperGround-mount26,160.6026,160.60
27iBuild Solar106PennsylvaniaInstallation SubcontractorGround-mount25,914.0725,914.07
28dGEN Energy Partners107WyomingDeveloperRooftop24,409.0024,409.00
29Coldwell Energy108CaliforniaEPCGround-mount24,228.4824,228.48
30SOLV Energy5CaliforniaEPCGround-mount24,000.002,500,000.00
31Core Development Group95New JerseyEPCRooftop23,578.3034,978.30
32Paradise Energy Solutions105PennsylvaniaEPCRooftop23,515.8126,096.21
33ReVision Energy88MaineInstallerRooftop21,165.8541,030.23
34Pickett Solar111CaliforniaEPCGround-mount20,916.0220,916.02
35Solar Mounts93MichiganInstallation SubcontractorGround-mount20,839.6737,975.97
36Collins Electrical115CaliforniaEPCGround-mount20,623.2120,623.21
37Veregy116ArizonaEPCRooftop20,436.5020,436.50
38Commercial Solar Arizona118ArizonaEPCRooftop19,989.3319,989.33
39Axis Energy121North CarolinaEPCGround-mount19,360.2219,360.22
40Newport Power125CaliforniaEPCRooftop17,743.0017,772.00
41Cedar Creek Energy109MinnesotaEPCRooftop17,143.8924,184.50
42Advanced Green Technologies127FloridaEPCRooftop17,107.9017,107.90
43Sunrise Power Solutions128New YorkEPCRooftop17,076.2117,076.21
44Continental Energy Solutions110IllinoisEPCRooftop16,912.3422,646.02
45BEI Construction26CaliforniaElectrical SubcontractorGround-mount16,531.26404,313.56
46Renewable Energy Partners132CaliforniaDeveloperRooftop16,106.9216,106.92
47Ideal Energies137MinnesotaEPCRooftop15,264.4115,264.41
48DMH Services78PennsylvaniaInstallation SubcontractorGround-mount14,310.5546,577.55
49Standard Solar41MarylandDeveloperGround-mount13,976.74156,901.70
50Baker Electric36CaliforniaElectrical SubcontractorRooftop13,042.80230,690.80
51Ideal Energy79IowaElectrical SubcontractorRooftop12,106.5045,613.40
52Enerlogics153OhioDeveloperRooftop11,835.0011,835.00
53REC Power154CaliforniaDeveloperGround-mount11,368.7311,368.73
54Tenco Solar155CaliforniaEPCRooftop11,058.5411,058.54
55Pivot Energy47ColoradoDeveloperRooftop10,965.56126,628.24
56SitelogIQ156MinnesotaEPCGround-mount10,931.8510,931.85
57StraightUp Solar146MissouriEPCRooftop10,283.2212,576.29
58Melink Solar76OhioEPCRooftop10,280.5549,150.55
59Hunt Electric61MinnesotaElectrical SubcontractorGround-mount9,779.5668,574.56
60Arch67WisconsinInstallerRooftop9,479.2158,673.89
61Brightergy172MissouriEPCRooftop8,745.568,745.56
62StarAlt Solar173TexasEPCRooftop8,510.058,510.05
63ESA175FloridaDeveloperRooftop8,427.008,427.00
64Stellar Solar150CaliforniaInstallerRooftop8,378.3612,207.82
65Artisun Solar179KansasInstallerRooftop8,150.738,150.73
66Earthlight Technologies114ConnecticutInstallerRooftop8,032.5020,708.11
67Montante Solar101New YorkEPCGround-mount7,809.7028,515.10
68SunPeak183WisconsinEPCRooftop7,747.007,747.00
69LightWave Solar178TennesseeEPCGround-mount7,625.138,168.76
70Solar Technologies162CaliforniaEPCRooftop7,614.029,985.76
71Garber Electrical Contractors186OhioElectrical SubcontractorGround-mount7,480.417,480.41
72Colite Technologies191South CarolinaEPCRooftop7,055.237,055.23
7393Energy134IllinoisEPCRooftop7,032.1015,953.18
74ArchKey Solutions194MissouriElectrical SubcontractorRooftop6,661.406,661.40
75Eagle Point Solar147IowaInstallerRooftop6,646.5312,355.71
76New Energy Equity54MarylandDeveloperRooftop6,621.3285,831.87
77TMI Energy Solutions196OhioElectrical SubcontractorGround-mount6,608.186,608.18
78Axium Solar28TexasEPCGround-mount6,507.00389,227.04
79Radiance Solar117GeorgiaEPCRooftop6,312.6020,105.32
80Verde Solutions198IllinoisEPCRooftop6,232.376,232.37
