Trade and tariff analytics 2026-04-26 11 min read

The Lithium Triangle in 2026: Chile's Codelco Pivot, Argentina's Brine Build, Bolivia's Stalled DLE

Chile converted Atacama into a 50/50 Codelco-SQM JV, Argentina's Olaroz, Hombre Muerto, and Rincon expansions target 130,000 tonnes LCE in 2026, and Bolivia's CATL and Uranium One DLE pilots remain stalled despite 23 million tonnes of resource.

The lithium triangle holds roughly 56 percent of identified global lithium resources (USGS Mineral Commodity Summaries 2025). Chile, Argentina, and Bolivia together accounted for about 28 percent of 2024 mine production of 240,000 tonnes lithium content, against Australia at 37 percent and China at 17 percent. Chile's April 2023 National Lithium Strategy converted the Salar de Atacama into a public-private vehicle, with the formal Codelco-SQM joint venture for 2031 to 2060 signed May 31, 2024 and FNE-approved in December 2024. Argentina brought Cauchari-Olaroz, Centenario-Ratones, and Rincon's starter plant into ramp under the Milei RIGI regime, and the Allkem-Livent merger that closed January 4, 2024 created Arcadium Lithium, acquired by Rio Tinto in March 2025. Bolivia signed framework DLE deals with CATL-led CBC and Uranium One but commercial output remains below 2,500 tonnes LCE per year. Carbonate prices have collapsed from November 2022 peaks above 80,000 dollars per tonne to a 9,000 to 11,000 dollar band in Q1 2026 (Fastmarkets MB).

The global production split: Australia leads, the triangle holds the resource #

The 2024 production map, drawn from USGS Mineral Commodity Summaries (January 2025) reporting in lithium content (multiply by 5.323 for lithium carbonate equivalent), is concentrated. Australia produced 88,000 tonnes of lithium content (about 37 percent of the 240,000 tonne global total, often reported as 52 percent of mined supply once China's domestic spodumene and lepidolite are netted), Chile produced 49,000 tonnes (20 percent), China produced 41,000 tonnes (17 percent), Argentina produced 18,000 tonnes (8 percent), and the United States produced an undisclosed figure estimated at 1,000 to 1,500 tonnes from Silver Peak (Albemarle).

The compositional asymmetry matters. Australia mines spodumene that ships almost entirely to Chinese converters. Chile and Argentina produce battery-grade lithium carbonate directly from brine, capturing margin and processing rents Australia does not. The triangle's resource base, 23 million tonnes in Bolivia, 9.6 million tonnes in Argentina, 9.3 million tonnes in Chile (USGS), is roughly 40 percent of the 105 million tonne global identified resource. Translating resources into 2026 tonnes is what separates the three jurisdictions.

BloombergNEF's January 2026 Lithium-Ion Battery Price Survey put the volume-weighted average pack price at 115 dollars per kilowatt hour for 2025, down 20 percent year on year. The pack-price collapse parallels the carbonate-price collapse and reflects the LFP transition, which tightened carbonate demand against lithium hydroxide for high-nickel NCM.

Country	2024 production (tonnes Li)	Share of mined supply	Identified resources (Mt Li)
Australia	88,000	37 percent	8.7
Chile	49,000	20 percent	9.3
China	41,000	17 percent	6.8
Argentina	18,000	8 percent	9.6
Brazil	10,000	4 percent	0.5
Zimbabwe	22,000	9 percent	0.7
Portugal	380	0.2 percent	0.27
United States	1,100 (estimated)	0.5 percent	14.0
Bolivia	1,500 (estimated)	0.6 percent	23.0
World total	240,000	100 percent	105

Chile: the Codelco-SQM joint venture and the Atacama public-private model #

Chile's reform has a precise origin date. President Gabriel Boric announced the National Lithium Strategy on April 20, 2023, declaring lithium strategic, requiring state participation in any new salar concessions, and instructing Codelco to negotiate a controlling stake in SQM's Atacama operations (CORFO lease expires December 31, 2030) and Albemarle's (lease to 2043). The strategy chose a public-private vehicle over Mexican-style full nationalization, preserving SQM's operating capability and Albemarle's Western offtake.

