Top Washington, DC Energy Startups (31)

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...

Energy and Defence systems, purpose-engineered from first principles. 800+ installations, 25+ countries, 30+ years — designed and built entirely in-house.

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.

Inspiration is the first purpose-built EV solutions company. Our mission is to accelerate the electrification of transportation by partnering with fleet businesses to finance vehicles and deliver turnkey charging solutions to enable the rapid deployment of reliable, low-cost, zero-emissions EV fleets. Acting as a partner and system integrator, Inspiration designs and implements a custom solution that ensures every fleet electrification...

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.

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...

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...

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

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...

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.

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

Commercial buildings are responsible for 45% of all carbon emissions. Regulators and CRE investors are responding with penalties and investment strategies that could result in millions of dollars in fines and lost investments. This is why we have developed our machine-learning platform — the fastest, easiest, and most cost-effective path for your office buildings to increase asset value, reach your...

Breakthrough Energy is dedicated to helping humanity avoid a climate disaster. Through investment vehicles, philanthropic programs, policy advocacy, and other activities, we’re committed to scaling the technologies we need to reach net-zero emissions by 2050.

As the nation's leading owner-operator of community solar assets, Summit Ridge is driving the clean energy economy forward by providing utility savings to thousands of customers while helping to transform power generation and distribution across the country.

NASEO is the only national non-profit association for the governor-designated energy officials from each state and territory. Formed by the states in 1986, NASEO facilitates peer learning among state energy officials, serves as a resource for and about state energy offices, and advocates the interests of the state energy offices to Congress and federal agencies. The State and Territory Energy...

Green Powered Technology, LLC is an energy and engineering consulting firm based in Arlington, Virginia. We were established in 2010 with a vision of employing innovative energy and engineering solutions to sustainably manage the Earth’s resources and to meet society's needs. Providing comprehensive client services from project inception to completion, we deliver solutions to help our clients make more informed...

Formerly Skyline Innovations. Our mission is simple – to be the energy company you love.

AST is a woman-owned technology and energy solutions firm with expertise in applied science & technology, mission assurance & support, and data & decision analytics. AST integrates science and technology to deliver personalized service and trusted solutions for government and commercial clients. To learn more visit: www.alleghenyst.com or email: [email protected]

The Smart Electric Power Alliance (SEPA) is a nonprofit organization that envisions a carbon-free energy system that is safe, affordable, reliable, resilient and equitable. Our mission is to accelerate the electric power industry’s transformation to a modern energy future through education, research, standards, and collaboration. Since 1992, we have led electric stakeholders to solutions and strategies for their unique clean and modern...

Cadeo is an energy consulting firm that helps utilities and public agencies achieve their clean energy goals through creative market research, evaluation and policy analysis services. We help our clients understand the interaction of markets (size, structure, segments, trends, supply chains, distribution channels), technology (high efficiency, advanced manufacturing, novel materials, etc.) and policy (standards, programs, incentives, regulations) and how this impacts...