Energy Startups

Gyxis is a gas and energy company that handles liquefied petroleum gas (LPG) trading, distribution, and logistics across Japan and globally. The company operates import bases, production bases, and secondary distribution bases, with a fleet of tankers serving wholesale and retail customers.

1 investor

H Cycle develops clean energy solutions focused on waste-to-energy and hydrogen production, addressing global waste challenges including PFAS destruction. The company works to advance economically viable, low-carbon energy projects in the renewable energy sector.

1 investor

H Nu develops fully optical current and voltage measurement systems for power transmission networks, using fiber-optic sensing to monitor high-voltage grids safely and accurately. It serves the electric power and utility industry with optical metering, protection, and power quality monitoring technology.

1 investor

H2 Power n Heat develops the OOLTY POWER BOX, a hydrogen fuel cell system that generates electricity and captures waste heat for building or battery heating. The company is advancing the technology from prototype to production-ready status through EU and Brandenburg state funding.

1 investor

H2air is an independent renewable electricity producer that develops, builds, and operates wind and solar parks in France and internationally. The company was founded in 2008 and focuses on producing renewable energy.

1 investor

H2nanO develops energy-efficient brine desalination and reuse technology for upstream energy operations, using modular distillation to treat and recycle high-salinity industrial water.

1 investor

H2REMA works on reducing the cost of green hydrogen production to make it a financially viable, low-carbon alternative to fossil-fuel-based hydrogen for industrial decarbonization.

1 investor

H55 develops certified electric propulsion systems and energy storage solutions for aviation, enabling aircraft manufacturers to transition to electric flight. The company transforms commercial lithium cells into aviation-grade battery systems approved by regulators and insurers.

1 investor

Hago Energetics develops technology to convert methane into hydrogen for use in transportation, power generation, and other applications, serving municipalities and energy markets seeking to reduce carbon emissions.

1 investor

Halco Lighting Technologies supplies lamps, luminaires, and fixtures for residential, commercial, and industrial spaces, including LED downlights, troffers, flat panels, wall packs, and exit signs. The company offers indoor and outdoor lighting products for retrofit and new construction projects, sold through a professional account portal.

1 investor

Halide Energy manufactures copper flow battery systems for grid-scale energy storage, designed to discharge power over 4-12 hours. The company serves utilities, power producers, and energy-intensive industrial operations seeking long-duration storage solutions.

1 investor

Hallcon is a transportation and infrastructure services company providing customizable transportation solutions including shuttles, vehicle maintenance, facility cleaning, staffing, and technology integration for technology companies, manufacturers, universities, hospitals, airports, and other organizations.

1 investor

Halocell Energy develops next-generation perovskite photovoltaic (PV) modules that generate power under all light conditions, including low light where its modules provide power equivalent to button batteries. The technology targets IoT devices as a stepping stone toward large-scale full-sun solar products.

1 investor

Hamara Grid develops and operates solar mini-grids in rural areas of India, serving underserved communities with renewable energy access and productive use of energy services. The company focuses on rural electrification and economic development through distributed renewable energy infrastructure.

1 investor

Hammerhead develops software that orchestrates power, cooling, and compute in real time to unlock idle GPU capacity in data centers for AI workloads. The platform enables AI infrastructure operators and cloud providers to deploy AI workloads faster and more cost-effectively without waiting for grid expansion.

1 investor

HAMR Energy develops low-carbon and renewable fuels projects, including hydrogen and biomass-based solutions, for sectors difficult to decarbonize. The company works on project development, techno-economic analysis, and deployment of clean fuel technologies in Australia.

1 investor

Harvest Waste builds high-efficiency waste-to-energy plants and integrated waste management facilities (Ecoparks) that convert uncontrolled landfills and open dumps into energy and recycled products. It focuses on developing countries with untreated waste problems, aiming to reduce methane emissions and pollution.

1 investor

Hav Energy invests in maritime LNG carrier infrastructure, having co-invested in ten newbuild LNG vessels with LNG owner-operator Knutsen LNG under long-term contracts. The company develops a portfolio of energy assets through investments in natural gas infrastructure and the energy transition, based in Norway.

1 investor

Havenhill Synergy Limited is a clean-tech utility company that generates electricity using solar energy for urban and rural areas across Africa, supporting the continent's infrastructure development.

1 investor

Havenwise offers software that automatically controls a home's heat pump based on energy tariffs, weather, and the home's heating behaviour to improve comfort and lower running costs. It connects to supported internet-connected heat pump systems and shifts heating and hot water to cheaper periods, targeting UK homeowners.

1 investor

Haylon Technologies develops battery management systems and software for optimizing performance across drones, electric vehicles, grid storage, and space applications. The company provides hardware and firmware solutions that enable advanced battery chemistries to deliver longer flight times, faster charging, improved reliability, and extended operational range.

1 investor

Hayzel develops technology that captures wasted potential energy from HVAC expansion valves and converts it into electricity to power cooling systems, reducing energy consumption and carbon footprint for building owners. The patented solution installs onto existing chillers without major infrastructure changes.

1 investor

Hazer Group is an ASX-listed technology company developing and commercialising the HAZER Process, a method for producing hydrogen and graphite from natural gas and other feedstocks. It operates in the clean energy and hydrogen sector.

1 investor

HB11 Energy develops laser-based boron fusion technology to generate baseload electrical power without radioactive waste or dependence on intermittent renewables. The company commercializes fusion-related laser systems and components targeting the energy sector.

1 investor