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2020 Top Illinois Solar Contractors

This is the 2020 list of Top Solar Contractors completing work in Illinois. The kilowatts listed as being installed in the state reflect only kilowatts installed in Illinois in 2019. Companies listed on this state list could be headquartered in other states, participate in any market (residential, commercial, utility) and provide any installation service (EPC, developer, rooftop solar installer, installation subcontractor, electrical subcontractor).

The listed kilowatts installed by each company in Illinois could come from installations in all markets (residential, commercial, utility) but only within Illinois state lines.

The companies below are a segmented portion of the overall 2020 Top Solar Contractors list, organized by kilowatts (DC) installed in 2019.

For more information on Solar Power World‘s annual Top Solar Contractors list and additional sublists, visit our Top Solar Contractors landing page.

Illinois RankCompanykW Installed In IllinoisPrimary MarketPrimary ServiceTotal kW installed in U.S. in 2019Overall Rank
1Sun Solar LLC15,500.00UtilityInstallation Subcontractor834,446.14
2Continental Energy Solutions13,371.10CommercialEPC13,629.1101
3Rethink Electric7,986.20CommercialEPC7,986.2131
4Nelnet Renewable Energy7,215.30CommercialEPC10,136.4112
5Moxie Solar6,020.90ResidentialEPC8,731.4121
6Fosler Construction Co.5,820.20CommercialEPC5,820.2154
7StraightUp Solar4,769.10ResidentialEPC7,292.2134
8SunVest Solar4,368.20CommercialDeveloper16,226.992
9LightWave Solar3,138.10CommercialEPC5,097.6164
10SunPeak2,895.90CommercialEPC4,954.5166
11Bright Planet Solar2,591.90ResidentialRooftop Contractor24,469.174
12Eagle Point Solar2,287.90ResidentialEPC5,962.9150
13RP Construction Services (RPCS)2,250.00UtilityInstallation Subcontractor369,691.013
14Melink Solar2,105.40CommercialEPC27,266.869
15Sun Badger Solar2,096.90ResidentialDeveloper3,160.0207
16J. Ranck Electric2,010.00UtilityEPC50,294.046
17Windfree Solar1,821.10CommercialEPC1,821.1260
18Blue Sky Solar Co.1,732.60CommercialEPC7,266.6135
19Tick Tock Energy1,659.70ResidentialRooftop Contractor1,659.7268
20A.M. Kerns Construction1,589.10ResidentialInstallation Subcontractor1,589.1275
21Pivot Energy1,544.90CommercialDeveloper21,301.981
22EFS Energy1,449.10CommercialEPC2,445.8227
23Simpleray1,433.30CommercialEPC5,934.1151
24Harvest Solar1,122.30CommercialEPC6,287.7145
25Fresh Coast Solar1,035.80ResidentialRooftop Contractor1,035.8317
26POWERHOME Solar1,008.30ResidentialRooftop Contractor37,801.056
27GenRenew804.80ResidentialRooftop Contractor3,140.5208
28Coastal Solar Power630.60CommercialEPC874.4332
29Cantsink553.00CommercialInstallation Subcontractor398,878.011
30Freedom Forever445.30ResidentialRooftop Contractor42,704.153
31Inovateus Solar390.60UtilityDeveloper14,317.097
32Arch375.00ResidentialRooftop Contractor14,823.095
33Empire Solar Group126.30ResidentialRooftop Contractor11,379.2108
34Sigora Solar59.80ResidentialRooftop Contractor12,717.3104
35Yellowlite54.60ResidentialRooftop Contractor2,083.4244
36SunRenu Solar36.00CommercialEPC3,530.2200
37ECG Solar15.20ResidentialRooftop Contractor1,966.8249

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