Report Highlights

Country Macro Context

Argentina's macroeconomic trajectory under President Javier Milei (inaugurated December 2023) represents the most significant policy shift affecting the mining investment climate in a generation. The peso devaluation to approximately ARS 800–850/USD at December 2023 unification, followed by gradual crawling peg depreciation, has materially reduced Argentine lithium production costs in dollar terms — field operations, labour, and domestic procurement now cost approximately 25%–35% less in USD than at pre-devaluation peso rates for the same physical operations. This cost deflation is partially offset by imported capital equipment costs that have increased proportionally, but net operating costs for brine lithium projects — predominantly peso-denominated — have improved substantially. The Milei government's fiscal consolidation programme — targeting elimination of the primary fiscal deficit achieved in Q1 2024 for the first time since 2008 — has improved sovereign risk perception, with Argentine sovereign spreads (EMBI+) compressing from approximately 2,800 bps in late 2023 to approximately 800 bps by mid-2024, reducing the political risk premium that had constrained project financing terms.

The RIGI large investment incentive regime — enacted July 2024 — provides qualifying mining projects above USD 200 million with a 25% corporate tax rate (versus 35% standard), a 35-year stability guarantee on tax and regulatory treatment, and a 30% export tariff cap for the first four years of export. For lithium brine projects with capital costs of USD 400–900 million per phase, RIGI provides an estimated 15%–20% improvement in project NPV at a USD 20/kg lithium carbonate price — materially improving investment economics for projects that had been deferred under pre-2024 fiscal conditions. Argentine lithium export volumes are projected to triple between 2024 and 2030 as construction-stage projects at Fenix (Allkem), Tres Quebradas (Lithium Americas-POSCO), and Cauchari-Olaroz Phase 2 reach commercial production.

Industry Snapshot

The Argentina Lithium Mining market was valued at approximately USD 3.8 billion in 2024 and is projected to reach approximately USD 18.4 billion by 2034, growing at a CAGR of 17.1%–19.3% over the forecast period. Argentina's lithium brine resource — concentrated in the high-altitude Puna plateau salares of Jujuy, Salta, and Catamarca at elevations of 3,500–4,200 metres — is characterised by lithium concentrations of 400–900 mg/L, significantly lower grade than the Atacama brine (1,500–2,000 mg/L) but recovering through evaporation pond processes that are increasingly enhanced by direct lithium extraction (DLE) technology deployment at Livcorp (formerly Livent) Fenix and newer projects. Argentina's brine lithium production cost — approximately USD 3,800–5,500 per tonne lithium carbonate equivalent (LCE) at established operations — is higher than Atacama benchmark operations but competitive on a landed cost basis for Asian and European buyers factoring in transport and geopolitical diversification premium.

The macro environment's impact on competitive positioning versus Chile is nuanced. Chile's Atacama brine has lower grade-adjusted production cost but faces SQM and Albemarle royalty renegotiations and a new Chilean Mining Code with increased indigenous consultation requirements that have introduced development timeline uncertainty. Argentina's provincial-level lithium governance — where mining rights are administered by provincial governments rather than the federal government — creates a different regulatory architecture: more variable across provinces but faster to navigate for projects with strong provincial government relationships. Jujuy province's Jujuy Lithium state company (Jujuy Energía y Minería Sociedad del Estado, JEMSE) holds a 15% stake in Exar Capital projects — a precedent that other provincial governments are emulating, requiring foreign investors to include provincial equity participation in project structures.

