Sparc Technologies Limited Sparc Technologies Limited (ASX:SPN) develops and commercializes advanced materials and renewable energy technologies focused on graphene additives, green hydrogen production, and sustainable energy storage solutions in Australia. The company offers ecosparc®, a graphene-based additive that enhances marine and protective coatings for steel infrastructure by improving anti-corrosion performance and anti-fouling properties; biosparc®, a graphene-enhanced polymer technology for aquaculture netting that reduces biofouling, boosts durability, and lowers operational costs; Sparc Hydrogen, a photocatalytic water-splitting process for green hydrogen production developed in partnership with Fortescue Future Industries and the University of Adelaide; and hard carbon anode materials derived from green bio-waste for sodium-ion batteries. Sparc operates primarily in Australia with offices in Europe and North America, targeting industries such as protective coatings, renewables, mining, aquaculture, and energy storage, and maintains a manufacturing facility for graphene additives. Founded in 1984 and headquartered in Kent Town, South Australia, the company recently raised over A$3.2 million through a share placement and oversubscribed Share Purchase Plan in May-June 2025 to fund ecosparc commercialization and Sparc Hydrogen pilot operations at Roseworthy; signed a trial agreement with BHP Mitsubishi Alliance in February 2025 for ecosparc coatings on steel structures at Goonyella CHPP; launched a green hydrogen pilot plant in South Australia in June 2025; and successfully tested a prototype water-splitting reactor.