Hyundai Steel POSCO Louisiana mill — $5.8B US Green Steel Bet
Hyundai Steel and POSCO are investing $5.8B in a Louisiana mill, aiming to produce green steel by 2029. The facility will use DRI and electric arc furnaces to cut emissions by 70%. The project is a joint venture between Hyundai Steel, Hyundai Motor, Kia, and POSCO, enhancing supply chain resilience and avoiding US tariffs.
How this was made

The 30-second read
Why it matters
The investment secures a domestic supply of automotive steel, reduces exposure to US tariffs, and positions the partners as leaders in green steel, potentially affecting steel and auto sector valuations.
Market read
Large-scale green steel project could reshape US automotive supply chains and influence steel market dynamics.
What to watch
Potential regulatory or environmental permitting challenges in the US.
Background
Hyundai Steel, Hyundai Motor, Kia and POSCO announced a $5.8 billion joint venture to build an electric‑arc furnace steel mill in Louisiana, aiming for 70% lower emissions.
Market effects
US steel and automotive supply chains may see reduced tariff exposure and increased domestic sourcing.
Louisiana industrial activity and employment prospects improve.
Highlights shift toward green steel production, influencing global commodity demand.
Counterpoint
Project delays or cost overruns could dampen expected benefits.
Key entities
- CompanyHyundai Steel
South Korean steel producer, joint venture partner.
- CompanyHyundai Motor
South Korean automaker, joint venture partner.
- CompanyKia
South Korean automaker, joint venture partner.
- CompanyPOSCO
South Korean steelmaker, joint venture partner.