Market Growth Drivers

Project construction pipeline materialisation is the primary near-term growth driver. By 2024, Argentina had three operational lithium projects: Livent's Fenix (Salta, approximately 26,000 tpa LCE capacity), Allkem's Olaroz (Jujuy, approximately 17,500 tpa LCE), and Allkem's Salta brine operations. Projects under construction or advanced development include Cauchari-Olaroz Phase 2 (Lithium Americas-POSCO, 40,000 tpa LCE, Jujuy), Sal de Vida (Allkem/Arcadium, 32,000 tpa LCE, Catamarca), Fenix Phase 2 (Arcadium, 20,000 tpa incremental, Salta), Tres Quebradas (Lithium Americas-POSCO, 40,000 tpa LCE, Catamarca), and Mariana (Ganfeng Lithium, 20,000 tpa LCE, Salta). Full commissioning of these projects by 2028–2029 would increase Argentina's lithium carbonate export capacity from approximately 43,500 tpa in 2024 to approximately 220,000–250,000 tpa — a 5–6x increase representing the largest incremental supply addition in the global lithium market from any single country.

POSCO Holdings' integration strategy — producing nickel-manganese-cobalt (NMC) precursor cathode materials in Korea using Argentine lithium hydroxide — is a demand anchor that creates both supply security and price premium for POSCO's Argentine lithium projects (Tres Quebradas and Cauchari-Olaroz Phase 2). This vertically integrated model is being replicated by other Korean and Japanese battery companies seeking IRA-qualified South American lithium supply: Samsung SDI has signed offtake frameworks with multiple Argentine exploration-stage projects, and Toyota Tsusho holds stakes in the Salta brine operations and Cauchari exploration. The combination of Korean and Japanese battery supply chain demand with Milei RIGI incentives for projects above USD 200 million is creating the conditions for accelerated final investment decisions on projects that had been on hold since 2022.

Market Restraints and Challenges

Currency convertibility risk is the dominant investor concern. Argentina's history of capital controls — restricting repatriation of mining revenues and limiting access to official exchange rates — creates a permanent discount in project NPV relative to comparable projects in Chile or Australia. The Milei government's gradual exchange rate unification and capital control reduction have improved the near-term convertibility outlook, but Argentina has imposed capital controls multiple times in the past 20 years and the structural risk of their reimposition under adverse macro conditions cannot be eliminated by current policy commitments. The RIGI stability guarantee provides legal protection against new restrictions for qualifying projects, but enforcement against a sovereign has historical precedent of limited practical effectiveness in Argentina.

Water access and indigenous community consultation requirements are increasing project development timelines. The Puna plateau's salares are within water-scarce ecosystems supporting fragile flamingo habitat and indigenous Atacameño and Omaguaca communities with ancestral water rights protected by Argentina's Constitution and ILO Convention 169. Free, prior, and informed consent (FPIC) requirements have extended consultation processes at Tres Quebradas, Sal de Vida, and Mariana from planned 12–18 months to 24–36 months, adding schedule and cost risk to financial models. Environmental impact assessment requirements for brine extraction projects — administered by provincial environment ministries under the National Environment Framework Law — are variable in rigour and processing time, creating provincial-level schedule uncertainty that national-level investors find difficult to model.

Emerging Opportunities

Direct lithium extraction (DLE) technology deployment at Argentine brine operations offers the potential to reduce production costs by 25%–35% and cut fresh water consumption by 80%–90% versus conventional evaporation pond methods — addressing simultaneously the cost competitiveness and community environmental consent challenges. EnergySource Minerals, Lilac Solutions, and Standard Lithium are advancing DLE pilot projects in Salta and Jujuy with Argentine federal and provincial government support, and Arcadium Lithium (formerly Livent) is deploying a hybrid evaporation-DLE process at Fenix Phase 2. Successful commercial-scale DLE deployment in Argentina would transform the province's resource base economics — lithium brines with concentrations below 200 mg/L currently considered sub-economic become viable — materially expanding the investable resource base.

