Here are listed many of the developers, installers and other companies exploring and promoting renewable energy sources in the state of Massachusetts.

Massachusetts Clean Energy Center (MassCEC) – https://www.masscec.com/ – The Massachusetts Clean Energy Center (MassCEC) is a state economic development agency dedicated to accelerating the growth of the clean energy sector across the Commonwealth to spur job creation, deliver statewide environmental benefits and to secure long-term economic growth for the people of Massachusetts. MassCEC works to increase the adoption of clean energy while driving down costs and delivering financial, environmental, and economic development benefits to energy users and utility customers across the state.

Kearsarge Energy – https://www.kearsargeenergy.com/ – Kearsarge Energy is a full-service renewable energy project development, finance and holding company, with a mission to build a more sustainable world and to provide superior returns to all project stakeholders, including the communities in which company works. Founded in 2009, Kearsarge has developed and financed more than 60 MW and $180 million of solar PV projects and is rapidly growing its business in select markets across the U.S. Kearsarge Hydro & Wind (“KHW”) acquires existing small and mid-sized (up to 25MW) hydroelectric projects throughout New England and the Mid-Atlantic region. Kearsarge Public-Private Partnerships (“KPPP”) works closely with governmental entities, non-profits, private companies, and private landowners in order to facilitate timely financing, permitting, community acceptance and resolution of all regulatory issues in developing various kinds of renewable energy projects, including hydroelectric facilities, wind farms, biogas and biomass projects. Kearsarge AD (“KAD”) is developing utility-scale 1 to 5 MW anaerobic digesters at multiple sites across New England.

Boston Solar – https://www.bostonsolar.us/ – Boston Solar is the #1 residential solar contractor based in Massachusetts, with more than 4,800 installations in 10 years. Boston Solar team members are proud to power Massachusetts, a state that continues to lead the nation in solar installations. Boston Solar provides superior products, exceptional customer service, and the highest quality workmanship. Boston Solar offers residential and commercial installations across the Commonwealth of Massachusetts including cities and towns on the south shore, north shore, metro west, central mass, greater Boston, south coast, and parts of cape cod (up to Hyannis). Boston Solar is dedicated to helping customers save money while improving the environment and supporting our local community.

Mass Renewables Inc. – https://www.massrenewables.net/ – Be independent, save money, and lower your carbon footprint. Mass Renewables’ goal is to provide the local community and beyond with a sustainable source of residential and commercial energy. The team believes in thinking globally, acting locally, and making the world a better place to live. Mass Renewables Inc. is a full-service Solar PV installation company. It is a family owned company that has been in business since 2009. Mass Renewables offers their customers innovative system designs that best fit their individual needs. Mass Renewables Inc. is rated the #1 solar company in Massachusetts.




ReVision Energy – https://www.revisionenergy.com/ – ReVision Energy is a full service renewable energy contracting company that provides a full range of engineering, design, installation and equipment service for homes, businesses, municipal buildings and nonprofits. ReVision Energy is fortunate to have an outstanding team of committed people creating success. ReVision Energy is the first solar company in the country to launch a dedicated and state-certified electrical training program, including an apprenticeship program.

Nexamp Inc. – https://www.nexamp.com/ – Founded in 2007 by two U.S Army veterans, Nexamp has been pursuing its mission for over a decade – to build the future of energy so that it is clean, simple, and accessible. Today, Nexamp is a leader in the clean energy space, offering solar and energy storage solutions. The team’s vertically integrated model is a strength and differentiator for Nexamp. Company owns and operates all of its solar storage projects and manage every stage of the process: financing, project development and acquisition, design, construction, operations and maintenance, and energy sales.

