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 Indiana

RPG Energy Group – https://www.rpgenergygroup.com/ – RPG Energy offers a full turn-key solution from schematic design and engineering through final construction and system monitoring. The team comes from a diverse and experienced background within the renewables and construction industry with over 100 years of combined experience.

Renewable Energy Systems, LLC – https://www.res-midwest.com/ – The Company, based in Northeast Indiana, serves Fort Wayne and surrounding areas in Northern Indiana, as well as Southeast Michigan, and Northwest Ohio. Renewable Energy Systems is a full engineering, procurement, and construction firm offering custom and turnkey designs. Being in business since 2008, Renewable Energy Systems have been the pioneers of that industry for northeast Indiana and surrounding areas.

Modern Mill Solar – https://www.modernmillsolar.com/ – Solar energy equipment supplier in Fort Wayne, Indiana. Family owned and operated, Modern Mill Solar has helped customers for more than 10 years to save money by owning their energy. Modern Mill Solar is the Midwest’s #1 home solar panel and battery storage company.

Jefferson Electric LLC – https://www.jeffersonelectricllc.com/ – Founded in 2011, Jefferson Electric is one of the fastest-growing small businesses in Indianapolis. The team is proud to serve the Greater Indianapolis community by providing solar, electrical, energy storage, and EV charging services to homeowners, businesses, faith communities, and government/academic organizations.

Rectify, LLC. – https://rectifysolar.com/ – Indiana & California Solar Panel Sales and Installation. Solar energy company in Indianapolis, Indiana, Rectify offers a wide range of solar solutions for residential and commercial applications.

Solar Technologies, LLC – http://solartechnologiesllc.com/ – Solar Technologies is a Central Indiana company specializing in the design and installation of solar thermal systems. Utilizing the proprietary evacuated tube technology produced and provided by Solar America Solutions, Solar Technologies installations allow you to supplement and even meet your heating and hot water needs with clean, renewable, and free energy produced by the sun.

Huston Solar – https://hustonsolar.com/ – Huston Solar is a division of Huston Electric Inc. that focuses on providing alternative energy solutions through solar installations and maintenance. Huston Electric has proudly served central Indiana for over 80 years as an electrical contractor specializing in innovative solutions that power businesses to the next level.

Star Solar Specialists LLC – https://starsolarspecialists.com/ – Star Solar Specialists is a solar power installation company servicing Louisville, Kentucky, Southern Indiana, and the surrounding area. Star Solar provides residential roof-mount and ground-mount solar power installations for homes of all sizes. Star Solar also provides commercial installations for any size business, from small offices to large warehouses.

Green Alternatives, Inc. (GAI)  – https://solargai.com/ – Green Alternatives (GAI) is your Central Indiana source for clean energy. The experts at Green Alternatives believe that a greener future is possible, one solar panel at a time, and you can save money in the process. We are equipped to solve all of your solar needs (commercial, residential, agricultural, and long-term operations and maintenance) to better your community and ours.

Emergent Solar Energy – https://emergentsolar.energy/ – Emergent Solar Energy is located at Purdue Research Park in beautiful West Lafayette, Indiana. One of the leading commercial solar development companies in Indiana, Emergent Solar is well regarded for its integrity and commitment to excellence. The company provides solar power solutions to the commercial and industrial, municipal and agricultural sectors across the state of Indiana. Emergent Solar Energy seeks to bring renewable energy to the communities it serves and to help organizations gain energy independence while achieving their sustainability and stewardship goals.

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

Florida Power Services “The Solar Power Company” – https://www.floridapowerservices.com/ – Founded in 2007 Florida Power Services remain the experts when it comes to solar power design & build. The company deals only with photovoltaic solar and battery storage. Florida Power Services have you covered every step of the way including FL PE design, expedited permitting, world class installation, utility interconnection application, and finally commissioning your own renewable power plant.

ProSolar Systems South Florida – https://prosolarflorida.com/ – ProSolar South Florida is a leading provider of Renewable Energy products for your Home and Business. The team serves Florida residents as one of the leading provider of renewable energy products for homes and commercial structures.

Freedom Solar Energy – https://www.freedomsolarenergy.com/ – Freedom Solar Energy has been licensed since 2016, and was created to serve the needs of homeowners and businesses in order to help them save money and reduce their reliance on non-renewable energy.

A1A Solar Contracting, Inc. – https://a1asolar.com/ – A1A Solar, provides residential and commercial solar electric (photovoltaic/PV) design and system installations in major Florida markets. All work done in-house by company employees (never outsourced).

Solar Impact Inc. – https://www.solarimpact.com/ – Solar Impact is Gainesville, Florida’s #1 solar energy company, having installed over twice the amount of solar electricity as all other local solar contractors combined! Solar Impact’s commercial, residential and non-profit clients produce enough solar electricity to power more than 600 homes and have created over $5 million in local jobs. Solar Impact is now a Tesla Powerwall Certified Installer.

Urban Solar  – https://urbansolar.com/ – Urban Solar’s vision begins with the goal of making solar simple and affordable for everyone. Since 2001, Floridians have been trusting Urban Solar to provide the resources and knowledge they need in order to achieve their solar power goals.

Compass Solar Energy  – https://compasssolar.com/ – Compass Solar Energy is the Longest Serving Solar Panel Company in Northwest Florida. Since 1998, Compass Solar Energy has consistently provided the highest-quality solar design and installation in support of federal, state, and local government agencies along with commercial and residential entities. Certified by the State of Florida, SBA, and North American Board Certified Energy Practitioners (NABCEP), Compass Solar has over 45 years of combined experience in the solar industry providing quality service and customer care.