The Codelco-SQM JV moved from memorandum (December 27, 2023) to the formal partnership on May 31, 2024, to FNE (competition authority) approval in December 2024, to CCHEN authorization in early 2025. Structure: Codelco holds 50 percent plus one share for 2031 to 2060, SQM the residual, the JV targets 280,000 to 300,000 tonnes LCE per year by 2031 (against SQM's 2024 output of about 197,000 tonnes LCE), and CORFO retains the lease. SQM's Q4 2025 6-K shows Atacama production of 51,200 tonnes LCE, realized price 9,300 dollars per tonne, costs near 6,200 dollars, EBITDA margins around 33 percent (down from 75 percent in 2022).

Albemarle's La Negra I to IV (Antofagasta) processed 81,000 tonnes LCE in 2024 against 84,000 tonne capacity (Albemarle 10-K, FY 2024). The CORFO lease runs to 2043 with Chilean-content and preferential-supply obligations (BYD's stalled Antofagasta cathode plant is the test). Cochilco's January 2026 mid-range puts Chilean output at 305,000 tonnes LCE in 2026, 440,000 in 2030, predicated on Codelco-SQM ramp, La Negra IV at nameplate, and the new Maricunga tender (provisionally awarded to Codelco-Rio Tinto, October 2025) reaching first production in 2029.

Argentina: Olaroz, Hombre Muerto, Rincon, and the Milei RIGI tailwind #

Argentina's build is structured around four producing salars in Jujuy, Salta, and Catamarca, plus a half-dozen ramping projects. Olaroz-Cauchari (Jujuy) hosts two assets: Olaroz, originally a 50/50 Allkem (formerly Orocobre) and Toyota Tsusho JV with JEMSE holding 8.5 percent, producing 18,800 tonnes LCE in fiscal 2024 (Arcadium 10-K, FY 2024); and Cauchari-Olaroz, a 44.8 percent Lithium Argentina, 46.7 percent Ganfeng, 8.5 percent JEMSE structure, which produced 25,400 tonnes LCE in calendar 2024 against a 40,000 tonne nameplate. Rio Tinto absorbed Arcadium for 6.7 billion dollars in March 2025.

Hombre Muerto (Catamarca and Salta) is Livent's, now Arcadium-Rio Tinto's, legacy operation, expanded to 40,000 tonnes LCE through Phase 1A and 2, with carbonate priced into long-term Tesla, BMW, and GM offtakes. Adjacent, POSCO operates Sal de Oro at Hombre Muerto Norte under a 280 million dollar capex targeting 25,000 tonnes per year hydroxide by Q4 2026 (POSCO 20-F, FY 2024), with a 75,000 tonne expansion confirmed. Eramet-Tsingshan's Centenario-Ratones (Salta) reached first carbonate November 2024, at 24,000 tonnes nameplate.

Salar del Rincon (Salta) is the Rio Tinto direct-lithium-extraction (DLE) test bed. Rio acquired Rincon for 825 million dollars in March 2022, sanctioned a 350 million dollar 3,000 tonne starter plant (commissioned September 2024), and approved a 2.5 billion dollar 60,000 tonne expansion in December 2024 contingent on RIGI. The Milei RIGI (Regimen de Incentivo para Grandes Inversiones, Ley Bases June 27, 2024) offers 30-year fiscal stability and accelerated VAT refunds for projects above 200 million dollars; lithium projects worth roughly 4.7 billion dollars of capex are under review (Secretaria de Mineria, April 2026). The peso unwind (BCRA crawl at 1 percent monthly from February 2025, official-CCL gap compressed from 175 percent in October 2023 to 18 percent in March 2026) materially improved project economics by reducing the implicit FX tax on dollar-priced exports.

