Energy Startups

AST International develops and manufactures custom sensors and control systems for energy infrastructure, industrial applications, and mobility, serving OEMs and Tier 1 suppliers. Its products include sensors for cleaning fluid measurement (level, temperature, antifreeze) and hydrogen concentration sensors for fuel cell systems.

1 investor

AST builds integrated infrastructure that converts difficult waste streams into clean power, renewable fuels, heat, circular materials and stored energy through a connected system of seven processing platforms coordinated by a digital operating layer called AST Mind. It serves project developers, municipalities and investors, with projects in Israel, India and the United States.

1 investor

Aston provides gigawatt-scale power capacity for data centers, covering generation, transmission, storage, and the software to run it. It offers capacity agreements with guaranteed availability, delivering on-site generation, long-duration storage, and private transmission in 24 to 36 months.

1 investor

Astradyne develops lightweight, high-performance solar power systems for both space and terrestrial use, drawing on aerospace engineering, advanced manufacturing, and system integration. It builds power systems for space infrastructure with the aim of delivering value both in orbit and on Earth.

1 investor

Astro acquires land and secures grid connections for renewable energy projects, then sells the developed sites to larger energy companies. The company uses machine learning to identify grid connection points that reduce cost overruns in renewable project development.

1 investor

ATAREC is a Moroccan startup developing wave energy technology, with its patented Wave Beat solution that generates renewable electricity from ocean waves, first piloted at the Tanger Med port. It offers a full value chain of custom renewable marine energy services—potential assessment, design, production, installation, and operation—for partners seeking green energy autonomy.

1 investor

Atawey designs and builds configurable hydrogen refueling stations, including container/trailer-mounted units for temporary needs and larger stations for permanent infrastructure along urban hubs and major road corridors. It serves businesses, local authorities, and territories developing hydrogen mobility projects, and provides related training, maintenance, and co-development services.

1 investor

Aterion is a group of companies operating in electrical power and grid infrastructure across Sweden and Finland, offering services such as cable installation, power stations, distribution networks, district heating, and inspection of power and telecom lines. Its portfolio companies serve grid owners, power and energy companies, municipalities, industrial firms, and public sector clients.

1 investor

Atlantic Navigation Holdings is an integrated offshore supply operation providing marine logistics, ship chartering, and vessel repair, maintenance, and fabrication services for the offshore oil and gas and marine construction industries. Based in the UAE and operating through subsidiaries in Sharjah, Abu Dhabi, and Qatar, it serves customers primarily in the Middle East and India.

1 investor

Atlas Fusion develops compact Z-pinch fusion reactors using AI-driven stabilization technology for clean, continuous power generation. The company targets grid power, industrial heat, defense, and space propulsion applications.

1 investor

Atlas NextWave works with industry stakeholders to develop workforce readiness and local capability for Namibia's offshore energy sector, including introducing offshore careers through its Greenhands Offshore Namibia initiative. It focuses on building sustainable pathways into the offshore energy industry in Africa.

1 investor

AtlasEdge designs, builds, and operates carrier-neutral data centres across European markets, powered by renewable energy and built for AI, cloud, and mission-critical workloads. It serves enterprise and hyperscale customers seeking scalable, low-latency infrastructure.

1 investor

Ato Marine builds floating offshore platforms for high-performance computing and AI data centers, using standalone power generation and closed seawater cooling for location-agnostic deployment. The units are constructed in shipyards, towed to site, and moored together, with power supplied by adjacent vessels running on natural gas and, later, compact marine reactors.

1 investor

Atomic Insights is a publication and podcast (The Atomic Show) covering nuclear energy technology, reactor development, and nuclear investment topics. It is authored by Rod Adams and includes commentary on advanced nuclear ventures and decarbonization.

1 investor

Atwell is a professional services firm that delivers engineering, consulting, and technical project solutions across a range of markets, adapting its offerings to emerging client challenges.

1 investor

Aurabeat develops sustainable air treatment and sanitization solutions for commercial properties and organizations, including patented ventilation technology (AirSonic) and FDA-registered antimicrobial air sanitizing systems. The company serves enterprise and consumer markets globally with energy-efficient and antiviral air treatment products.

1 investor

Aureus Energy provides integrated water midstream services for the Permian Basin, including water sourcing, recycling, on-the-fly disinfection, water transfer, and H2S removal. It serves oil and gas operators with water infrastructure and treatment across Texas and New Mexico.

1 investor

Aurogenic has developed technology to recover high-value metals, including precious metals such as gold, from waste brine at geothermal power stations, integrating with new and existing geothermal plants. It also offers a geothermal metal resource delineation service, using field sampling and lab analysis, to geothermal operators and academia.

1 investor

Aurora Hydrogen produces low-carbon hydrogen for hard-to-abate industrial sectors, using a process that avoids water, precious metals, and new transport or storage infrastructure. It positions itself as a lower-cost alternative to electrolysis and steam reforming with carbon capture.

1 investor

Aurora Infrastructure finances, owns, operates, and maintains large-scale electrical infrastructure and power distribution networks for industrial customers, and offers related project development, O&M, and energy flexibility services. It focuses on electricity infrastructure investments in the Nordics, with significant operations in Finland.

1 investor

Australian Vanadium Limited (AVL) is developing the Australian Vanadium Project, a mining and processing operation across the vanadium value chain, including vanadium electrolyte supply and building the vanadium flow battery market through its subsidiary VSUN Energy. The company serves the energy storage and steel manufacturing sectors, with a focus on long-duration battery storage for renewable energy in Australia.

1 investor

Auterra develops Flex desulfurization technology that uses room-temperature oxidation reactions to remove sulfur and impurities from oil, offering an alternative to hydroprocessing with lower emissions and costs. The process targets refiners and fuel producers handling off-spec, heavy, or high-sulfur petroleum streams such as crude oil, bitumen, marine, and heating fuels.

1 investor

Automat Solutions is a U.S.-based company that develops battery electrolytes and uses AI to accelerate materials discovery and formulation. It operates an agile electrolyte production line and offers digital platforms (LyteMatch and LyteGuide) for electrolyte selection, formulation evaluation, and battery research, serving battery companies from R&D through production.

1 investor

Automous is a deep tech spin-off from Aalto University that provides electricity market price forecasting (ElePrice) and bidding optimization (OptiBid) as cloud services for energy assets such as batteries, solar, wind, and EVs. It serves energy companies and asset operators bidding into markets like FFR, FCR-N, FCR-D, aFRR/mFRR Capacity, and Nord Pool day-ahead, with a focus on Finland.

1 investor