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.

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

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

Developing pollution-free metal processing technology.

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

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

Carbon capture and utilization technology for industrial emissions.

Allye Energy is developing a novel approach to carbon capture and utilization.

Carbon capture and utilization technologies for industrial emissions.

Direct air capture technology for atmospheric CO2 removal.

Developing novel catalysts and processes for sustainable nitrogen fertilizer production.

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.

Fleetzero is developing a platform to decarbonize the shipping industry through electrification and alternative fuels.

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.

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

Carbon capture technology converting CO2 into valuable chemicals and fuels.