Project	Salar / province	Operator and partners	2024 output (tonnes LCE)	Phase / nameplate
Olaroz	Olaroz-Cauchari, Jujuy	Arcadium (Rio Tinto), Toyota Tsusho, JEMSE	18,800	Stage 2 ramp to 42,500
Cauchari-Olaroz	Olaroz-Cauchari, Jujuy	Lithium Argentina, Ganfeng, JEMSE	25,400	Stage 1 nameplate 40,000
Fenix (Hombre Muerto)	Hombre Muerto, Catamarca	Arcadium (Rio Tinto)	23,000	Phase 1A plus 2 to 40,000
Sal de Oro	Hombre Muerto Norte, Salta	POSCO Holdings	first product 2024	Stage 1 of 25,000 by Q4 2026
Centenario-Ratones	Salar Centenario, Salta	Eramet, Tsingshan	1,400 (commissioning)	Nameplate 24,000
Salar del Rincon	Rincon, Salta	Rio Tinto	1,100 (starter plant)	60,000 expansion sanctioned 2024
Sal de Vida	Hombre Muerto, Catamarca	Arcadium (Rio Tinto)	Stage 1 commissioning	Stage 1 of 15,000
Tres Quebradas	Catamarca	Zijin Mining	first product 2024	20,000 nameplate

Bolivia: 21 million tonnes, two pilot plants, no commercial DLE #

Bolivia's resource base, 23 million tonnes of identified lithium content per the latest USGS revision (up from 21 million tonnes after the Servicio Geologico Boliviano's 2023 Coipasa survey), is the largest single national endowment on Earth. Production is not. Yacimientos de Litio Bolivianos (YLB), the state company created in 2017, operates the Llipi carbonate plant (Salar de Uyuni, 15,000 tonne LCE nameplate) and a potash unit at Palca. Through 2025 cumulative Llipi carbonate output remained below 2,500 tonnes per year against nameplate, due to brine chemistry (magnesium-to-lithium ratio of 18.6 to 1, against Atacama's 6 to 1) that defeats conventional evaporative ponds and requires DLE.

The DLE program runs through Arce-era framework contracts. CBC (a CATL-led consortium with BYD's Brazilian partner BRMS and CMOC) signed a 1.4 billion dollar framework in January 2023 for two DLE plants of 25,000 tonnes LCE each at Uyuni and Coipasa; engineering started in late 2023 but no plant has commissioned as of April 2026. Uranium One Group (Rosatom) signed a 970 million dollar contract in September 2023 for a 14,000 tonne Pastos Grandes plant; ground-breaking occurred in June 2024 but sanctions friction and Russian capex constraints have delayed work. CITIC Guoan signed a 1 billion dollar Coipasa framework in June 2024.

Political ratification has not held. Bolivia's Plurinational Legislative Assembly has not passed the lithium contracts framework, the Senate held CBC and Uranium One in committee through 2024 and 2025 over royalty and equity terms, and the August 2025 first-round elections brought Rodrigo Paz (Christian Democrat) to a runoff against Jorge Quiroga (Libre), with both candidates campaigning on contract revision and Western and Korean partner invitations. The Ministerio de Hidrocarburos y Energias under the new government (sworn in November 2025) has paused execution pending review. Cochilco's January 2026 outlook puts Bolivia at 4,000 tonnes LCE in 2026, 30,000 tonnes in 2030, well below the 80,000 tonne Arce-plan envelope.

The LFP transition and the 2022 to 2026 price collapse #

The lithium chemicals cycle ran from a November 2022 spot peak of 81,360 yuan per tonne (lithium carbonate, 99.5 percent battery grade, Fastmarkets MB), or roughly 80,000 dollars per tonne LCE, to a Q1 2026 spot range of 9,000 to 11,000 dollars. The drawdown is roughly 87 percent peak to trough. Lithium hydroxide fell from above 84,000 dollars in late 2022 to 9,500 dollars in March 2026. Four drivers, by magnitude: EV demand deceleration in 2023 to 2024 as China subsidies expired and European demand softened, supply response from African (Zimbabwe, Mali) lepidolite and Chinese spodumene, inventory destock across the cathode-cell-pack chain, and LFP-NCM substitution that compressed hydroxide demand.

LFP took 47 percent of global passenger EV battery demand in 2024 and 53 percent in 2025 (BNEF, January 2026), with China above 70 percent LFP and the United States at 18 percent (rising on Tesla 4680 LFP, Ford Mustang Mach-E LFP, GM Equinox EV LFP). LFP requires carbonate, not the higher-priced hydroxide that NCM 811 demands. Carbonate-hydroxide spreads inverted: hydroxide traded at a 2,500 dollar premium to carbonate in 2022, a 1,200 dollar discount in March 2026. The implication for the triangle: Argentine and Chilean brines producing carbonate directly are advantaged over Australian spodumene converted predominantly to hydroxide.

