Argentina’s state-owned YPF SA and its Malaysian counterpart Petronas have their eyes on reaching a final investment decision in the second half of 2025 for the South American country’s initial LNG exporting plant on its Atlantic Coast.

The proposed plant—one part floating and another part onshore—is slated for the Province of Río Negro would have a capacity of 25 million tonnes per annum (mtpa) to 30 mtpa from 2032 onwards, YPF said in its second-quarter 2024 financial and operational statements.

LNG export capacity would propel Argentina to the top rank in the Latin America and Caribbean LNG exporting space, surpassing Peru’s 4.45-mtpa Peru LNG facility and Trinidad and Tobago’s 14.8-mtpa Atlantic LNG facility.

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The decision to move forward with the project was aided by the recent enactment in Argentina of an initiative regime for large-scale investments, also known as RIGI, YPF CEO Horacio Marin said during the company’s Aug. 9 quarterly webcast with analysts.

RIGI’s main incentives include long-term scope for investments (30 years), tax and customs benefits and gradual free availability for export proceeds, Marin said. Financial and economic uncertainties, from currency controls to high inflation, have long been headwinds for national and international companies in Argentina.

YPF and Petronas had initially planned to build the plant at a port at Bahía Blanca, in the province of Buenos Aires. The new location—decided on in late-July—in Sierra Grande in the province of Río Negro offers some cost-saving advances to the partners compared to Bahía Blanca, Marin said.

“The decision was taken after a deep analysis of technical, economic, environmental, geographic, fiscal [and] regulatory aspects,” Marin said. “In this sense, YPF decided to hire, at its expense, [consultancy] Aguada Toledo, who reconfirmed our analysis conclusions."

Factors influencing the change in location include the shorter distance Vaca Muerta feedgas would travel from the Neuquén Basin to the liquefaction facility. Additionally, the draft in Sierra Grande is deeper than in Bahía Blanca, which would rule out or minimize dredging needed to accommodate large LNG tankers.

Buenos Aires-based YPF expects to own 25% to 30% of the total LNG capacity at the facility, Marin said. And it’s possible that other companies could join the project.

Once completed, the LNG facility will contribute around $15 billion annually to Argentina’s export revenues, significantly boosting the country’s balance of payments, Marin said.

Assuming an estimated facility cost of between $1,100 per tonne to $1,200 per tonne, as revealed last year to Hart Energy by then-YPF CEO Pablo Iuliano, the final price tag for the facility could be between $27.5 billion to $36 billion, excluding additional infrastructure.

Vaca Muerta resource base

Argentina’s Vaca Muerta or “dead cow” shale formation will be the primary source of feedgas to supply the LNG liquefaction facility in Sierra Grande.

The Vaca Muerta crosses the four Argentine provinces of Neuquén, Río Negro, La Pampa and Mendoza, and is the main drilling formation targeted by companies.

Argentina has technically recoverable shale gas resources of 802 Tcf, positioning the Southern Cone country only behind China, which has an estimated 1,115 Tcf.

Alone, Vaca Muerta has technically recoverable shale gas resources of 308 Tcf: 194 Tcf of which is dry gas, 91 Tcf is wet gas and 23 Tcf is associated gas, according to the U.S.-based Energy Information Administration (EIA). These resources put the Vaca Muerta on par with the Permian Basin, according to shale basin data published by Rystad Energy.

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