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 Illinois

GRNE SOLAR – https://www.grnesolar.com/ – Since 2012, The Company has established deep roots throughout the Midwest and has developed own teams to operate in two very different areas – commercial and residential. GRNE Solar serves the states of Illinois, Indiana, Iowa, Nebraska.

Windfree Solar Co. – https://www.windfree.us/ – Windfree is Illinois’ premier wind and solar energy installer.Windfree Wind and Solar Energy Company was founded early in 2009 by a team of creative energy visionaries and early adopters of sustainable technologies. Windfree’s team includes a well-respected, multi-disciplinary group of Chicago’s business, architectural, artistic and community leaders. The team believes alternative energy solutions must be researched, installed, monitored, tested and be supported by local legislation.

Magitek Energy Solutions Inc. – https://magitekenergy.com/ – Magitek Energy Solutions is one of the most established renewable energy companies in Northern Illinois completing numerous small wind and solar energy installations since  2008. Starting life as an electrical contractor, Magitek Energy Solutions Inc. has over 20 years experience powering homes and businesses in northern Illinois.

WindSoleil – https://www.windsoleil.com/ – WindSoleil provides Home and Commercial Solar Panel Installation Services in Illinois (solar panel installation services in Chicago, Chicagoland Area, and all of the Midwest.)as well as professional residential and commercial Wind Energy Installation Services in Chicago, Illinois, and throughout the Midwest.WindSoleil provides affordable top-rated wind turbine installation services for both residential and commercial properties that will guarantee you many years of performance.

Certasun Premier Home Solar – https://certasun.com/ – Residential solar expert, Certasun serves northeastern Illinois, eastern Massachusetts, and southeastern Wisconsin. Certasun helps homeowners go solar and start saving on their electricity bills. COVID-19 Precautions – Certasun puts in place new procedures so you can feel confident in your decision to go solar.

WCP Solar – https://www.wcpsolar.com/ – WCP Solar is a licensed, bonded, and insured full-service engineering firm. WCP specializes in the design, development, and installation of Solar Photovoltaic and Thermal Systems. Thermal systems include; Solar Hot Water Systems, Solar Radiant Heating Systems, Solar Cooling Systems, Solar Pool Heating Systems, and Solar Thermal Electric (Concentrating Solar Power CSP) Systems. WCP Solar delivers the very best in customer service and can manage projects of any size, from a small residential system to large commercial systems, all over the Chicago area.




Iconic Energy – https://iconicnrg.com/ – Iconic Energy is a solar energy company that has spent years conducting research and development of solar equipment for the commercial, residential and industrial markets. It is the largest solar installation company in Northern Illinois. Iconic Energy has completed more residential solar installations in Northern Illinois than any other company.

Headline Solar – https://www.headlinesolar.com/ – Headline Solar was formed out of a passion for long-term impact, advanced technology, sustainable environmentalism, and most importantly for helping impact local communities. These driving forces have made Headline Solar the Fastest Growing Residential Solar Company in Chicago, all of Illinois, and the entire Midwest.

StraightUp Solar – https://straightupsolar.com/ – StraightUp Solar is a fully insured, licensed, & Illinois state-certified, turnkey solar EPC firm staffed by their own in-house licensed electrician and NABCEP-certified professionals to provide the highest quality residential, commercial, agricultural and non-profit sector solar energy systems in Illinois and Missouri.

Earth Wind Solar Energy LLC – http://earthwindandsolarenergy.com/ – One of Chicago’s oldest renewable energy designers and installers. Since 2008, Earth Wind And Solar Energy (EWSE) have designed and installed solar PV, solar thermals, wind turbines, geothermal and energy efficient lighting in the Chicago area and throughout Illinois. EWSE also conducts building energy audits for home and business. EWSE is a well trusted and respected installer of green renewable energy systems in Chicago and its surrounding areas. Earth Wind And Solar Energy is committed to providing affordable clean energy solutions with cutting edge technology for both residential and commercial applications. At the forefront of renewable energy, the Company’s team is proud to be one of the leading installers in Illinois.

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.

Sunpro Solar – https://www.gosunpro.com – Founded in 2008, Sunpro Solar is one of the leading providers of rooftop solar in the United States. Sunpro Solar designs, installs, and maintains solar panels on residential and commercial properties.

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.