Top Washington, DC Energy Companies (57)

The world no longer thinks of energy as a matter of supply and demand. Now it’s a space for innovation and partnership. With this transformation comes a responsibility to work with a smarter approach, new thinking informed by past experiences, and with stronger collaboration between regulators and innovators, old systems and new technologies. At AES, we partner with our organizations...

WEG is a global electric-electronic equipment company and one of the largest electric motor manufacturers in the world, operating in the capital goods sector with solutions in electric machines, automation, and paints for various industries.

CleanChoice Energy is a clean energy supplier whose mission is to make 100% renewable energy available to everyone.

The World Resources Institute is a global research organization that works to improve people's lives, protect nature, and stabilize the climate by conducting research and informing policy.

The Union of Concerned Scientists is an independent national nonprofit that uses science to protect our health, safety, and environment by advocating for practical solutions to global problems.

Deep Isolation offers an innovative solution to secure and dispose of spent nuclear fuel from commercial nuclear reactors. Our horizontal drill hole technology offers both safety and low cost. While the drilling technology is standard, Deep Isolation is the first company proposing to use this method for the safe isolation of spent nuclear fuel under a billion tons of rock...

EQT Corporation is a leading independent natural gas producer with an evolutionary focus on our future. EQT has operations in Pennsylvania, West Virginia and Ohio and is dedicated to responsibly developing our world-class asset base in the core of the Appalachian Basin. While we are currently the largest producer of natural gas in the United States, we know being the...

ACORE is a national nonprofit organization that unites finance, policy, and technology to accelerate the transition to a clean energy economy. It promotes investment in American clean energy infrastructure, development, and innovation.

Ameresco, Inc. (NYSE: AMRC) is an independent, integrated, comprehensive energy efficiency and renewable energy company that is building a sustainable future with public organizations and private enterprise throughout North America and the United Kingdom. Through energy audits, innovative engineering, utility-scale solar farms and deep energy retrofits, Ameresco applies forward-thinking technology to the challenges of controlling emissions, enhancing energy security and...

Kaluza is an energy software company powering the future of energy. From revolutionising billing to smart electric vehicle charging, Kaluza’s technology is empowering some of the biggest energy suppliers to better serve millions of customers. Its real-time cloud platform transforms supplier operations, reducing cost to serve and boosting customer engagement. Powered by Kaluza, suppliers can invest in innovating for tomorrow’s...

SC&A is a small business that offers energy and environmental consulting to federal, state, and local government agencies and the private sector. Our expertise includes radiological and nuclear safety and security, climate adaptation, air quality, and emergency management and preparedness.

Dev Technology is an information technology services company delivering mission-critical applications and systems that protect and serve American citizens. We are an experienced small business that specializes in application and system development efforts, database consulting, and infrastructure management implementations. Our customers include the Departments of Homeland Security, Justice, Agriculture, Defense, Energy, and Treasury. Dev Technology’s core competencies include web-based application...

Zeno Power is the leading developer of nuclear batteries that provide reliable, clean energy in frontier environments. By harnessing the heat from radioisotopes, Zeno’s batteries power critical missions on Earth, in space, and at sea.

Community Solar: The Easiest Way to Tap into Clean Energy We’re bringing clean energy to homeowners and communities everywhere, and helping them save up to 15% on electricity costs without installing rooftop solar panels.

Altamira is your trusted partner in consulting, engineering, and field service support. The combination of our owner’s mentality, commitment to hearing your needs and concerns, and delivering with our proven processes help ensure project success. With our regulatory expertise and agile approach, we create working relationships that value compliance and deliver desirable outcomes that bolster your bottom line.

Last Energy's mission is to decarbonize global energy production and increase access to clean, affordable power. We are a full-service developer of micro modular nuclear power plants with the goal of finally scaling nuclear by dramatically reducing the time and cost of construction

The U.S. Energy Foundation helps build a strong, clean energy economy. Its mission is to secure a clean and equitable energy future to tackle the climate crisis, envisioning a healthy, safe, and equitable economy powered by clean energy.

Sparkfund powers organizations by providing access to the latest energy technology in a new and better way—through a simple monthly subscription model backed by a no risk guarantee. We partner with contractors, ESCOs, manufacturers, utilities, and energy retailers to deliver the Sparkfund Technology Subscription, transforming how businesses implement energy technology. Sparkfund seeks to create positive change for the world by...

POET is the world's largest producer of ethanol and a leader in bioprocessing, focused on renewable energy and agricultural products.

Arcadia's clean energy tech platform gives everyone easy access to clean energy. Arcadia members have access to a mobile-optimized online dashboard where they can manage their account, track their account activity, and view their energy usage all in one place. Arcadia's digital transformation of the traditional energy utility gives individuals greater control over what energy they support, how much it...