81Brightwell201OklahomaDeveloperRooftop6,147.166,147.16
82Commonwealth Solar200KentuckyInstallerRooftop5,912.356,154.36
83Axis Solar207TexasEPCRooftop5,841.455,841.45
84Westphal & Co.30WisconsinElectrical SubcontractorGround-mount5,773.40352,109.40
85Pieper Electric145WisconsinElectrical SubcontractorRooftop5,758.5212,635.52
86Ameresco86MassachusettsDeveloperGround-mount5,704.0042,417.00
87Citadel Roofing & Solar68CaliforniaInstallerRooftop5,617.4858,391.64
88A&R Solar168WashingtonInstallerRooftop5,602.769,451.09
89Fresh Coast Solar176IllinoisInstallerRooftop5,401.148,326.13
90Commonwealth Power129VirginiaElectrical SubcontractorRooftop5,355.8916,560.25
91Solar One212TexasDeveloperRooftop5,310.465,310.46
92Sun Light & Power206CaliforniaEPCRooftop5,177.845,956.38
93Silicon Ranch23TennesseeDeveloperGround-mount5,000.00516,000.00
94Ferguson Electric46New YorkElectrical SubcontractorGround-mount5,000.00136,479.00
95OnSite Solar99New YorkEPCGround-mount4,990.0029,454.00
96Big Sun Solar219TexasEPCRooftop4,794.974,794.97
97Accord Power221New YorkEPCRooftop4,736.054,736.05
98EIS Solar182PennsylvaniaInstallerRooftop4,696.887,817.97
99Renewable Energy Evolution224IllinoisDeveloperGround-mount4,565.834,565.83
100Harmon Electric188ArizonaInstallerGround-mount4,564.737,378.62
101Advanced Solar Products229New JerseyEPCGround-mount4,316.004,316.00
102Guarantee Electrical238MissouriInstallerRooftop4,119.714,119.71
103All Energy Solar130MinnesotaInstallerRooftop4,046.2416,404.09
104BPi243CaliforniaEPCRooftop3,964.613,964.61
1051 Source Solar208IowaInstallerRooftop3,911.725,601.11
106American Solar Power245CaliforniaInstallation SubcontractorRooftop3,791.333,791.33
107Centrica Business Solutions255New YorkEPCRooftop3,499.033,499.03
108Obodo Energy Partners253ArizonaEPCGround-mount3,491.683,544.18
109National Energy Control258OhioDeveloperRooftop3,450.003,450.00
110mtvSolar237West VirginiaInstallerRooftop3,423.204,142.54
111Arevon Energy13ArizonaDeveloperRooftop3,355.00886,865.00
112RevoluSun Smart Home181HawaiiEPCRooftop3,322.737,995.94
113O3 Energy260TexasDeveloperRooftop3,293.783,293.78
114Solar Alternatives211LouisianaEPCRooftop3,197.075,312.10
115TerraSol Energies239PennsylvaniaEPCRooftop3,143.964,061.00
116PSG Energy Group265IndianaEPCRooftop3,126.133,126.13
117Dynamic Energy185PennsylvaniaDeveloperRooftop3,083.087,633.00
118Solar Electric Freedom259ArizonaEPCRooftop3,082.713,305.36
119Treepublic143CaliforniaInstallerRooftop2,971.8113,643.37
120LiveWire Construction141IllinoisElectrical SubcontractorRooftop2,961.0013,981.00
121SUNation Energy139New YorkInstallerRooftop2,957.9614,895.95
122Transform Solar203FloridaInstallerRooftop2,900.066,071.86
123HSI Solar271IndianaDeveloperGround-mount2,868.732,868.73
124Sun Valley Solar Solutions220ArizonaInstallerGround-mount2,868.184,751.18
125Newport Renewables272Rhode IslandEPCRooftop2,817.592,817.59
126Sunspear Energy199HawaiiInstallerRooftop2,788.326,193.05
127Harvest Power190New YorkInstallerRooftop2,739.527,129.39
128Aegis Renewable Energy275VermontEPCGround-mount2,645.232,645.23
129Iconic Energy225IllinoisInstallerRooftop2,608.484,547.91
130Good Energy Solutions246KansasInstallerRooftop2,576.253,760.74
131Michigan Solar Solutions250MichiganInstallerRooftop2,572.763,663.83
132Emergent Solar Energy277IndianaEPCGround-mount2,568.512,568.51
133Aurora Energy283MarylandEPCRooftop2,399.152,399.15
134Elemental Energy223OregonInstallerRooftop2,369.144,660.19
135Solar Holler174West VirginiaInstallerRooftop2,247.528,450.21
