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Top 10 Clean Energy Companies

Since 1970, Earth Day has encouraged individuals and businesses to look after the environment and help protect it now and for the future, and this year calls on us all to “Invest In Our Planet.” According to the Center for Climate and Energy Solutions, renewable energy is the fastest-growing energy source in the United States, increasing 42 percent from 2010 to 2020. Utilizing clean energy such as hydro, solar, wind, geothermal, and biomass, can impact our planet for good. Below we’ve outlined the top 10 clean energy companies making a difference in our planet (listed in no particular order below).

Altergy
Being the first and only company to cost-effectively mass-produce industrial-quality hydrogen fuel cells that produce no emissions is no easy feat. Altergy has revolutionized fuel cell design to offer power solutions that virtually eliminate pollution. Its zero-emission proton exchange membrane (PEM) fuel cells deliver the quality on-demand power and ride-through capabilities required for telecommunications, broadband, data centers, traffic signaling, homeland security, among other essential 24/7 operations.
@Altergy

Freedom Solar Power
Known for outstanding craftsmanship and customer service, Freedom Solar Power helps customers harness the energy from the sun, which enables companies' bottom lines to be less affected by energy market fluctuations. By reducing monthly electricity bills, those savings can then be redirected back into the organization, becoming an investment for both the business and the earth. 
@FreedomSolarPwr

Captico2
Captico’s vision is to be a world leading provider in offering high impact Carbon Capture, Utilization and Storage (CCUS) technologies. The company’s patented technologies help capture and convert carbon dioxide to a non-toxic, storable and usable mineral in less than 60 seconds, reducing carbon dioxide emissions by 99%. Captico’s inspiring goal is to provide an annual reduction of 300 million metric tons of carbon dioxide by 2030.
@Captico2

AFC Energy
A leading provider of Alkaline Fuel Cell systems for clean energy, AFC Energy is committed to helping current and future customers achieve a net zero carbon future. Its Hydrogen Power (H-Power) systems use a patented proprietary design to ensure highest efficiency and economic operation without pollutants and greenhouse gasses.  
@AFC Energy  

National Hydropower Association
A nonprofit dedicated exclusively to preserving and expanding clean, renewable, affordable hydropower and marine energy, the National Hydropower Association represents the interests of the U.S. hydropower industry.  Hydropower, in all its forms, is valued as America’s first and most flexible renewable energy resource to attain a sustainable, clean and secure electric system in North America. Its mission is to champion waterpower as America’s premier carbon-free renewable energy resource.
@NatlHydroAssoc

Bioenergy Devco
Turning organic byproducts into renewable energy and healthy soils is made possible by Bioenergy Devco. The company uses anaerobic digestion to recycle organics from a city, company, or institution. Through its microbiology recipe, Bioenergy Devco can then establish a local supply of affordable renewable natural gas for businesses, residential customers, and transportation fleets. 
@BioenergyDevco

Terra-Gen
As a leading renewable energy developer that operates over 1.3 GW of wind, solar, and energy storage facilities, Terra-Gen specializes in development, construction, and operation of utility-scale wind, solar, and energy storage projects. With a focus on investing in North America’s energy infrastructure, the company strives to build a sustainable tomorrow. 
@Terra-Gen

Ormat Technologies
Ormat is passionate about advancing geothermal technology, providing choice, flexibility and customized solutions. When it comes to earth’s energy, Ormat excels in harnessing it. With experience in more than 30 countries, Ormat empowers clients with a comprehensive understanding of how to maximize their geothermal resources and facilities. The company stands out in offering a range of services, due to its vertically integrated structure and involvement across the geothermal industry’s value chain.
@OrmatInc

Pioneer Green Energy 
A utility-scale renewable energy development company active in the United States since 2009, Pioneer Green Energy advocates for an environmentally sustainable future. The company develops utility-scale wind, solar, and other green technology projects with experience and innovation.
@Pioneer Green Energy

Renewable Energy Group
A global producer and supplier of renewable fuels like biodiesel and renewable diesel, renewable chemicals and other products, Renewable Energy Group is making a positive impact on cleaner fuels. Its fuels stand out for their ability to allow fleets to reduce harmful emissions easily and immediately - there is no need to wait on future technology or infrastructure. Diesel vehicles can run on renewable diesel, REG Ultra Clean® and other biodiesel blends without modification. Their commitment blends environmental stewardship and profitable solutions for stakeholders and the environment.
@REGbiofuels