WindMar Solar  – https://windmar.com/ – WindMar Solar is one of the fastest-growing residential solar energy companies in USA. Founded in 2002, the WindMar Group is the largest renewable energy firm in the Caribbean with offices in Puerto Rico and Florida.

Solar-Ray, Inc., – https://solar-ray.net/ – Solar-Ray was founded on the simple principle of providing the best service, price, and products available. Solar-Ray, Inc. has the experience and expertise to provide systems that often outperform rated power. All systems installed are fully permitted and have passed final inspections. Solar-Ray, Inc.staff includes Florida’s first certified contractor to qualify and receive the nationally recognized NABCEP Certification for Photovoltaics.

Advanced Green Technologies (AGT )  – https://www.agt.com/ – Advanced Green Technologies is a solar contractor specializing in the design, procurement, and construction (EPC) of commercial, industrial, and utility-scale solar energy projects for clients in Florida and the Caribbean. Established in 2007, AGT is an experienced, award-winning contractor completing more than 250+ Megawatts of renewable energy solutions across many market segments including private business, education, defense, government, manufacturing, and local utility companies. From initial project planning and construction to ongoing operations and maintenance, AGT can deliver a comprehensive turnkey solar energy solution that you will be happy with from start to finish.

Global developers of Renewable energy projects – Here are listed some of the developers, installers and other companies exploring and promoting renewable energy sources on a global level.

Iberdrola SA – https://www.iberdrola.com – Iberdrola is a Spain-based multinational electric utility company. The company engages in the generation, distribution, and trading of electricity. It specializes in clean energy, including wind, mini-hydro, solar thermal, photovoltaic, and biomass. Iberdrola operates in the U.S., U.K., Spain, Portugal, and Latin America. With over 170 years of history behind the company, Iberdrola is now a global energy leader, the number one producer of wind power, and one of the world’s biggest electricity utilities in terms of market capitalisation.

Ørsted A/S – https://orsted.com/ – Denmark-based multinational power company focused on providing renewable energy solutions. The company’s wind power segment develops, constructs, and operates offshore wind farms. Its bioenergy and thermal power segment operate combined heat and power plants.Ørsted has been the world’s most sustainable energy company in Corporate Knights’ Global 100 index of most sustainable companies in 2019, 2020, and 2021. In 2020, Ørsted was ranked the world’s most sustainable company, and in 2021 it is ranked in second place overall.

Tesla Energy  – https://www.tesla.com/energy – Tesla Energy is the clean energy subsidiary of Tesla, Inc., headquartered in Fremont, California, that develops, manufactures, sells and installs photovoltaic solar energy generation systems, battery energy storage products, as well as other related products and services to residential, commercial and industrial customers. The subsidiary was founded on April 30, 2015 when Tesla CEO Elon Musk announced that the company would apply the battery technology it developed for electric cars to a home energy storage system called the Powerwall.

Renewable Energy Systems Ltd. (RES) – https://www.res-group.com/ – RES is the world’s largest independent renewable energy company. At the forefront of the industry for nearly 40 years, RES has delivered more than 21GW of renewable energy projects across the globe and supports an operational asset portfolio exceeding 7.5GW worldwide for a large client base. RES employs more than 2,000 people and is active in 10 countries working across onshore and offshore wind, solar, energy storage and transmission and distribution.




Libra Group  – https://www.libra.com – The Libra Group, aka Libra Holdings, is a privately held international conglomerate operating in a variety of industries. It has many subsidiaries across six continents, incl. the sector of renewable energy.

EDF Renewables – https://www.edf-re.com/ – EDF Renewables is the global renewable energy affiliate of the Group. Present in 20+ countries, under the brand EDF Renewables, the company develops, builds and operates renewable power plants.

UGE International Ltd. – https://www.ugei.com/ – UGE is a collection of businesses, all dedicated to providing the world with renewable energy. UGE has a rich history, and continues to evolve with the rapidly changing renewable energy industry.

EDPR Holding – https://www.edpr.com – With a sound development pipeline, first class assets, and market-leading operating capacity, EDPR has undergone exceptional development in recent years and is currently present in 17 markets (Belgium, Brazil, Canada, Colombia, Chile, France, Greece, Hungary, Italy, Mexico, Poland, Portugal, Romania, Spain, the UK, US and Vietnam).

Enel Green Power S.p.A. – https://www.enelgreenpower.com/ – Enel Green Power has plants powered by renewable resources all around the world. The company is working to set new standards in the field of sustainable energy, constantly pushing technological limits and fostering stakeholder awareness. Enel Green Power was founded in December 2008 inside the Enel Group to develop and manage power generated from renewable resources worldwide. Enel Green Power manages more than 1,200 power plants on five continents and is present with assets in operation or under construction in 21* countries and development activities in a further 6 countries. It has over 50 GW of installed renewable capacity generated from a mix of resources, including wind, solar, hydroelectric and geothermal. Enel Green Power is playing a fundamental role in the energy transition, as it is one of the world’s leading renewable energy companies. Its goal is to accompany the planet into a new era in which everyone has access to sustainable, decarbonized energy. Enel Green Power is also a founding member of RES4MED, Renewable Energy Solutions for the Mediterranean and Beyond, an association created in 2012 to promote renewable energy and the infrastructures needed to deliver the generated electricity throughout the Mediterranean area.