Alternatives to Spark Cleantech

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

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

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

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

Carbon capture and utilization technology for industrial emissions.

Carbon capture and utilization technologies for industrial emissions.

Developing novel catalysts and processes for sustainable nitrogen fertilizer production.

Direct air capture technology for atmospheric CO2 removal.

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

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

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.

Achieve true economic industrial decarbonization through advanced waste-to-value solutions.

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

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

Developing pollution-free metal processing technology.

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

Platform for home and vehicle electrification, offering personalized recommendations and supplier connections.

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

A company focused on direct air carbon capture projects.

Carbon removal services using enhanced rock weathering to combat climate change.