Top 21 solar power companies in Massachusetts

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In 2025, Massachusetts is home to a dynamic roster of top solar power companies driving innovation in the renewable energy sector. The featured firms, such as ECA Solar and DC Solar Inc., excel in commercial and utility-scale installations, while others like Solar Design Associates, Inc. bring decades of experience in engineering services. Companies such as SolaBlock and Gridwealth showcase unique building-integrated photovoltaic systems and distributed energy resources. These leaders provide diverse expertise, from residential installations to large-scale solar projects, making Massachusetts a thriving hub for sustainable investment opportunities.

ECA Solar logo

ECA Solar

🇺🇸 203 crescent street 106

ECA Solar specializes in the engineering, development, and installation of large-scale commercial and industrial solar photovoltaic systems, focusing on innovative renewable energy solutions and financing for solar facilities. With expertise in diverse areas such as battery storage and community solar, it aims to drive the transition to clean energy through efficient project execution and financing strategies.

solar energy
photovoltaic
renewable energy
energy financing
power purchase
battery storage
community solar
net metering
distributed generation
EPC
clean energy
agrovoltaics
Company size: 11-50
Founded: 2014
Pope Energy logo

Pope Energy

🇺🇸 42 8th Street Suite 4413B

Pope Energy specializes in the development of commercial and large-scale solar photovoltaic power projects, offering comprehensive services that encompass engineering, procurement, construction, and maintenance. With a focus on integrating energy efficiency and innovative renewable technologies, it provides turnkey solar solutions that significantly reduce energy costs for system owners and businesses.

renewable energy
solar power
photovoltaic
energy efficiency
energy procurement
demand response
energy storage
engineering
construction
maintenance
solar installation
agrivoltaics
Company size: 2-10
Founded: 2010
Northeast Solar logo

Northeast Solar

🇺🇸 136 Elm Street Hatfield, MA 01038, US

Specializing in renewable energy semiconductor manufacturing, this firm is a leader in solar photovoltaic solutions for residential, commercial, and agricultural sectors. It emphasizes local partnerships and offers comprehensive services from design to installation, ensuring high-quality, community-focused solar energy solutions.

renewable energy
solar
photovoltaics
installation
EPC
agricultural energy
residential energy
commercial energy
solar financing
energy efficiency
heat pumps
Company size: 11-50
Founded: 2009
DC Solar Inc. logo

DC Solar Inc.

🇺🇸 68 Evergreen St Suite 6

DC Solar Inc. specializes in commercial and utility-scale solar solutions, leveraging a team of experienced professionals to manage and install large photovoltaic systems. Their commitment to excellence and collaborative approach sets them apart in the construction and renewable energy industry.

solar energy
photovoltaic
project management
commercial installation
utility projects
renewable energy
construction
solar systems
Company size: 11-50
Founded: 2015
Invaleon Technologies Corporation logo

Invaleon Technologies Corporation

🇺🇸 26 Parkridge Rd Suite 1B

Invaleon Technologies specializes in renewable energy semiconductor manufacturing, focusing on integrated solar solutions through comprehensive engineering, procurement, and construction (EPC) services for residential and commercial clients. With a strong emphasis on expertise and innovation, the firm has successfully installed 45 MW of solar energy systems, positioning itself as a leading contractor in the renewable energy sector.

renewable energy
solar
photovoltaic
engineering
procurement
construction
energy financing
commercial development
grid parity
alternative energy
Company size: 11-50
Founded: 2011
Solar Design Associates, Inc logo

Solar Design Associates, Inc

🇺🇸 280 Ayer Rd Harvard, Massachusetts 01451, US

Specializing in engineering services for renewable energy systems, this firm integrates innovative solar, wind, and storage solutions into buildings and utility infrastructure, emphasizing zero net energy designs and building-integrated photovoltaics (BIPV). With over 50 years of experience, it supports a diverse range of clients, including architects and solar developers, by providing expert knowledge and a robust portfolio of successful projects.

engineering
renewable energy
solar
wind
storage
micro-grid
BIPV
electrical engineering
design
control systems
Company size: 11-50
Founded: 1974
Cape Cod Solar Guys logo