Quaise Inc. – https://www.quaise.energy/ – Welcome to Quaise. Quaise is unlocking supercritical geothermal energy everywhere and developing the enabling technologies to unlock this energy source on a global scale. Drilling technologies to reach down to 20 km below the surface and place this energy source within the reach of all humanity. Reservoir technologies to safely and predictably release this energy with the power densities of fossil fuels. Scalable to 30 terawatts by 2050 to eradicate energy poverty throughout the world. Without emissions to stabilize our atmosphere and the worsening effects of global warming. More robust to fires, floods, droughts, and hurricanes. More efficient in land use to preserve the unbuilt natural space. Less reliant on transmission infrastructure and geopolitically sensitive fuels. Accessible to all to ensure energy security for every nation on the planet.

Here are listed many of the developers, installers and other renewable energy companies in New York

CVE North America (Changing Visions of Energy) – https://www.cvenorthamerica.com/ – An independent solar power producer and owner operator based in New York, NY, CVE North America develops, finances, builds and operates solar PV (photovoltaic) power plants throughout the Northeast. CVE is committed to providing long-term ecological solutions to meet the energy needs of businesses and communities. Competitiveness, energy efficiency and sustainability are key objectives which underpin the group’s activities and drive the ambitions of its members. CVE supports a vision of the market based on decentralized power production and on a direct energy sales model. The Group’s goal is to meet the energy and environmental needs of businesses and communities by taking a service-provider approach. Energy is at the heart of CVE and fuels the activities of the group. The idea is simple: designing renewable energy solutions that fit the various needs of local governments, landowners, farmers, local industry, investors, and financial partners.

Solar Energy Systems, LLC (SES ) – https://www.solaresystems.com/ – Based in Brooklyn, New York and founded in 1998, Solar Energy Systems is a leading integrator of commercial solar electric systems in the Northeastern United States, including New York, New Jersey, Connecticut, Massachusetts, and Pennsylvania. Solar Energy Systems, LLC, has twice been recognized for Outstanding Performance by the New York State Energy Research and Development Authority (NYSERDA), and is the first clean-tech investment by the New York City Investment Fund (NYCIF.org), a private fund with a civic mission. In 2011, SES launched SES Renewable Assets (SESRA); a dedicated solar financing division providing financing options for solar systems at little or no upfront cost to their customers. SES financing programs include Power Purchase Agreements (PPAs), and Solar Leases that minimize or eliminate the cost of ownership. Solar Energy Systems has North American Board of Certified Energy Practitioners (NABCEP) Certified Solar PV Installers on staff. SES is recognized as an Eligible Solar PV Installer by New York funding entities NYSERDA and Long Island Power Authority (LIPA), as well as New Jersey’s Clean Energy Fund. SES is an Electrical Limited Solar Contractor (PV1) in Connecticut and is a Connecticut Clean Energy Fund Eligible Installer.

Venture Solar – https://venturesolar.com/ – Your solar power experts. Venture Solar are proud to have built a team of over 220 trained, in-house professionals devoted to bringing clean, green energy to the Northeast. The Company helps homeowners save money on the best solar panel system available while replacing electricity and making a better tomorrow for all. With world-class solar systems using LG panels optimized for energy, advanced in-home monitoring controls, unbeatable warranty, and exceptional service, Venture Solar customers know they’re getting the best in the industry. Based in Greenpoint, the team services NYC, Long Island, New Jersey, Connecticut, Rhode Island, New Hampshire, and Massachusetts.

Wind Unites Us  – https://www.unitedwind.com/ – Wind Unites Us is committed to giving clean and reliable wind energy. Wind Unites Us was launched in 2004 as a provider of renewable energy. Since then, the company has been successful in developing several solar and wind projects and installing ample power to about 57,000 average residences each year.




Delaware River Solar (DRS) – https://delawareriversolar.com/ – Solar energy company Providing Clean, Renewable Energy to Local Communities in New York State.

YSG Solar – https://www.ysgsolar.com/ – YSG Solar is an independent solar system design and installation company. YSG are based in New York and California, serving communities all across New York including Long Island, Queens, Staten Island, the Bronx, Westchester County, Orange County, Rockland County and the greater Rochester area, as well as Northern California.

