2021 Top Massachusetts Solar Contractors

This is the 2021 list of Top Solar Contractors completing work in Massachusetts. The kilowatts listed as being installed in the state reflect only kilowatts installed in Massachusetts 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 Massachusetts could come from installations in all markets (residential, commercial, utility) but only within Massachusetts 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.

Massachusetts Rank	Company	kW Installed In Massachusetts	Primary Market	Primary Service	Total kW installed in U.S. in 2020	Overall Rank
1	ACE Solar	76,832.91	Residential	Rooftop Contractor	84,463.85	48
2	Borrego	75,899.00	Utility	EPC	255,896.31	26
3	CS Energy	72,400.00	Utility	EPC	188,400.00	31
4	AES Clean Energy	43,300.00	Utility	Developer	526,180.00	14
5	Nexamp	36,505.92	C&I	Developer	127,509.32	36
6	M.L. Schmitt	18,700.11	C&I	Electrical Subcontractor	20,288.67	100
7	Solect Energy	15,741.65	C&I	Developer	18,109.79	105
8	Dynamic Energy	15,554.44	C&I	EPC	20,573.34	99
9	Trinity Solar	15,215.47	Residential	Rooftop Contractor	87,186.94	46
10	Navisun	13,692.00	C&I	Developer	27,319.00	85
11	PowerFlex	12,004.54	C&I	Developer	59,290.47	57
12	AUI Partners	9,700.00	C&I	EPC	232,210.00	28
13	Standard Solar	9,461.53	C&I	Developer	85,183.65	47
14	Invaleon Solar	7,005.55	C&I	EPC	7,039.40	164
15	DMH Services	5,080.00	C&I	Installation Subcontractor	41,852.91	69
16	Boston Solar	4,543.66	Residential	Rooftop Contractor	4,543.66	203
17	RP Construction Services (RPCS)	4,257.00	Utility	Installation Subcontractor	894,268.00	10
18	CTEC Solar	3,420.00	C&I	EPC	19,355.49	102
19	Skyline Solar	3,071.92	Residential	Rooftop Contractor	8,417.65	147
20	NextGrid	2,672.12	C&I	Developer	6,389.67	178
21	Bright Planet Solar	2,136.53	Residential	EPC	42,079.98	68
22	Solaris Renewables	2,008.37	Residential	Rooftop Contractor	2,039.07	265
23	My Generation Energy	1,980.93	Residential	Installation Subcontractor	1,980.93	268
24	ReVision Energy	1,855.24	Residential	Rooftop Contractor	27,507.83	84
25	Vision Solar	1,762.59	Residential	Installation Subcontractor	22,497.12	92
26	PV Squared	1,704.74	Residential	Rooftop Contractor	1,704.74	281
27	AFC Solar	1,336.14	C&I	Installation Subcontractor	3,875.76	212
28	Resonant Energy	1,225.69	C&I	Developer	1,311.55	310
29	Southern Light Solar	992.37	C&I	EPC	1,000.75	333
30	Aegis Renewable Energy	945.00	C&I	EPC	4,201.95	206
31	Mass Renewables	748.69	Residential	Rooftop Contractor	791.27	351
32	Freedom Forever	688.68	Residential	Rooftop Contractor	92,041.76	45
33	Brightstar Solar	598.57	Residential	Rooftop Contractor	612.85	371
34	Solar Renewable Energy	414.40	C&I	Developer	12,019.03	124
35	M Bar C Construction	281.82	C&I	Installation Subcontractor	101,637.84	40
36	Greenfield Solar	241.96	Residential	Rooftop Contractor	241.96	411
37	Baja Construction	160.36	C&I	Installation Subcontractor	33,080.56	82
38	SolareAmerica	103.60	C&I	EPC	2,854.42	236
39	Independent Power Systems	100.40	Residential	Rooftop Contractor	2,251.07	255
40	Zapotec Energy	66.10	C&I	EPC	1,102.90	322
41	Zenernet	58.09	Residential	Sales Partner	2,515.61	248
42	Sun Nerds	4.65	Residential	Sales Partner	3,894.86	211

Massachusetts Rank

Company

kW Installed In Massachusetts

Primary Market

Primary Service

Total kW installed in U.S. in 2020

Overall Rank

ACE Solar

76,832.91

Residential

Rooftop Contractor

84,463.85