Australia’s hydrogen industry is entering a new phase, marked by quiet but critical shifts in technology and planning. From emerging electrolyser designs to multimillion-dollar industry support and detailed masterplans, the focus is shifting from conceptual ambition to practical delivery.

Melbourne Innovation Targets Cost and Complexity

Melbourne-based company Cavendish Renewable Technologies (CRT) has unveiled a new electrolysis platform called the C-Cell. It is designed to tackle some of the most persistent issues in renewable hydrogen production, particularly cost and operational complexity.

The C-Cell system blends solid oxide and alkaline electrolysis technologies but avoids the usual high-temperature pitfalls. By operating efficiently at just 100–150°C—and without the need for external heat—it opens up new possibilities for integrating hydrogen production with solar and wind generation.

Efficiency levels of up to 41.5 kWh per kilogram of hydrogen have been achieved under real-world testing conditions. The electrolyser is built around a thin ceramic membrane, which enhances ionic conductivity and oxygen evolution while maintaining long-term stability at moderate temperatures.

“A lot of solutions have been proposed, but very few deliver where it truly matters—on both performance and cost,” said CRT Chief Executive Officer, Dr Aniruddha Kulkarni.

He added, “With C-Cell, we’re not proposing anything that contradicts the laws of thermodynamics or depends on speculative science. It’s simply an elegant way of utilising internally generated heat during electrolysis to significantly reduce electrical energy input—without needing any external thermal source.”

Because the system can respond to fluctuating renewable inputs and scale in a modular way, it is well suited to decentralised energy systems and intermittent operation—conditions often associated with solar and wind farms. The ability to operate at turndown rates as low as 7% has also been confirmed in lab settings.

Beyond hydrogen, CRT believes the platform may find future use in CO₂-to-fuel conversion, redox flow batteries, and next-generation fuel cells. The company’s use of widely available components from existing supply chains is expected to help scale production without lengthy delays.

Government Backing for Large-Scale Hydrogen

At the other end of the hydrogen development spectrum, ARENA announced on Friday that Orica’s Hunter Valley Hydrogen Hub will receive up to $432 million under the first round of the Hydrogen Headstart Program. The project will use a 50-megawatt electrolyser powered by renewable electricity to produce hydrogen for ammonia manufacturing, replacing natural gas.

ARENA CEO Darren Miller said the hub was a good example of hydrogen supporting emissions reduction in hard-to-abate industries.

“By replacing natural gas-derived hydrogen with clean, renewable alternatives, projects like Orica’s are helping to decarbonise core industrial processes while preserving domestic manufacturing and unlocking new export opportunities,” Mr Miller said.

The grant will be paid over a ten-year period based on actual hydrogen production. Orica’s Kooragang Island facility, a long-standing industrial site in the Hunter, will form the base for the project.

With Orica’s project and the earlier Murchison Green Hydrogen Project in Western Australia now confirmed, ARENA has opened consultation on Round 2 of the Hydrogen Headstart Program. A consultation paper has been released to gather industry feedback on design details and proposed eligibility settings. Submissions close on 31 July 2025.

Infrastructure Plans Tie It All Together

The timing of these developments fits into a broader blueprint for Australia’s energy future. On 4 July 2025, the final design for the Port of Newcastle’s Clean Energy Precinct was unveiled. Positioned as a multi-use site on Kooragang Island, the Precinct is being prepared to support a range of clean energy production, including hydrogen and ammonia.

The $100 million government-backed precinct is expected to streamline planning approvals, enabling faster construction of hydrogen facilities. CEO of Port of Newcastle, Craig Carmody, said the layout reflects current interest from energy producers and the requirements for export infrastructure.

“Our job is to ensure that, when coal finally declines, we still have energy from the Hunter and Newcastle to export to the world. This design proves this goal can be achieved,” Mr Carmody said.

FEED and environmental studies are due by the end of 2025, with consultations involving local communities and Traditional Owners already informing planning.

The precinct is also attracting attention from international partners in Japan, Germany, and South Korea—countries expected to be key buyers of Australian hydrogen in the coming decades.

Hydrogen Park Gladstone celebrates six months of success

Meanwhile, Hydrogen Park Gladstone has marked over six months of operation as Australia’s first whole-of-city renewable hydrogen project. Since November 2024, around 700 homes and businesses in Gladstone have received up to 10% renewable hydrogen blended with natural gas through the existing gas network.

The project, run by Australian Gas Infrastructure Group (AGIG) with support from the Queensland Government, has already produced and delivered more than one tonne of renewable hydrogen. For local gas customers, this means they can use their appliances as normal while lowering emissions.

Acting AGIG CEO Cathryn McArthur said Hydrogen Park Gladstone proves renewable gas is “real, viable and working,” and highlighted AGIG’s broader goal to scale up renewable gas using existing networks.

AGIG delivers gas to over two million customers and manages $10 billion in energy infrastructure. The company aims to supply 10% renewable gas by 2030 and reach 100% by 2050.

A Measured Shift Toward Viability

While headlines often focus on large numbers or distant export goals, the developments taking shape across Australia in mid-2025 suggest a different kind of progress. The release of practical technology like CRT’s C-Cell, targeted government funding for industrial users, and the groundwork being laid in places like Newcastle point to a more measured and commercially aware future for hydrogen.

The challenge now is turning this combination of new design, public funding, and infrastructure into a cohesive supply chain—one that not only delivers low-carbon hydrogen but does so in ways that work in today’s industrial and energy contexts.

To read more about Round 2 of the Hydrogen Headstart program, go to the ARENA website here.