136Envinity261PennsylvaniaInstallerRooftop2,196.303,202.45
137Renu Energy Solutions170North CarolinaInstallerRooftop2,173.049,062.24
138GreenSpark Solar65New YorkEPCRooftop2,084.5461,863.82
139Solar Optimum112CaliforniaEPCRooftop2,030.0020,912.11
140Western Solar230WashingtonInstallerRooftop2,011.024,308.97
141BriteStreet228ColoradoInstallerGround-mount1,900.824,410.15
142Windfree Solar202IllinoisEPCRooftop1,871.676,087.37
143Cromwell Solar289KansasInstallerRooftop1,844.112,287.40
144SunRenu Solar302ArizonaEPCRooftop1,813.001,813.00
145Positive Energy Solar218New MexicoInstallerRooftop1,792.354,812.33
146Sandbar Solar279CaliforniaEPCRooftop1,784.952,519.10
147Namaste Solar187ColoradoInstallerRooftop1,780.447,440.76
148IPOWER Alliance306ColoradoEPCGround-mount1,765.471,765.47
149Bombard Renewable Energy304NevadaInstallerRooftop1,730.721,794.66
150Renewable America124CaliforniaDeveloperRooftop1,703.5517,992.05
151Renewable America Services136CaliforniaEPCRooftop1,703.5515,406.00
152Solar Alliance Southeast309TennesseeEPCRooftop1,684.481,684.48
153Creative Energies276WyomingInstallerRooftop1,678.312,603.62
154Yes Solar Solutions242North CarolinaInstallerRooftop1,604.453,965.13
155Lumina Solar119MarylandInstallerRooftop1,555.9019,969.99
1568MSolar138North CarolinaEPCRooftop1,547.3615,009.95
157Sunpath Solar284GeorgiaInstallerRooftop1,531.242,371.83
158Midwest Solar Installers278IowaInstallerRooftop1,467.912,521.75
159Ethos Green Power Cooperative303WisconsinInstallerGround-mount1,358.181,810.90
160Alternative Energy Southeast288GeorgiaInstallerRooftop1,303.212,307.98
161OE Solar331New MexicoEPCGround-mount1,212.901,212.90
162King Solar295KansasEPCRooftop1,189.552,071.03
163Exact Solar244PennsylvaniaInstallerRooftop1,180.913,956.78
164CB Solar311IowaEPCGround-mount1,126.691,644.81
165Casey Electric96IndianaElectrical SubcontractorGround-mount1,113.0033,977.27
166PurePoint Energy340ConnecticutEPCRooftop1,081.501,081.50
167EGT Solar266IdahoInstallerRooftop1,070.503,119.29
168Fesco Energy343MarylandDeveloperRooftop1,056.801,056.80
169Cape Fear Energy Systems214North CarolinaInstallerRooftop1,015.505,096.83
170J.F. Electric27IllinoisElectrical SubcontractorRooftop1,000.00394,829.00
171Tick Tock Energy329IllinoisEPCGround-mount991.901,283.23
172PPM Solar323FloridaInstallerGround-mount979.021,417.05
173Brilliant Harvest336FloridaInstallerRooftop975.171,149.31
174Sol-Up140NevadaInstallerGround-mount973.0814,098.69
175Resonant Energy280MassachusettsDeveloperRooftop915.972,468.75
176My Generation Energy247MassachusettsInstallerRooftop876.393,750.80
177NRGTree350MassachusettsEPCRooftop848.89962.34
178ECG Solar215IowaInstallerRooftop847.685,018.77
179Gold Path Solar226OhioInstallerRooftop827.294,532.92
180Sol Luna Solar296New MexicoEPCRooftop805.382,056.89
181Tron Solar167IllinoisInstallerRooftop803.409,488.75
182Mayer166TexasInstallerRooftop770.499,659.15
183PPC Solar344New MexicoEPCGround-mount769.991,050.85
184OnSite Energy291MontanaInstallerRooftop751.112,238.57
185Source Solar263IllinoisInstallerRooftop724.683,166.61
186NC Solar Now164North CarolinaInstallerRooftop715.059,773.65
187Solar Source100FloridaEPCRooftop714.0529,162.07
188True Energy Systems268IowaInstallerRooftop644.723,029.19
189Lightspring361North DakotaEPCRooftop617.07617.07
190TruNorth Solar292MinnesotaInstallerRooftop604.422,173.93
191Equinox Renewable Energy363New JerseyEPCRooftop604.00604.00
192PV Squared274MassachusettsInstallerRooftop597.402,658.93