In-country lithium hydroxide conversion — producing battery-grade LiOH·H₂O domestically rather than exporting lithium carbonate for Chinese conversion — represents the highest-value processing opportunity available under RIGI incentives. POSCO's Cauchari-Olaroz project includes a Phase 2 hydroxide conversion plant in Jujuy. If Argentina can develop 3–4 hydroxide conversion facilities proximate to brine operations by 2030, it would capture an additional USD 4,000–6,000 per tonne in processing value versus carbonate exports — a significant GDP contribution and employment creator in the Puna provinces. The technology and capital for hydroxide conversion are available; the constraint is water availability and trained process engineering workforce at 3,900 metre altitude.

Regulatory and Policy Landscape

Argentina's lithium regulatory framework operates at two levels. Federally, the Mining Code (Law 24.196, the Mining Investment Law) provides the national framework — 35% corporate income tax, 3% royalty on pit-head value, and stability guarantees for qualifying investment applications. The RIGI (Law 27.742, July 2024) provides an overlay regime for projects above USD 200 million offering 25% corporate tax, accelerated depreciation, and 30-year stability. Provincially, mineral rights are provincial property under Argentina's Constitution — Jujuy, Salta, and Catamarca each administer their own mining licences, provincial royalties (ranging from 3% to 5% of well-head value), and environmental approval processes, with provincial state companies (JEMSE in Jujuy, REMSA in Salta) holding equity participation rights in major projects. This dual-level framework creates complexity but also flexibility — investors with strong provincial government relationships can navigate approval processes faster than the federal timeline would suggest.

Competitive Landscape

Arcadium Lithium (the 2024 merger of Allkem and Livent, acquired by Rio Tinto in 2024) is the dominant operating company with Fenix, Olaroz, and Sal de Vida representing the largest installed and under-construction capacity in Argentina. POSCO Holdings' Argentine operations through Lithium Americas stake in Cauchari-Olaroz and Tres Quebradas — combined with POSCO Chemical's Korean cathode manufacturing — represent the most advanced vertically integrated Korean battery supply chain position. Ganfeng Lithium holds the Mariana project in Salta, providing Chinese lithium supply chain diversification from Ganfeng's primary Australian and Chinese assets. Sigma Lithium (Canadian-listed, Grota do Cirilo hard-rock project in Brazil) is developing exploration-stage Argentinian brine assets as optionality alongside its primary Brazilian operation.

Leading Market Participants

• Arcadium Lithium (Rio Tinto)
• POSCO Argentina (Cauchari-Olaroz)
• Lithium Americas
• Ganfeng Lithium (Mariana Project)
• Eramet (Centenario-Ratones)
• Zijin Mining (Tres Quebradas)
• Toyota Tsusho (Salta Brine)
• JEMSE (Jujuy State Company)
• Eramine Sudamerica (Centenario)
• Lithium Chile

Long-Term Market Perspective

Argentina's lithium market trajectory through 2034 is one of significant supply expansion enabled by geological endowment and improved investment climate under RIGI, constrained by the persistent sovereign risk premium that increases project financing cost relative to Chilean and Australian peers. The central scenario — approximately 5–6x production increase from 2024 to 2030 — positions Argentina as the world's second-largest lithium producer after Chile by 2028, overtaking Australia's hard-rock production base on LCE equivalent terms. By 2034, Argentina's share of global lithium supply is projected to rise from approximately 6% in 2024 to approximately 18%–22%, materially diversifying global lithium supply geography away from Chilean and Australian concentration.

The macro scenario with greatest positive impact is sustained Milei government economic stabilisation — peso convertibility normalisation, IMF programme completion, and continued RIGI implementation certainty — which would reduce project financing spreads from approximately 350–500 bps above Chilean equivalent projects to 150–250 bps, materially improving project economics and accelerating FID timelines. The scenario with greatest negative impact is macro instability triggering reimposition of capital controls — historically a recurring Argentine policy response to external account pressure — which would create project revenue repatriation risk causing project deferrals and offtake partner reassessments. The structural hedge against this scenario is RIGI stability guarantees covering repatriation rights for qualifying projects — an explicit Milei government commitment whose durability under successor governments cannot be fully assured.