Top Washington, DC Energy Startups (31)

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.

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

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...

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.

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.

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...

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...

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

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...

Gridwise Alliance is an American organization that represents a range of the energy supply chain from utilities to emerging tech companies.

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

Tios Capital is a Quantitative Investment Firm making investments in wholesale electricity. We are best classified as a proprietary trading firm. We have steadily grown over the years with healthy growth in returns and are now trading in five wholesale electricity markets across the United States: CAISO, ERCOT, MISO, PJM, and SPP. Tios Capital would be characterized as a small business that...

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...

OneEnergy Renewables is an innovative developer of community and utility-scale solar energy projects in North America. Powered by the belief that the future will run on clean energy, our team delivers solar projects to communities, utilities, and commercial and institutional customers. We build trust with landowners, communities, and customers to help them achieve a cleaner, brighter energy future.

SparkMeter offers comprehensive lowcost metering solutions for everything from rural microgrids to existing urban central grid utilities. Our products help make access to electricity possible in hardtoreach places and underserved markets.

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...

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...

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...