Cape Cod Solar Guys

🇺🇸 100 Independence Dr Barnstable Town, Massachusetts 02601, US

Specializing in solar electric power generation, this partnership offers expertise in residential and commercial solar solutions, emphasizing a low-pressure approach and simplifying complex processes. They collaborate with top-rated solar installers to provide tailored programs that promote sustainability and meet diverse client needs.

solar energy
solar power
residential solar
commercial solar
sustainability
solar installation
renewable energy
energy efficiency
Company size: 2-10
Founded: 2023
AAH Solar logo

AAH Solar

🇺🇸 127 South Main Street Acushnet, Massachusetts 02743, US

AAH Solar specializes in the installation of solar energy systems for both commercial and residential sectors, leveraging over a decade of experience in renewable energy semiconductor manufacturing. The organization is dedicated to promoting energy independence and sustainability through innovative solar solutions, while also providing expertise in alternative energy options.

solar energy
solar installation
renewable energy
energy solutions
energy efficiency
photovoltaic systems
alternative energy
energy savings
energy independence
green initiatives
Company size: 11-50
Founded: 2005
SolaBlock logo

SolaBlock

🇺🇸 116 Pleasant Street Easthampton, Massachusetts 01027, US

SolaBlock specializes in innovative solar-clad masonry, providing building-integrated photovoltaic systems that enable urban structures to harness solar energy effectively. Their unique wall systems are designed for durability and resilience, making them ideal for both new construction and renovation projects in environments where traditional solar panels may not be suitable.

solar energy
photovoltaic
urban energy
renewable energy
building integration
masonry
wall systems
energy generation
construction
renovation
solar technology
Company size: 2-10
Founded: 2011

Renewable Generation operates in the renewable energy semiconductor manufacturing industry, focusing on facilitating the development of residential and commercial solar sites through strategic partnerships with solar installers and financiers. Their innovative approach emphasizes relationship-building to drive sustainable energy solutions.

renewable energy
solar
semiconductor
sales
solar installation
residential solar
commercial solar
financing
Company size: 2-10
Founded: 2017
Brightstar Solar logo

Brightstar Solar

🇺🇸 257 Maple St, Unit 2 Marlborough, MA 01752, US

Brightstar Solar specializes in renewable energy semiconductor manufacturing, focusing on solar electric design and installation for residential and small commercial sectors. With a commitment to innovative product offerings and competitive pricing, it positions itself as a premier energy partner in solar power solutions.

solar installation
renewable energy
solar power
energy efficiency
photovoltaic systems
residential solar
commercial solar
energy solutions
solar design
solar services
clean energy
Company size: 2-10
Founded: 2009
Renewable Energy Systems, LLC logo

Renewable Energy Systems, LLC

🇺🇸 15 Marion Way Cohasset, MA 02025, US

Specializing in renewable energy solutions, this firm installs solar hot water systems, photovoltaic (PV) panels, and solar pool heating for both residential and commercial clients, focusing on affordable and eco-friendly alternatives to fossil fuels. Their innovative approach includes a range of specialties such as solar thermal and geo hybrid systems, enhancing energy efficiency and sustainability.

solar energy
solar hot water
solar heating
solar pool heating
photovoltaic
solar thermal
renewable energy
geothermal
heat distribution
eco-friendly
fossil fuel reduction
Company size: 11-50
Founded: 2007
Gridwealth logo

Gridwealth

🇺🇸 33 Union Avenue Sudbury, Massachusetts 01776, US

Gridwealth specializes in renewable energy services, focusing on the planning, development, and operation of distributed energy resources, including commercial and industrial solar projects and battery energy storage systems. The firm offers innovative solutions that generate long-term revenue for clients while contributing to greenhouse gas reduction, with a goal of expanding its solar asset portfolio significantly by 2027.

renewable energy
distributed energy
solar development
battery storage
energy trading
greenhouse gas reduction
community solar
commercial solar
industrial solar
energy credits
net metering
energy solutions
Company size: 51-200
Founded: 2013
SunPower by E2 Solar logo

SunPower by E2 Solar

🇺🇸 831 Main Street (Rte 6A) Dennis, Massachusetts 02638, US

Specializing in renewable energy semiconductor manufacturing, this business provides high-efficiency photovoltaic systems and solar thermal installations for residential and commercial clients. With a focus on exceptional efficiency and low maintenance, it also emphasizes education on energy efficiency and offers financing options to facilitate solar adoption.

photovoltaics
solar
efficiency
renewable
installations
thermal
modules
energy
assessment
financing
kilowatts
clean
Company size: 11-50
Founded: 2008
Power2Peer Inc. logo

Power2Peer Inc.

