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This ASX-listed materials play says its green iron is now almost as cheap as the regular kind

ASX-listed Calix has perfected its green iron recipe and claims it is only slightly more expensive than the regular fossil fuel variety.

Calix's BatMn reactor in Bacchus Marsh, Victoria has been used for the green iron trials. Supplied.

The “green premium” between the price of zero-emissions iron made using hydrogen and its traditional fossil fuel counterpart has almost shrunk into insignificance.

At least that is the message from $400 million ASX-listed green materials play Calix. The company uses a cement kiln technology to manufacture hot briquetted iron from hydrogen and iron ore. During a recently completed Front End Engineering Design (FEED) study, it discovered its green product cost dramatically less than it was expecting

The company told the ASX on Monday that a demonstration plant could produce green iron for approximately $630-800 per tonne. This is within the $536-720 range International Energy Estimates that the most expensive fossil fuel steel costs to make.

Calix CEO Phil Hodgson told Capital Brief he is taking it as a win because regular magnetic iron plants cost a lot to build and the iron has to be pelletised before it can be made into steel.