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2021 Top South Carolina Solar Contractors

This is the 2021 list of Top Solar Contractors completing work in South Carolina. The kilowatts listed as being installed in the state reflect only kilowatts installed in South Carolina in 2020. 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, sales partner).

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

The companies below are a segmented portion of the overall 2021 Top Solar Contractors list, organized by kilowatts (DC) installed in 2020.

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

South Carolina RankCompanykW Installed In South CarolinaPrimary MarketPrimary ServiceTotal kW installed in U.S. in 2020Overall Rank
1Cinterra338,881.84UtilityElectrical Subcontractor653,166.6111
2Blue Ridge Power304,850.00UtilityEPC961,485.008
3Cantsink202,250.00UtilityInstallation Subcontractor1,184,329.006
4NARENCO117,653.00UtilityEPC138,097.0034
5iSun101,657.76C&IEPC112,769.7438
6Oakwood Construction Services101,600.00UtilityEPC101,600.0041
7Alternative Energy Development100,000.00UtilityInstallation Subcontractor482,000.0018
8United Renewable Energy43,265.00UtilityEPC51,849.0058
9Watson Electrical Construction42,820.00UtilityElectrical Subcontractor217,620.0029
10Granite Industrial33,109.00UtilityInstallation Subcontractor490,629.0017
11DEPCOM Power17,200.00UtilityEPC436,100.0021
12Alder Energy Systems10,137.02C&IEPC10,238.14133
13RP Construction Services (RPCS)8,400.00UtilityInstallation Subcontractor894,268.0010
14Pure Power Contractors7,070.00UtilityEPC190,041.0030
15Sun Solar LLC7,000.00UtilityInstallation Subcontractor1,197,827.005
16J&B Solar4,250.00UtilityInstallation Subcontractor442,550.0020
17RockBridge Energy3,727.00C&IDeveloper4,675.36199
18ADT Solar3,087.29ResidentialRooftop Contractor94,959.6043
19POWERHOME Solar2,849.40ResidentialRooftop Contractor49,344.3761
20Renu Energy Solutions2,191.08ResidentialRooftop Contractor5,239.81191
21Titan Solar Power1,294.14ResidentialRooftop Contractor132,816.6935
22Radiance Solar672.00C&IEPC11,708.00125
23RC Construction Solar470.00ResidentialRooftop Contractor470.00385
24Carolina Energy Conservation402.86ResidentialRooftop Contractor402.86397
25Elevation363.90ResidentialRooftop Contractor22,244.4293
26Moxie Solar198.11ResidentialRooftop Contractor10,863.25126
27Sigora Solar177.82ResidentialRooftop Contractor18,417.14104
28Renewvia Energy100.64C&IEPC2,362.77252
29Sun Nerds45.84ResidentialSales Partner3,894.86211
30SolarTyme6.12ResidentialRooftop Contractor679.62362
31Creative Solar USA3.84ResidentialRooftop Contractor3,548.82219

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