The cost curve has rebased. Brine carbonate from Atacama and Hombre Muerto sits at 4,500 to 6,500 dollars per tonne all-in sustaining cost (SQM Q4 2025 6-K, Arcadium FY 2024 10-K). African lepidolite and marginal Chinese Jiangxi mica sit at 11,000 to 14,000 dollars. Australian integrated spodumene-to-hydroxide (Greenbushes, Pilgangoora) sits at 7,500 to 9,000 dollars. At a 10,000 dollar carbonate price, brine producers earn 35 to 50 percent EBITDA margins, integrated Australian spodumene 10 to 25 percent, and African lepidolite is loss-making. Roughly 280,000 tonnes LCE of capacity has been curtailed, deferred, or shut globally since Q3 2023 (BNEF Lithium Capacity Tracker, January 2026).

Outlook 2026 to 2030: who supplies the next 600,000 tonnes #

BNEF's January 2026 base case puts global lithium demand at 1.85 million tonnes LCE in 2030 against 1.20 million tonnes in 2024, a 7.5 percent compound rate well below 22 percent in 2018 to 2024. The supply-demand balance shows surplus through 2027, near-balance in 2028, and deficit from 2029 if deferred Australian and African projects do not restart. Cochilco has Chile at 305,000 tonnes LCE in 2026, 440,000 in 2030; the Servicio Geologico Argentino's 2025 Plan Estrategico Litio has Argentina at 130,000 tonnes in 2026, 280,000 in 2030; Bolivia (conditional on the Paz contract review) at 30,000 tonnes by 2030. The triangle's combined 750,000 tonnes by 2030 represents about 75 percent of net global supply growth from the 280,000 tonne 2024 base.

Three risks dominate. First, price: sustained sub-9,000 dollar carbonate defers Argentina's 2027 to 2028 expansion wave, particularly Rincon's 60,000 tonne sanction, which Rio Tinto pegged to a long-run real price of 13,000 dollars. Second, water: Atacama and the Argentine puna face documented aquifer drawdown (Cochilco 2024 monitoring shows nucleus brine extraction down 21 percent under the SQM-CORFO 2018 amendment), with freshwater stress on indigenous communities the politically binding constraint. Third, jurisdictional: Argentina's RIGI is challenged in Salta and Catamarca over royalty pre-emption; Bolivia's contract framework awaits politically contested ratification.

The strategic implication, from the Trade and Tariff Analytics view developed in our Argus and Strategos platforms, is that lithium offtake security in 2027 to 2030 sits primarily in Chile (Codelco-SQM JV plus Albemarle La Negra), secondarily in Argentina (Arcadium-Rio Tinto, Lithium Argentina-Ganfeng), and not in Bolivia. The Inflation Reduction Act 30D rules, with 2024 FEOC guidance, advantage Chilean and Argentine carbonate over Chinese-converted Australian hydroxide. Triangle rents accrue to the lowest-cost brine, the integrated public-private vehicle, and operators that converted 2022 cash into 2025 capex without overpaying.

Sources #

Cite this brief

@misc{hossen2026chileargentinalithiumtriangle2026,
  author = {Hossen, Md Deluair},
  title  = {The Lithium Triangle in 2026: Chile's Codelco Pivot, Argentina's Brine Build, Bolivia's Stalled DLE},
  year   = {2026},
  url    = {https://deluair.com/consultancy/insights/chile-argentina-lithium-triangle-2026},
  note   = {Deluair Consultancy briefs}
}

Hossen, M. D. (2026). The Lithium Triangle in 2026: Chile's Codelco Pivot, Argentina's Brine Build, Bolivia's Stalled DLE. Deluair Consultancy briefs. https://deluair.com/consultancy/insights/chile-argentina-lithium-triangle-2026

Hossen, Md Deluair. "The Lithium Triangle in 2026: Chile's Codelco Pivot, Argentina's Brine Build, Bolivia's Stalled DLE." Deluair Consultancy briefs, 2026-04-26. https://deluair.com/consultancy/insights/chile-argentina-lithium-triangle-2026.

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