2024 Top Maine Solar Contractors

This is the 2024 list of Top Solar Contractors completing work in Maine. The kilowatts listed as being installed in the state reflect only kilowatts installed in Maine 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 Maine could come from installations in all markets (residential, commercial, community solar, utility) but only within Maine 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.

Maine Rank	Company	kW Installed In Maine	Primary Market	Primary Service	Total kW installed in U.S. in 2023	Overall Rank
1	Nexamp	113,008.10	Community Solar	Developer	225,408.00	36
2	AUI Partners	42,600.00	C&I	EPC	147,150.00	43
3	ReVision Energy	35,995.15	Res & Com	Installer	45,508.66	82
4	Mill Creek Renewables	28,194.90	Utility	EPC	525,828.90	22
5	Louth Callan Renewables	23,877.46	Utility	EPC	97,088.46	50
6	Vanguard Energy Partners	16,336.15	Utility	EPC	20,215.37	118
7	Precision Solar Renewables	15,561.00	Community Solar	EPC	58,770.00	68
8	Sole Contracting	12,861.88	Utility	Installation Subcontractor	91,741.92	53
9	Quanta Services	11,426.04	Utility	EPC	2,233,632.40	4
10	ACE Solar	10,550.02	Res & Com	EPC	74,319.81	60
11	Renewable Properties	10,550.00	Utility	Developer	18,500.00	126
12	Standard Solar	7,518.84	C&I	Developer	29,497.29	103
13	Sun Energy Solar LLC	6,751.00	Utility	Electrical Subcontractor	39,336.20	86
14	Maine Solar Solutions	5,950.78	Residential	Installer	5,950.78	208
15	DMH Services	5,400.00	C&I	Installation Subcontractor	54,896.00	72
16	iBuild Solar	2,700.00	C&I	Installation Subcontractor	40,932.20	85
17	Sun Solar LLC	2,600.00	Utility	Installation Subcontractor	1,546,455.00	8
18	Catalyze	1,499.42	Community Solar	Developer	35,404.46	90
19	Aegis Renewable Energy	1,450.00	C&I	EPC	4,277.50	222
20	Freedom Forever	1,042.79	Residential	Installer	368,990.66	27
21	DCE Services	480.00	C&I	Installer	101,291.48	47
22	Solaris Renewables	32.10	Residential	Installer	2,540.48	257

Maine Rank

Company

kW Installed In Maine

Primary Market

Primary Service

Total kW installed in U.S. in 2023

Overall Rank

Nexamp

113,008.10

Community Solar

Developer

225,408.00