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Top United States Renewable Energy Companies (64)

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Automotive • Professional Services • Software • Consulting • Energy • Chemical • Renewable Energy
24 Offices
15,000 Employees

A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers’ product innovation and business growth. The UL Certification Marks serve as a recognized symbol of trust in our customers’ products and reflect an unwavering commitment to advancing our safety mission. We help our customers innovate, launch new products and services, navigate global markets and complex supply chains, and grow sustainably and responsibly into the future. Our science is your advantage.


Agency • Greentech • Consulting • Renewable Energy
Vienna, Virginia, USA
16 Employees

Tigercomm is top U.S. marketing communications and public affairs firm helping clean economy companies win with customers, investors and policy makers. Through best-in-class strategies, high-impact execution and a wide range of communications services, we help our clients deliver catalyzing insights that build brand and drive their businesses forward. Are you ready to win?


Semiconductor • Manufacturing • Renewable Energy
Latham, New York, USA
197 Employees

New Leaf Energy is one of the leading developers of renewable energy and energy storage projects in the United States—both distributed generation and utility scale. Headquartered in Lowell, MA, with employees and projects spanning the country, New Leaf Energy was formed in 2022 out of Borrego’s market-leading solar and energy storage development business, which extends back to 1980. At New Leaf Energy, we partner with landowners, utilities, and local communities to secure, design, and permit commercial, community, and utility-scale renewable energy and energy storage projects and prepare them for sale to long-term asset owners. Together with our partners, we aim to accelerate the adoption of renewable energy in service of the goal of rapidly decarbonizing our society


Greentech • Social Impact • Energy • Solar • Renewable Energy
Fully Remote, USA
73 Employees

The age of solar has arrived. With prices falling by 80% in less than a decade, solar power is now within reach of every American household. Here’s the problem: 90 million American households are currently locked out of the solar marketplace. Maybe it’s because they rent their homes. Or other solar companies are not willing to sell to them. Or simply because their roof is in the shade or is not well-suited to a solar array. Our mission is to unlock the possibility of solar power for these households. With the help of transformative policies taking root in the United States, we are now in a position to do so. It's called "community solar."​ What it means is that a household can buy solar power without having an array installed on its roof. Here's what we noticed: in communities all across the country, there are extraordinary organizations -- from the church down the street to the college campus across town -- that are embracing clean energy and want to bring it to their constituents. There are also households that want to go solar but do not have an easy way to do so. Finally, there are solar companies eager to find more customers. Our goal as Solstice is to use community solar to help these groups meet one another. When we do, everybody wins: those who cannot currently access solar are brought into the market, more solar is deployed, and everyone saves on their electricity bills.


Renewable Energy
San Francisco, California, USA
210 Employees

Low Carbon creates renewable energy to fight climate change. We’re building a global net-zero energy company that will power tomorrow and protect the planet for future generations. Low Carbon was established in 2011 with one goal in mind: to make the biggest contribution possible in the fight against climate change. The aim is to make a defining contribution to the historic effort to move the world to 100% renewable energy. Low Carbon are a long-standing certified B-Corporation, and recognized as Gold Standard for their environmental impact. Low Carbon’s climate ambitions are to become one of the world’s first major net-zero energy companies and to have created 20GW of new renewable energy capacity by 2030. Low Carbon is on a mission. Together, we will power tomorrow.


Greentech • Energy • Utilities • Renewable Energy
United States
30,000 Employees

The E.ON Group is one of Europe's largest operators of energy networks and energy infrastructure and a provider of innovative customer solutions for 50 million customers. Thus, we are decisively driving forward the energy transition in Europe and are committed to sustainability, climate protection, and the future of our planet.


Artificial Intelligence • Big Data • Greentech • Software • Database • Big Data Analytics • Renewable Energy
Fully Remote, USA
25 Employees

Cleartrace is an energy data and carbon accounting platform providing companies with the digital infrastructure to enable decision-making to mitigate environmental risk, prove their climate achievements and create new market opportunities within the evolving energy landscape. Through an advanced software platform developed by experts in the energy, data and banking sectors, ClearTrace delivers 100% traceable and verifiable energy and carbon records for its clients.


Greentech • Energy • Renewable Energy
Forest Park, Illinois, USA
9 Employees

Welcome to Clae Solutions - a community-driven company that has been making a positive impact in the energy and solar industry since our inception. Clae Solutions was founded with a clear purpose in mind - to be a shining example of excellence in our field. We are proud to say that we have achieved that goal and more. At Clae Solutions, we believe in a world where everyone can live stress-free, and we work towards this shared vision every day. We understand that financial freedom plays a significant role in achieving a happy and fulfilling life, and that's why we offer a range of services designed to help our clients attain that freedom while reducing their stress levels and contributing to environmental sustainability. Whether you are looking for energy-efficient solutions for your home or business or want to explore opportunities in the exciting world of solar energy, our team of experts has the knowledge and resources to help you succeed. Our success lies in our passionate and dedicated team, who share our values and commitment to excellence. We take pride in working with individuals who are driven to make a positive impact in the world. So, join us on this journey and discover the benefits of partnering with Clae Solutions.