🇺🇸 Venture Development Centre Boston, Massachusetts 02125, US

Power2Peer Inc. operates within the renewable energy semiconductor manufacturing industry, offering an innovative app-based energy marketplace, P2PConnect, that facilitates the buying and selling of locally sourced clean energy. This platform enhances accessibility to solar energy for community members and businesses, promoting sustainability and enabling users to achieve full carbon offsetting through a decentralized energy model.

renewable energy
solar energy
clean energy
marketplace
blockchain
microgrid
sustainability
prosumer
energy trading
photonic conversion
semiconductor manufacturing
Company size: 2-10
Founded: 2017
Vikram Solar US Inc. logo

Vikram Solar US Inc.

🇺🇸 33 Lyman Street Suite 102

A leader in renewable energy power generation, this global manufacturer specializes in high-efficiency solar PV modules and integrated solar solutions, boasting an annual production capacity of 3.5 GW. Notably recognized for its innovative half-cut cell, N-TOPCon, and Mono Perc modules, it has consistently excelled in reliability and performance metrics within the solar industry.

renewable energy
solar
solar panels
solar modules
energy efficiency
manufacturing
EPC
rooftop solar
floating solar
high-efficiency
climate change
power generation
Company size: 1001-5000
Founded: 2006
Greengrid logo

Greengrid

🇺🇸 Greater Boston Area, Massachusetts, US

Greengrid specializes in providing innovative financial solutions for rooftop solar projects, making solar energy more accessible and affordable while supporting corporations in achieving their renewable energy targets. By mobilizing investments in underserved communities with high energy burdens, Greengrid enhances local economic benefits and promotes an inclusive clean energy transition.

renewable energy
solar
rooftop solar
climate tech
clean energy
energy equity
climate action
climate fintech
clean energy finance
community portfolios
sustainable investments
energy burdens
Company size: 2-10
Founded: 2022
Insight Solar logo

Insight Solar

🇺🇸 180 Pleasant Street Suite 2

Insight Solar specializes in renewable energy semiconductor manufacturing, focusing on empowering residential customers to take ownership of their solar systems. With a commitment to informed decision-making and extensive industry experience, it aims to reshape the solar landscape by prioritizing equity and customer education.

renewable energy
solar energy
solar systems
energy consultation
residential solar
solar ownership
energy efficiency
photovoltaic technology
solar leasing
power purchase agreements
sustainable energy
Company size: 2-10
Solar Five® logo

Solar Five®

🇺🇸 420 Bedford St Suite 375

Solar Five® specializes in renewable energy semiconductor manufacturing, providing tailored solar power solutions for residential and commercial clients. With a commitment to local investment and exceptional service, it offers innovative solar systems and energy efficiency services that promote sustainable energy and reduce reliance on fossil fuels.

renewable energy
solar power
solar installation
solar systems
energy efficiency
solar modules
photovoltaic
inverters
racking
clean energy
Company size: 11-50
Founded: 2015
PV Squared Solar logo

PV Squared Solar

🇺🇸 311 Wells Street Greenfield, MA 01301, US

A pioneering force in renewable energy, this worker-owned cooperative specializes in the development, design, installation, and maintenance of solar electric systems, offering innovative solar engineering and consulting services. Recognized for its forward-thinking approach, it serves a diverse clientele including homeowners, commercial property owners, and public-sector partners in the solar industry.

solar
renewable energy
solar photovoltaic
electrical contractor
solar design
solar installation
solar repair
solar O&M
commercial solar
residential solar
ground-mounts
net zero
Company size: 11-50
Founded: 2002
Helios Solar Energy logo

Helios Solar Energy

🇺🇸 225 Broadway Suite 910

Helios Solar Energy specializes in renewable energy semiconductor manufacturing, providing high-quality solar installations at affordable prices. The focus on industry-leading technology and equipment positions it as a reliable choice for residential, commercial, and large-scale solar projects.

renewable energy
solar energy
semiconductor manufacturing
solar installations
solar technology
photovoltaic systems
energy efficiency
sustainable energy
solar farms
clean energy
Company size: 2-10
Founded: 2017

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