Alternatives to Allye Energy

Develops and deploys direct air capture technology to remove CO2 from the atmosphere.

Direct air capture startup producing CO2 and hydrogen for e-fuels and negative emissions.

Carbon capture and utilization technologies for industrial emissions.

Develops, owns, and operates industrial-scale facilities producing green hydrogen derived e-Fuels.

Crusoe uses stranded energy to power high-performance computing for AI and blockchain.

Electra is decarbonizing the iron and steel industry with clean-iron electrowinning technology.

Carbon capture technology converting CO2 into valuable chemicals and fuels.

Develops a novel, low-cost solvent-based carbon capture technology to decarbonize industrial emissions.

Spark Cleantech develops advanced catalysts and processes for sustainable chemical production.

Developing novel catalysts and processes for sustainable nitrogen fertilizer production.

Electrifying the global steel industry with innovative technology.

German provider of integrated renewable energy solutions for homeowners, offering solar panels, battery storage, heat pumps, and EV charging.

Nuclear energy startup developing small, high-temperature reactors for AI data centers and industrial applications.

Industrial company in hydrogen production and separation solutions.

Climate-tech startup making Asia's rice farming more water-resilient by combining satellite imagery, AI, and field operations to reduce water usage and methane emissions.

Heron Power develops industrial power electronics for the 21st-century grid, addressing surging energy demand with scalable, reliable, and software-integrated infrastructure.

Developing a novel, sustainable process for extracting valuable minerals from industrial wastewater.

Green materials platform using patented electroreduction to produce pure metals with zero carbon emissions.

Develops advanced battery recycling technology for electric vehicle batteries.

Developing pollution-free metal processing technology.

Carbon removal solutions by enhancing river alkalinity to sequester carbon dioxide and restore river ecosystems.

LanzaTech transforms waste carbon emissions into valuable products like ethanol, SAF, and chemicals.

Geospatial AI platform that accelerates renewable energy project development by automating site selection, permit processing, and grid connection analysis.

Membrane technology for carbon capture, hydrogen, and natural gas.

Industrial carbon capture technology company offering modular CycloneCC systems that retrofit onto existing industrial emitters.

Develops and manufactures rotor sails for wind-assisted propulsion on ships.

Canadian climate solutions company developing direct air capture technology to remove CO2 from the atmosphere.

Calgary-based startup developing technology to convert captured CO2 into valuable building materials.

Industrial-scale production of synthetic aviation fuels from CO2 and water.

Developing high-integrity coastal ecosystem restoration projects.

Building the world's first mass-produced portable nuclear generators for anywhere power delivery.

Direct air capture technology to remove CO2 from the atmosphere and store it permanently.

Develops advanced carbon capture technology and intelligent exoskeletons for industrial and medical applications.

A digital marketplace connecting businesses with vetted renewable energy providers, financing, and expertise.

Amogy unlocks ammonia's potential as a clean energy source with proprietary reforming technology.

Otovo USA is a solar energy marketplace connecting homeowners with local installers.

Develops non-flammable, high-performance, low-cost sodium-ion batteries for energy storage.

Revolutionizing battery recycling for a circular future in Europe.

Developing flexible, efficient, and low-cost solar cells to turn any surface into an energy source.

Cleanwatts is a company focused on renewable energy, specifically in the development and management of renewable energy communities.

Helping farmers earn carbon credits through regenerative agriculture and nature-based solutions across South Asia.

Leading European battery manufacturer focused on sustainable production for electric vehicles and energy storage.

Carbon capture and utilization technology for industrial emissions.

Data-driven solution for profit-maximizing mitigation of solar panel soiling.

Direct air capture technology for atmospheric CO2 removal.

Fusion power startup developing grid-scale power plants using advanced laser technology.

Green processing of battery waste.

Digital platform for climate-positive energy solutions, integrating solar, storage, and charging.

Industrial thermal energy storage solutions using sand.

Developer of micro-modular reactor (MMR) technology for clean energy.

Digital platform connecting ecosystem players to solve environmental challenges using AI.

Industrial-scale production of metal-organic frameworks (MOFs) for carbon capture and other applications.

Developing a novel process for green ammonia production to decarbonize agriculture and energy.

Airovation Technologies develops patented air purification and carbon capture solutions based on advanced chemical processes to convert CO2 into valuable chemicals.

Developing advanced battery technology for grid-scale energy storage.

A platform simplifying marine fuel procurement with a focus on transparency, sustainability, and financing.

Developing compact modular nuclear systems to make clean nuclear power cheaper than fossil fuels by utilizing high-temperature turbine technology.

Aemetis is a renewable fuels and biochemicals company focused on low-carbon solutions like RNG and SAF.