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Helios Project

aka Helios

Israeli climate and space-tech startup that developed molten-regolith electrolysis for extracting oxygen and metals from lunar regolith, then applied the same electrochemistry to a sodium-based process for carbon-free iron and steel on Earth.

lunar economyILISRUlunar oxygengreen steelheliosmatters.com
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Launches

Payloads in Orbit

Active Sats (reported)

Funding Raised

Products & Services

Molten Regolith Electrolysis reactor

development
isru

In-situ resource utilization reactor extracting oxygen and metals from lunar regolith.

Helios Cycle green iron

development
green metallurgy

Sodium-based electrochemical process producing carbon-free iron and steel, emitting only oxygen when renewably powered.

Key Challenges

Scaling the electrochemical process to industrial throughputLunar ISRU is pre-operational with no flight hardware yetHigh lunar launch costs and partner/grant dependence
Roadmap
Green-iron commercial trial with BlueScope2026
in progress
Event Timeline (0 events)

No events recorded.