Greentech • Energy • Solar • Renewable Energy
2 Offices
10,001 Employees

NextEra Energy, Inc. (NYSE: NEE) is a leading clean energy company headquartered in Juno Beach, Florida. NextEra Energy owns two electric companies in Florida: Florida Power & Light Company, which serves more than five million customer accounts in Florida and is the largest rate-regulated electric utility in the United States as measured by retail electricity produced and sold; and Gulf Power Company, which serves more than 460,000 customers in eight counties throughout Northwest Florida. NextEra Energy also owns a competitive energy business, NextEra Energy Resources, LLC, which, together with its affiliated entities, is the world’s largest generator of renewable energy from the wind and sun and a world leader in battery storage. Through its subsidiaries, NextEra Energy generates clean, emissions-free electricity from eight commercial nuclear power units in Florida, New Hampshire, Iowa and Wisconsin. A Fortune 200 company and included in the S&P 100 index, NextEra Energy has been recognized often by third parties for its efforts in sustainability, corporate responsibility, ethics and compliance, and diversity. NextEra Energy is ranked No. 1 in the electric and gas utilities industry on Fortune’s 2019 list of “World’s Most Admired Companies” and ranked among the top 25 on Fortune’s 2018 list of companies that “Change the World.”


AdTech • Automotive • Renewable Energy
Boston, Massachusetts, USA
130 Employees

OUR MISSION: EnergySage is on a mission to empower people everywhere to switch to affordable, reliable clean energy solutions with trusted resources, unbiased advice, and a simple shopping experience. WHO WE ARE: Every day, millions of Americans shop for clean energy products and energy-saving solutions, and thousands of companies look for well-qualified customers to connect with. But the process is often complex, expensive, and intimidating. That’s why we built EnergySage – the simplest, most trusted way to make confident energy decisions and to gain control over the buying process. EnergySage connects people with vetted, local installers and providers who compete to earn their business. But we don’t stop there. We help you easily and confidently switch to solar, batteries, community solar, heat pumps, electric vehicles, and more by providing access to transparent information, unbiased advice, and a best-in-class shopping experience. WHAT WE DELIVER: Simplicity: Easy access to competitive quotes from local, prescreened installers Savings: Access 20% lower prices (or more) vs. going it alone Trust: Transparency and objective advice with no pushy sales tactics WE ARE GROWING: EnergySage is growing fast and always looking for passionate, smart, and talented people to join the team. There’s never been a more important, rewarding time to work in climate tech. See opportunities on our career page: energysage.com/about-us/careers/

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Cloud • Professional Services • Security • Analytics • Consulting • Utilities • Renewable Energy
10 Offices
2000 Employees
Clean Power Research Thumbnail
Cloud • Greentech • Software • Energy • Solar • Renewable Energy
2 Offices
111 Employees
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Greentech • Real Estate • Social Impact • Energy • Industrial • Solar • Renewable Energy
2 Offices
2300 Employees
UL Solutions Thumbnail
Automotive • Professional Services • Software • Consulting • Energy • Chemical • Renewable Energy
24 Offices
15000 Employees
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Greentech • Internet of Things • Analytics • Energy • Utilities • Renewable Energy
2 Offices
85 Employees

Semiconductor • Energy • Solar • Renewable Energy
3 Offices
872 Employees

Momentum Solar is among the top residential solar contractors in the nation, recognized by Inc. as one of the fastest-growing private companies in the United States. A veteran in the industry founded in 2009, we bring cleaner, more affordable energy to eligible homeowners.


Renewable Energy
American Fork, Utah, USA
83 Employees

At Lion Energy, we believe we are all on a journey to become energy independent. Our Smart Energy™ solutions help you optimize the way you store and use energy. We are dedicated to providing safe, silent, renewable power that you can use every day – around the house, in the yard, on an adventure or during an emergency. We do this by engineering, creating, manufacturing, testing and delivering high-quality energy storage products for home, work or play. All of these solutions, from portable handheld power banks and solar generators to home and large custom solutions, use advanced technology we call LionESS™ or Lion Energy Storage Systems. LionESS allows you to control and efficiently use energy, where you need it, when you need it.


Semiconductor • Renewable Energy
Hoffman Estates, Illinois, USA
16 Employees

Headline Solar is the fastest-growing solar company in Illinois and Texas. Our goal is to help people save money on electricity, become resilient from the utility, and create a positive environmental impact. Founded in late 2018, our HQ is in Hoffman Estates, IL, and serves all of Illinois and all of Texas. We are a solar panel sales, service, and installation company that is fully vertically integrated. We hold over 25 years of combined experience and specialize in installing photovoltaic panels for residential homes and commercial buildings. Our unique value proposition is have our core foundation revolve around a customer-centric approach while offering competitive rates without compromising customer satisfaction or quality Our mission is to provide homeowners and business owners with access to reliable solar power at an affordable price while helping them save money on their electric bills, become resilient from the utility, and protect our planet.


