Energy Startups
5,972 companies tagged Energy, with their investors and founders.
Hydrogenious LOHC Technologies develops liquid organic hydrogen carrier (LOHC) infrastructure that stores and transports hydrogen in liquid form under ambient conditions using conventional fuel infrastructure, targeting hydrogen producers and industrial and mobility offtakers. The company builds industrial-scale storage and release facilities, including LOHC hubs across Central Europe and Germany.
1 investor
HydroLux develops solid hydrogen storage materials for fuel cell vehicles and hydrogen energy applications. The company manufactures hydrogen storage alloys and related materials for the automotive and clean energy sectors in South Korea.
1 investor
Hydro Resources is a groundwater services contractor offering extraction, development, and maintenance solutions to agricultural and municipal clients across the central and western United States. The company operates through six regional facilities and serves projects of varying scale and complexity.
1 investor
Hydros Power manufactures the STELION Booster Station, a compact electric hydrogen compressor designed for applications including vehicle refueling, laboratory gas supply, and industrial processes. The company serves hydrogen project developers, industrial operators, and integrators seeking modular gas compression solutions.
1 investor
Hydrovert develops hydrogen fuel cell technologies, including PEM fuel cell stacks, powertrains, and stationary generators for mobility (land, marine, drones) and backup power applications. It also offers educational kits and advisory services for green hydrogen technologies.
1 investor
HyET group is a collection of companies developing technologies for commercially viable, large-scale use of decentralized renewable energy sources, such as high-pressure hydrogen buffering of solar and wind power and low-cost roofing sheets with integrated solar modules. Its work also targets environmentally sustainable economic development and rural poverty reduction.
1 investor
HYGN develops hydrogen technologies designed to reduce fuel costs and emissions for federal, municipal, and private companies. The company's flagship product enables safer, simpler hydrogen harnessing.
1 investor
Hynfra is a Polish company that develops, designs, and integrates green hydrogen and ammonia energy projects, acting as project developer, system designer, technology integrator, and executor. It serves industrial clients and municipalities with feasibility studies, renewable ammonia and hydrogen production facilities, decarbonization projects, and energy storage services, with operations in Poland and Germany and projects across Egypt, Jordan, Mauritania, Greece, Oman, and Ukraine.
1 investor
HES Energy Storage is a Polish developer and system integrator of battery energy storage systems (BESS), offering Storage as a Service including project development, construction management, and proprietary EMS and autobidder software. It serves industrial facilities, renewable energy developers, municipalities, commercial property owners, and the transport sector with grid stabilization and energy revenue optimization.
1 investor
Hyperion Energy develops an industrial carbon recycling system that captures and converts stack emissions directly at the source for heavy industry applications like power generation, cement, and manufacturing. The containerized system converts emissions into valuable materials and is net carbon negative.
1 investor
HyReveal explores subsurface resources such as natural gases, natural hydrogen, and helium to support energy transition and sovereignty goals. The company focuses on geology and natural resource exploration in the energy sector.
1 investor
Hyroad Energy develops hydrogen infrastructure and energy supply solutions for the transportation sector. The company builds hydrogen production, refueling stations, and low-carbon energy systems to support zero-emission vehicle adoption.
1 investor
i-TES develops energy-efficiency solutions based on PCM (phase change materials), with applications in HVAC systems and sustainable technologies. The company focuses on material research, product development, and commercial expansion in the energy sector.
1 investor
ib vogt develops utility-scale renewable energy projects, focused on solar photovoltaic with growing wind and battery energy storage (BESS) portfolios. It operates across OECD markets globally, serving the energy transition and decarbonization of power generation.
1 investor
IBIS Power develops PowerNEXT, a modular rooftop energy system that combines wind turbines nested within solar panels to generate on-site solar and wind power. It targets owners and managers of mid- and high-rise buildings with high energy needs, helping them meet local energy-production regulations such as BENG, ESG, and Fit for 55.
1 investor
ICA-Finance (formerly CL-Invest) develops and finances emission reduction projects for national oil companies and independent oil producers, focusing on methane mitigation and flare gas reduction at existing oil and gas infrastructure. The company specializes in project identification, financing, carbon credit monetization, and verification of emission reductions across multiple markets.
1 investor
Icarus RT develops hybrid photovoltaic/thermal solar-plus-storage systems aimed at increasing power output while reducing physical footprint. The company operates as a cleantech research and development startup focused on solar energy solutions.
1 investor
ICE Thermal Harvesting converts waste heat from industrial operations into zero-emission electricity using modular, portable systems. The company serves oil and gas, cement, metals refining, and power plant operators seeking decarbonization and waste heat recovery.
1 investor
ICM Controls manufactures electronic controls, line voltage monitoring devices, and surge protection products for OEM and aftermarket customers. The company operates vertically integrated manufacturing facilities in the U.S.A. with over 40 years of experience.
1 investor
Iconics (Mitsubishi Electric Iconics Digital Solutions) develops GENESIS, an industrial automation and SCADA/HMI platform for monitoring, visualizing, and controlling operations across industrial, manufacturing, and building environments. The software provides universal device connectivity, 2D/3D visualization, integrated alarming, and a built-in historian for sectors such as utilities, automotive, data centers, and water/wastewater, scaling from single sites to distributed enterprise deployments.
1 investor
iGii develops and manufactures Gii, a proprietary 3D porous pure carbon material for high-performance sensing, heating, and energy technologies. The company serves multiple industries requiring advanced materials for next-generation products.
1 investor
IGS develops imaging and visualization technology based on inverse scattering theory to enable observation of previously invisible structures and phenomena. The company applies this core technology to solve problems in medical imaging, energy, infrastructure, and security sectors.
1 investor
RADIANCE Energy (formerly Ikaros Solar) is an independent electricity producer and photovoltaics developer that handles the full solar project value chain, from site identification and feasibility through design, engineering, construction, and long-term operations and maintenance. It develops and operates ground-mounted and rooftop solar installations across several European countries, including Belgium, the Netherlands, the UK, Portugal, France, and Germany.
1 investor
ilek is a French green energy supplier that sources 100% renewable electricity and biogas from local producers in France, including wind, solar, hydroelectric, and biomethane facilities. It connects consumers directly with French producers, channeling over 45% of each bill to the producer.
1 investor












