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 Rank	Company	kW Installed In South Carolina	Primary Market	Primary Service	Total kW installed in U.S. in 2020	Overall Rank
1	Cinterra	338,881.84	Utility	Electrical Subcontractor	653,166.61	11
2	Blue Ridge Power	304,850.00	Utility	EPC	961,485.00	8
3	Cantsink	202,250.00	Utility	Installation Subcontractor	1,184,329.00	6
4	NARENCO	117,653.00	Utility	EPC	138,097.00	34
5	iSun	101,657.76	C&I	EPC	112,769.74	38
6	Oakwood Construction Services	101,600.00	Utility	EPC	101,600.00	41
7	Alternative Energy Development	100,000.00	Utility	Installation Subcontractor	482,000.00	18
8	United Renewable Energy	43,265.00	Utility	EPC	51,849.00	58
9	Watson Electrical Construction	42,820.00	Utility	Electrical Subcontractor	217,620.00	29
10	Granite Industrial	33,109.00	Utility	Installation Subcontractor	490,629.00	17
11	DEPCOM Power	17,200.00	Utility	EPC	436,100.00	21
12	Alder Energy Systems	10,137.02	C&I	EPC	10,238.14	133
13	RP Construction Services (RPCS)	8,400.00	Utility	Installation Subcontractor	894,268.00	10
14	Pure Power Contractors	7,070.00	Utility	EPC	190,041.00	30
15	Sun Solar LLC	7,000.00	Utility	Installation Subcontractor	1,197,827.00	5
16	J&B Solar	4,250.00	Utility	Installation Subcontractor	442,550.00	20
17	RockBridge Energy	3,727.00	C&I	Developer	4,675.36	199
18	ADT Solar	3,087.29	Residential	Rooftop Contractor	94,959.60	43
19	POWERHOME Solar	2,849.40	Residential	Rooftop Contractor	49,344.37	61
20	Renu Energy Solutions	2,191.08	Residential	Rooftop Contractor	5,239.81	191
21	Titan Solar Power	1,294.14	Residential	Rooftop Contractor	132,816.69	35
22	Radiance Solar	672.00	C&I	EPC	11,708.00	125
23	RC Construction Solar	470.00	Residential	Rooftop Contractor	470.00	385
24	Carolina Energy Conservation	402.86	Residential	Rooftop Contractor	402.86	397
25	Elevation	363.90	Residential	Rooftop Contractor	22,244.42	93
26	Moxie Solar	198.11	Residential	Rooftop Contractor	10,863.25	126
27	Sigora Solar	177.82	Residential	Rooftop Contractor	18,417.14	104
28	Renewvia Energy	100.64	C&I	EPC	2,362.77	252
29	Sun Nerds	45.84	Residential	Sales Partner	3,894.86	211
30	SolarTyme	6.12	Residential	Rooftop Contractor	679.62	362
31	Creative Solar USA	3.84	Residential	Rooftop Contractor	3,548.82	219

South Carolina Rank

Company

kW Installed In South Carolina

Primary Market

Primary Service

Total kW installed in U.S. in 2020

Overall Rank

Cinterra

338,881.84

Utility

Electrical Subcontractor

653,166.61