Plant I: 25 ktpa LiOH (General Güemes, Salta) ramping; Plant II: ~23 ktpa Li2CO3 at the salar, opened Oct 2026, ramp-up in 2027; MoU for stages III-IV towards 100 ktpa ≈ 45 kt LCE/yr (nameplate)
Location
-25.24°, -66.97°
Northern Salar del Hombre Muerto (Salta/Catamarca border). Location = centre of POSCO's pond complex between the CP1 site (25°12'55.80"S, 66°58'29.40"W) and the CP2 plant (25°15'46.89"S, 66°57'29.65"W) given in POSCO's environmental impact reports (IDB Invest disclosure), checked on imagery. Plant I
Ownership structure
Effective economic interest of listed owners · As of 24 Oct 2026
Mine / resourceSal de Oro (POSCO Argentina)Plant I: 25 ktpa LiOH (General Güemes, Salta) ramping; Plant II: ~23 ktpa Li2CO3 at the salar, opened Oct 2026, ramp-up in 2027; MoU for stages III-IV towards 100 ktpa
Country risk · Argentina
Policy risk: MediumAs of 24 Oct 2026
Royalty
Provincial royalty capped at 3% at the mine mouth; Catamarca and Salta have legislated up to 5%
RIGI investment regime covers lithium and cuts the effective tax rate (Fundar model for a Salta project: 42.8% to 30.4%).
Change history
Approved changes with their source · As of 24 Oct 2026
Date
Field
Change
Source
24 Oct 2026
Notes
new: Added to Li3atlas: Sal de Oro (POSCO Argentina)