2024 Top Massachusetts Solar Contractors

This is the 2024 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 2023. Companies listed on this state list could be headquartered in other states, participate in any market (residential, commercial, community solar, utility) and provide any installation service (EPC, developer, 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, community solar, utility) but only within Massachusetts state lines.

The companies below are a segmented portion of the overall 2024 Top Solar Contractors List, organized by kilowatts (DC) installed in 2023.

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

Massachusetts Rank	Company	kW Installed In Massachusetts	Primary Market	Primary Service	Total kW installed in U.S. in 2023	Overall Rank
1	ACE Solar	30,294.88	Res & Com	EPC	74,319.81	60
2	DCE Services	28,289.71	C&I	Installer	101,291.48	47
3	Trinity Solar	28,230.27	Residential	Installer	164,918.54	42
4	Quanta Services	23,308.52	Utility	EPC	2,233,632.40	4
5	Nexamp	21,753.20	Community Solar	Developer	225,408.00	36
6	Freedom Forever	16,024.07	Residential	Installer	368,990.66	27
7	Louth Callan Renewables	13,100.00	Utility	EPC	97,088.46	50
8	Solect Energy	11,620.85	C&I	Developer	13,332.53	142
9	Mill Creek Renewables	10,690.00	Utility	EPC	525,828.90	22
10	Momentum Solar	8,882.21	Residential	Installer	115,385.39	46
11	Skyline Solar	8,382.96	Residential	Installer	19,582.52	121
12	AUI Partners	7,000.00	C&I	EPC	147,150.00	43
13	PowerFlex	6,660.00	C&I	EPC	58,433.00	69
14	Standard Solar	4,960.04	C&I	Developer	29,497.29	103
15	SolarFlair Energy	4,778.48	Residential	Installer	4,778.48	217
16	NRGTree	4,733.80	C&I	EPC	5,163.14	214
17	Dynamic Energy	4,360.00	C&I	EPC	8,110.81	174
18	Ameresco	3,350.00	C&I	Developer	92,370.70	52
19	ReVision Energy	3,345.99	Res & Com	Installer	45,508.66	82
20	Solaris Renewables	2,393.48	Residential	Installer	2,540.48	257
21	My Generation Energy	2,363.38	Residential	Installer	2,363.38	266
22	SGE Solar	2,256.39	Residential	Installer	2,343.34	268
23	PV Squared	2,120.90	Residential	Installer	2,120.90	282
24	New England Clean Energy	1,704.19	Residential	Installer	2,365.27	265
25	All Energy Solar	1,149.83	Res & Com	Installer	19,143.74	124
26	Resonant Energy	955.80	C&I	Developer	1,097.30	331
27	Brightstar Solar	730.35	Residential	Installer	730.35	356
28	Greenfield Solar	434.19	Residential	Installer	434.19	374
29	M Bar C Construction	140.70	C&I	Installation Subcontractor	94,494.20	51
30	Pivot Energy	118.00	Community Solar	Developer	19,711.60	120
31	Green Earth Roofing Solutions	97.00	Res & Com	Installer	751.00	354

Massachusetts Rank

Company

kW Installed In Massachusetts

Primary Market

Primary Service

Total kW installed in U.S. in 2023

Overall Rank

ACE Solar

30,294.88

Res & Com

EPC

74,319.81