Energy • Solar • Renewable Energy
Mandeville, Louisiana, USA
1,000 Employees

ADT Solar, one of the leading providers of residential solar in the United States, brings peace of mind to homes and sustainability to our planet.


Semiconductor • Energy • Solar • Renewable Energy
6 Offices
165 Employees

As a record-breaking, unrivaled technology leader, 8minute Solar Energy (8minute) is championing the clean energy transition in the United States and shaping the future of energy through its next generation of smart solar power plants. Since its founding in 2009, 8minute has successfully put 2 GW of solar projects in operation and currently has over 18 GW of solar and 24 GWh of energy storage projects under development. By prioritizing technology and engineering innovation, 8minute’s best-in-class team has continued to set new industry records: developing the largest solar plant in the nation starting in 2011, delivering the first operational solar plant in the U.S. to beat fossil fuel prices in 2016, and securing a deal to deliver solar with storage at record-low prices in 2019. Now one of the largest solar developers in the country with an established track record of delivering above-market profitability, 8minute’s relentless pursuit of smart energy generation is unlocking growth and expanding access to affordable and reliable clean energy.


Cloud • Greentech • Software • Energy • Solar • Renewable Energy
2 Offices
111 Employees

Clean Power Research® is advancing the energy transformation through cloud software that informs, streamlines and values energy-related decisions and processes for utilities, energy professionals and consumers. We’re focused on expanding our market reach and impact with new software technologies that help solve the energy industry’s problems. Recognized by BuiltIn Seattle as "Top 100 Best Places to Work in Seattle” and in the top 10 of "50 BEST SMALL COMPANIES TO WORK FOR IN SEATTLE 2022."


Renewable Energy
Carlsbad, California, USA
224 Employees

Anaergia was created to eliminate a major source of greenhouse gases by cost effectively turning organic waste into renewable natural gas (biomethane), fertilizer and water. With a proven track record of delivering world-leading projects on four continents, Anaergia is uniquely positioned to provide end-to-end solutions for extracting organics from waste, implementing high efficiency anaerobic digestion, upgrading biogas, producing fertilizer and cleaning water. Our customers are in the municipal solid waste, municipal wastewater, agriculture, and food processing industries. In each of these markets Anaergia has built many successful plants including some of the largest in the world. We operate out of regional locations in the U.S., Canada, United Kingdom, Germany, Italy, South Africa, and Singapore.


Information Technology • Renewable Energy
Brooklyn, New York, USA
45 Employees

NineDot Energy creates innovative energy solutions that make the urban grid cleaner, more equitable, more resilient and less costly. Our current development focus is on building and operating battery storage sites in the New York City metropolitan area, including Westchester and Long Island. We are working to enable vehicle-to-grid (V2G) capabilities at our projects as well. The NineDot Energy name derives from the classic mathematical puzzle for sparking out-of-the-box solutions. Our “outside the box” creativity combines business model innovation and community-centered solutions to catalyze clean energy projects in high-value parts of the electric utility grid. Based at the NYU Tandon School of Engineering Urban Future Lab in Brooklyn, New York. We have received financial support from the U.S. Department of Energy (DOE), the New York State Energy Research and Development Agency (NYSERDA) and the Carlyle investment group, among others


Energy • Solar • Renewable Energy
3 Offices
12,000 Employees

Sunrun is a leading provider of residential solar panels and home batteries in the United States. Our company's primary mission is to make solar energy affordable and accessible for homeowners. By offering solar as a service, Sunrun allows customers to switch to solar without the upfront costs of purchasing a system. Homeowners can either lease or purchase their solar panel system, while Sunrun takes care of installation, maintenance, and any necessary repairs. We aim to reduce homeowners' electricity bills, provide a sustainable energy alternative, and decrease the reliance on traditional fossil fuels. In addition to solar solutions, Sunrun also offers home battery storage systems, allowing homeowners to store solar energy for use during power outages or periods of high demand.


Food • Renewable Energy
Mendota Heights, Minnesota, USA
1,030 Employees

Restaurant Technologies is the leading provider of commercial kitchen solutions for nearly 40,000 customers nationwide. Since 1999, its Total Oil Management and AutoMist® solutions help “Control the Kitchen Chaos” for quick-service and full-service restaurant chains, independent restaurants, grocery stores, hotels, resorts, casinos, hospitals, and more. By automating the hardest tasks in the kitchen, Restaurant Technologies improves food quality, safety, and efficiency for its customers. Total Oil Management eliminates the manual handling of cooking oil through an automated solution that delivers, stores, filters, monitors, and removes oil. Restaurant Technologies also works with renewable energy partners to recycle used cooking oil into renewable fuels for a more sustainable business. AutoMist automates hood and flue cleaning to reduce fire risk and create a cleaner, safer work environment. Headquartered in Mendota Heights, Minnesota, Restaurant Technologies is privately held and operates 41 depots nationwide with more than 1,400 employees. For more information, visit www.rti-inc.com, or follow on LinkedIn, Facebook, Instagram or X @RTIoil.