Renewable Energy Companies in United States
3914 companies listed

Sol Systems is one of the preeminent solar finance and development firms in the United States, with an established reputation for integrity and reliability. The company delivers sophisticated, customized services for our institutional, corporate, and municipal partners. Sol is employee-owned, and has…

General Biomass Company is a United States-based corporation developing cellulosic technology to convert non-food raw materials to sugars for production of green renewable chemicals, bioplastics, and cellulosic biofuels. General Biomass technology enables production of a wide variety of enzymes for…

Enviva was founded in 2004 with a clear purpose in mind: We wanted to develop a cleaner energy alternative to fossil fuels. In particular, we wanted to offer electric utilities a fuel to replace coal, enabling them to generate power without interruption while reducing their greenhouse gas emissions.…

EnergyLogic is a Nashville, Tennessee-based manufacturer of Waste Oil Heating systems as well as a seller of HVLS “Big” Fans made by MacroAir. Our heating products consist of furnaces, boilers, and accessories that allow businesses to warm their facilities using “waste oil”—an…

Headquartered in Woodridge, Illinois, USA, Elevance Renewable Sciences, Inc. is a high-growth specialty chemical company that creates novel specialty chemicals that perform better from renewable feedstocks, making the products that industry and consumers use every day better. We use a proprietary technology…

Comverge is an industry-leading provider of integrated demand response, energy efficiency and customer engagement solutions that enable electric utilities to ensure grid reliability, lower energy costs, meet regulatory demands and enhance the customer experience. Comverge is an industry-leading provider…

Aquion Energy is the manufacturer of proprietary Aqueous Hybrid Ion (AHI™) batteries and battery systems for long duration stationary energy storage applications. AHI batteries are optimized for daily deep cycling for residential solar, green architecture, off-grid and microgrids, energy management,…

Headquartered in Cupertino, California, Aemetis is an advanced renewable fuels and biochemicals company focused on the production of advanced fuels and chemicals through the acquisition, development and commercialization of innovative technologies that replace traditional petroleum-based products by…

Achates Power is the developer of radically improved internal combustion engines that increase fuel efficiency, reduce greenhouse gas emissions and cost less than conventional engines. The company has 10 concurrent customers whose contracts encompass five different engine applications: Passenger vehicle,…

1366 is committed to a future where silicon based photovoltaics provides a large part of the energy used by humankind. Our mission is to provide innovative, production worthy processes, materials and machines that will drive the cost of solar electricity to parity with electricity from coal. We believe…

CSUN is a leading manufacturer of solar cells and modules and closely affiliated with the renowned China Electric Equipment Group (CEEG), which has long established strategic partnerships with the KME group and DuPont. The CEEG group is one of the top two manufacturers of electrical transformers in…

Ascent Solar’s flexible, lightweight CIGS modules allow for seamless integration of solar power into a limitless number of applications without the restrictions of conventional glass panels. Ascent’s high-efficiency modules provide the transformational ability to generate power anywhere,…

Enphase Enphase Energy delivers microinverter technology for the solar industry that increases energy production, simplifies design and installation, improves system uptime and reliability, reduces fire safety risk and provides a platform for intelligent energy management. Our semiconductor-based…

NREL, we focus on creative answers to today's energy challenges. From breakthroughs in fundamental science to new clean technologies to integrated energy systems that power our lives, NREL researchers are transforming the way the nation and the world use energy. Mission and Programs NREL develops clean…

Recovered Energy, Inc. (REI) was formed in 2002 as a manufacturer of oily water separators for the Marine Industry under the BOSS brand. Over the years REI has grown to be one of the top 3 suppliers of oily water separators in the world for the Marine and Offshore Industries.  REI provides a full…

Sun Dollar Energy, LLC is owned by Dan and Rona Lezama, who live in Raleigh, NC.Dan Lezama has been a solar panel installer for 7 years and has his NABCEP certification: #032611-183. He is passionate about solar energy and helping his customers find affordable solutions for energy independence.…

Information from the oceans can help us understand climate change and natural disasters while also providing sources for food and energy. Persistent, reliable and cost effective instrumentation and power sources are necessary to support the maritime activities to obtain such information. Present solutions…

Altergy has broken through traditional technology and cost barriers to deliver the most cost-effective and reliable backup power solutions available. Altergy’s zero-emission proton exchange membrane (PEM) fuel cells deliver the quality on-demand power and ride-through capabilities required for…

Yaskawa – Solectria Solar, a wholly-owned subsidiary of Yaskawa America, Inc., is the #1 commercial inverter supplier in the U.S. Solectria’s products include 3.8 to 750 kW inverters, string combiners and web-based monitoring for all size solar systems. Solectria is backed by over 100 years…

CleanEnergyAuthority.com works with solar professionals nationwide by providing qualified sales referrals from home and business owners to generate new business. Since 2008 we helped over 500,000 home and business owners find a solar installer who offered the services and/or products they were seeking.…