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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 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.
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.
Invaleon Technologies Corporation
🇺🇸 26 Parkridge Rd Suite 1BInvaleon 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.
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.
Northeast Solar
🇺🇸 136 Elm Street Hatfield, MA 01038, USSpecializing 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.
Suntility Electric LLC
🇺🇸 49 Locust St. Falmouth, Massachusetts 02540, USSpecializing in renewable energy semiconductor manufacturing, Suntility Electric provides comprehensive operations, maintenance, and management services for residential, mid-scale, and utility-scale renewable energy facilities. With extensive experience in developing significant energy installations and a proactive role in regulatory processes, they optimize performance and investment returns for clean energy systems.
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.
Sunbug Solar specializes in providing innovative renewable energy solutions, focusing on residential and commercial solar installations, as well as expertise in solar for new construction and EPC services. As a values-driven B-Corp and employee-owned entity, it emphasizes a customer-first approach, craftsmanship, and accountability in delivering high-quality solar energy solutions.
Solar Design Associates, Inc
🇺🇸 280 Ayer Rd Harvard, Massachusetts 01451, USSpecializing 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.
Cape Cod Solar Guys
🇺🇸 100 Independence Dr Barnstable Town, Massachusetts 02601, USSpecializing 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.
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.
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.
Brightstar Solar
🇺🇸 257 Maple St, Unit 2 Marlborough, MA 01752, USBrightstar 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.
Standard Sun, Inc. operates in the renewable energy semiconductor manufacturing industry, focusing on the development, installation, and maintenance of large-scale solar power plants. Known for its innovative techniques and ability to tackle challenging conditions, it has successfully completed over 700MW of solar photovoltaic systems worldwide, emphasizing quality and reliability in its projects.
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.
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.
621 Energy, LLC
🇺🇸 152 Commonwealth Ave Concord, Massachusetts 01742, USSpecializing in renewable energy semiconductor manufacturing, 621 Energy, LLC develops, operates, and maintains commercial-scale solar photovoltaic systems, offering comprehensive solutions that encompass project development, turnkey installation, financing, and ongoing consulting services. Their commitment to peak performance and rigorous standards in project management and engineering distinguishes them in the solar energy sector.
Renewable Energy Systems, LLC
🇺🇸 15 Marion Way Cohasset, MA 02025, USSpecializing 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.
Solaqua Synergy specializes in solar electric power generation, offering innovative solar installation and sales services that prioritize quality and a hassle-free experience for customers. The fast-growing enterprise is transforming energy consumption in New England while fostering a positive work environment for its employees.
Power2Peer Inc.
🇺🇸 Venture Development Centre Boston, Massachusetts 02125, USPower2Peer 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.
SolarFlair Energy, Inc
🇺🇸 3 Industrial Park Rd Medway, Massachusetts 02053, USSolarFlair Energy specializes in solar electric power generation, focusing on the installation and servicing of photovoltaic systems. With over 17 years of experience and a commitment to quality workmanship and transparent pricing, it provides innovative solutions for clean and renewable energy needs.
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