Choose Solar Inc. – https://www.choosesolar.com/ –  Solar energy company. Solar energy without solar panels. No devices to purchase. Instantly signup online and digitally connect to a solar farm in your community.

Here are listed most of the developers, installers and other renewable energy companies with national coverage, as well as such covering more than 5 States, incl. franchise:

SunPower – https://us.sunpower.com/ – Changing the way the world Is powered. SunPower designs all-in-one residential and commercial solutions backed by personal customer service and the industry’s most comprehensive warranty. And with over 35 years of dedicated solar experience, SunPower is the only U.S.-based solar company that’s been around longer than its 25-year warranty. SunPower has been developing record-breaking solar technology since the 1970s. Company’s history over these decades has been marked by creativity, craftsmanship – and confidence.

EnergySage, Inc. – https://www.energysage.com/ – Every day, millions of Americans shop for renewable energy solutions, such as solar power — and thousands of companies look for well-qualified customers. But the process can be confusing, expensive, and intimidating. EnergySage is the go-to marketplace for making confident energy decisions and gaining control over the buying process. EnergySage’s one-of-a-kind marketplace was developed with funding from the U.S. Department of Energy’s Sun-Shot program, to make solar and other renewable energy options affordable and accessible to all Americans.

NextEra Energy, Inc. – https://www.nexteraenergy.com/ – NextEra Energy is an American energy company with about 58 GW of generating capacity, revenues of over $18 billion in 2020, and about 14,900 employees throughout the US and Canada. It is the largest electric utility holding company by market capitalization. Its subsidiaries include Florida Power & Light (FPL), NextEra Energy Resources, NextEra Energy Partners, Gulf Power Company, and NextEra Energy Services.

Ameresco, Inc. – https://www.ameresco.com – Ameresco, (NYSE:AMRC) is a leading cleantech integrator and renewable energy asset developer, owner and operator.

Jacobs Wind Electric Co. Inc. – https://www.jacobswind.net/ – Jacobs Wind Electric is the oldest renewable energy company in the United States. It has been designing consumer and commercial renewable energy systems sized to the changing distributed electric loads of their periods since the mid-1920s.

Sunrun – https://www.sunrun.com/ – Experience Peace of Mind for Decades to Come with Sunrun Rooftop Solar Panels. When you team up with a solar company like Sunrun, you can create your own affordable, clean energy and gain independence from your utility company. A Sunrun solar installation can help power your home when the sun is out while you boost control over your energy usage and reduce your dependence on fossil fuels.

Eagle Creek Renewable Energy (subsidiary of Ontario Power Generation Inc.) – https://www.eaglecreekre.com/ – Eagle Creek Renewable Energy is an owner, operator, and developer of hydroelectric power projects. Eagle Creek Renewable Energy was founded in 2010 to acquire, enhance, and operate small hydroelectric power facilities. Eagle Creek currently owns and operates more than 80 hydroelectric facilities representing over 630 megawatts of capacity across the United States. Eagle Creek also has ownership interests equivalent to approximately 12 megawatts in 14 other hydroelectric facilities and two solar facilities in New England. The facilities produce enough electricity to power over 250,000 homes, while avoiding over 1.8 million metric tons of carbon dioxide emissions each year, providing recreational opportunities, and protecting historical resources and the environment.

EDP Renewables North America – https://www.edpr.com – Based in Houston, Texas, EDP Renewables North America is a division of EDP Renewables, a global leader in the renewable energy sector. EDP Renewables’ story in the U.S. began in 2007 when the company embraced the growing demand for clean energy and acquired Horizon Wind Energy LLC. Since then, EDP Renewables has more than doubled our wind power production, becoming one of the world’s largest producers.

Clearway Energy Group LLC. – https://www.clearwayenergygroup.com/ – Clearway’s extensive experience with all aspects of project development, project finance, operations, and customer service has made the company a leader in the renewable energy industry. Clearway’s portfolio ranges from clusters of community solar projects to some of the largest wind and solar projects in the United States.