193Energy Concepts352WisconsinInstallerRooftop588.52869.79
194Brooklyn SolarWorks222New YorkEPCRooftop586.884,688.85
195Stateline Solar282IllinoisInstallerRooftop586.822,401.55
196Independent Power281ColoradoEPCRooftop585.722,464.44
197North State Solar Energy351CaliforniaInstallerGround-mount580.18889.16
198Puget Sound Solar270WashingtonInstallerRooftop580.172,908.76
199Cascade Solar335OregonInstallerRooftop572.261,151.28
200Long Island Power Solutions165New YorkInstallerRooftop569.799,692.95
201Entegrity Energy Partners365ArkansasDeveloperRooftop547.88547.88
202360 Electric320IllinoisInstallerRooftop542.261,475.33
203Energy Solutions358IowaInstallerGround-mount539.24744.59
204Ambrose Solar232CaliforniaInstallerRooftop536.694,293.21
205SolarTech204CaliforniaInstallerRooftop536.006,019.47
206E2 Solar321OregonInstallerRooftop513.121,475.20
207Sun Solar192MissouriInstallerRooftop500.926,899.02
208Sugar Hollow Solar251North CarolinaInstallerRooftop487.913,652.61
209Simply Solar240CaliforniaInstallerRooftop484.074,049.12
210Hello Sunray370OhioInstallerRooftop465.06465.06
211Atlasta Solar Center300ColoradoInstallerGround-mount445.912,016.58
212Maine Solar Solutions217MaineInstallerRooftop412.994,852.66
213A.M. Sun Solar286CaliforniaInstallerRooftop391.412,323.56
214Sunbridge Solar322WashingtonInstallerRooftop387.691,443.73
215West Texas Solar341TexasInstallerRooftop386.001,074.78
216Pennsylvania Solar Energy Co.297PennsylvaniaInstallerRooftop382.212,030.24
217Sandbox Solar269ColoradoInstallerRooftop381.622,927.86
218Freedom Energy257MontanaInstallerRooftop345.053,453.55
219Ecological Systems359New JerseyInstallerRooftop343.00725.08
2201Earth Solar209IllinoisInstallerRooftop326.895,523.59
221Valley Solar241MassachusettsInstallerRooftop321.164,010.09
222Sunwise Energy213New JerseyInstallerRooftop314.395,266.75
223Norwich Solar123VermontEPCGround-mount302.9418,713.74
224Kasselman Solar205New YorkInstallerRooftop299.115,994.96
225Island Pacific Energy327HawaiiInstallerRooftop287.931,294.17
226MC Power Companies377MissouriEPCRooftop272.30272.30
227American Sentry Solar231MarylandInstallerRooftop268.524,298.18
228Forme Solar Electric310CaliforniaInstallerRooftop264.321,646.96
229Alaska Solar313AlaskaInstallerRooftop264.001,586.09
230Helio GreenTech347MissouriInstallerRooftop259.601,026.75
231Cantsink33GeorgiaInstallation SubcontractorGround-mount259.20263,259.20
232ISO Solar318Puerto RicoInstallerRooftop218.301,485.03
233Solterra Solar298WashingtonInstallerRooftop215.562,027.89
234South Sound Solar348WashingtonInstallerRooftop205.761,001.88
235Morton Solar360IndianaInstallerRooftop188.43640.81
236Sunsense Solar334ColoradoEPCRooftop180.221,154.32
237Symmetric Energy366CaliforniaInstallerRooftop159.09493.60
238Belmont Solar353PennsylvaniaInstallerRooftop143.81867.72
239Solar-Fit357FloridaInstallerRooftop141.09781.06
240CKR Solar346FloridaInstallerRooftop131.851,034.18
241Capital Energy142ArizonaInstallerRooftop104.5813,823.56
242Nickels Energy Solutions362New YorkInstallerRooftop103.32615.57
243Palomar Solar & Roofing338CaliforniaInstallerRooftop93.501,099.57
244Solarsimple325VirginiaInstallerGround-mount82.491,303.12
245SGE Solar287MassachusettsInstallerRooftop78.862,316.97
246J. Ranck Electric48MichiganEPCGround-mount74.88125,258.76
247Next Generation Solar69New YorkInstallation SubcontractorRooftop68.6356,496.67
248Ocean Solar381New JerseyInstallerRooftop31.98214.41

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