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Innovative Sparc gets a Kick-Start on path to green hydrogen solution

As we grapple with the urgent challenges of climate change, Australian start-up Sparc Hydrogen emerges as a beacon of innovation with support from the CSIRO Kick-Start program.


A solar field
Disclaimer: The article presented here is not authored by Sparc Hydrogen. Full credit is attributed to the original author, Cat Shine, and the CSIRO.

Key points

  • Australian start-up, Sparc Hydrogen, is developing next-gen green hydrogen production technology.

  • The company collaborated with our researchers to test and validate their prototype as part of the CSIRO Kick-Start program.

  • The successful project has brought the tech a step closer to solving real-world sustainability challenges with affordable green hydrogen.


Sparc Hydrogen, an innovative Adelaide-based start-up, is poised to address the urgent need for cleaner and more sustainable energy solutions. The company’s groundbreaking photocatalytic water splitting (PWS) reactor represents a significant leap forward in renewable energy technologies. It has the potential to make green hydrogen, a sustainable and eco-friendly energy source, more efficient and accessible to industry.


Green hydrogen is typically produced through electrolysis, a process that uses electricity to split water into hydrogen and oxygen. Sparc Hydrogen’s PWS reactor uses concentrated solar energy to achieve the same conversion without relying on electricity.


It has lower infrastructure requirements and reduced energy consumption compared to traditional electrolysis. This could be a cost-effective solution for industries seeking green hydrogen energy alternatives.


Kick-Starting research collaboration

Led by Sparc Hydrogen’s Prof Greg Metha, the start-up collaborated with our Solar Thermal Engineering Team as part of the CSIRO Kick-Start program.


Greg said the program was crucial to facilitating their PWS reactor prototype testing.


“Support from Kick-Start made the prototype testing possible. It connected us with research expertise and provided vital facilitation and funding,” he said.


The collaboration presented a unique opportunity for our researchers and an Australian company to exchange knowledge and insights. Together, they focused on addressing a global sustainability challenge through cooperative efforts. 


"The program exemplifies CSIRO's commitment to empowering Australian start-ups and small businesses to innovate,” Greg said.


A milestone for green hydrogen

The CSIRO and Sparc Hydrogen teams conducted on-sun testing at the CSIRO Energy Centre. This involved testing the reactor prototype under actual sunlight conditions, rather than in a laboratory or controlled environment. This is a crucial step in evaluating the performance, efficiency, and durability of solar devices in real-world situations.


Wil Garner is our Solar Thermal Engineering Team Leader. He was impressed by the successful outcomes.


“We tested the PWS reactor in real-world on-sun conditions using solar photons reflected off heliostats. The testing allowed us to manipulate solar concentration and temperature. This led to multiple on-sun trials successfully generating hydrogen gas,” Wil said.


"The process validated findings from earlier lab testing and helped us identify several reactor design modifications for future testing.”


Revolutionising green hydrogen production

Sparc Hydrogen is on a mission to commercialise their PWS technology to revolutionise green hydrogen production. They’re doing further testing at the CSIRO Energy Centre this year. The plan is to establish a pilot plant for end-to-end hydrogen production.


A recent $500,000 Australian Government grant bolstered their work to advance the PWS reactor technology.


This project was made possible through the CSIRO Kick-Start program. The program provides funding and support to innovative Australian start-ups and small to medium-sized enterprises (SMEs) to access CSIRO’s research expertise and capabilities. In the video below, Greg provides an overview of Sparc Hydrogen's testing at the CSIRO Energy Centre.



"Disclaimer: The article presented here is not authored by Sparc Hydrogen. Full credit is attributed to the original author, Cat Shine, and the CSIRO."


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Sparc Hydrogen

Head Office:
51 Rundle Street,
Kent Town SA 5067

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