- The polar cold snap reveals the deep fragility of Argentina’s energy system
- Critical measures taken to prioritize residential supply
- Massive power outages hit AMBA during the coldest nights
- Widespread cuts affect several regions across the country
- Systemic investment gap behind ongoing energy instability
- Gas pipeline operating below capacity due to technical failures
The polar cold snap reveals the deep fragility of Argentina’s energy system
In the nation of Vaca Muerta, home to the world’s second-largest shale gas reserve, this week’s bitter cold wave laid bare the structural weaknesses of an energy network strained by decades of underinvestment, tariff delays, and ongoing macroeconomic instability.
As temperatures plunged below freezing, record demand for natural gas pushed the system to its limits. In Mar del Plata, Buenos Aires Province, some households experienced gas supply cuts—an outcome generally avoided due to the complex process and risks involved in restoring gas flow to residential users. Simultaneously, there were electricity outages reported across the Buenos Aires Metropolitan Area (AMBA).
In response to the escalating crisis, the Emergency Executive Committee, comprising Enargas and major gas transportation and distribution companies, held three emergency meetings in under 24 hours.
Critical measures taken to prioritize residential supply
To protect residential access, authorities ordered the suspension of gas supply to industrial users, including some with non-interruptible contracts, as well as to CNG stations, and also restricted gas exports to Chile. Despite these efforts, gas outages still affected several residential areas in Buenos Aires, with no full restoration expected before Friday, July 4.
In parallel, Minister of Economy Luis Caputo signed a Memorandum of Understanding with Paraguay to assess the possibility of exporting natural gas—a move that echoes a similar agreement with Brazil reached at the end of last year.
Massive power outages hit AMBA during the coldest nights
As gas consumption surged, the power grid also came under strain. Early Tuesday morning, around 100,000 users in the AMBA region were left without power. Edesur, the electricity provider, issued a statement citing external energy generation issues, forcing them to implement preventive outages across several neighborhoods—during one of the coldest nights of the year, when many residential buildings rely exclusively on electric heating.
Widespread cuts affect several regions across the country
The Secretary of Energy, María Tettamanti, confirmed in an official statement that the firm contracts for CNG and industrial gas supply had been interrupted in large zones: Buenos Aires North, North-Central, Litoral, North, Northwest, Cuyo, and South. In other provinces, intermittent contracts were partially limited or reduced to technical minimums, even under firm agreements.
In Mar del Plata, the situation intensified with power outages accompanying the gas cuts. In response, Mayor Guillermo Montenegro activated the General Pueyrredón Municipal Crisis Committee, which suspended all school activities and closed public sports and cultural centers, maintaining only essential services like hospitals and senior homes.
Systemic investment gap behind ongoing energy instability
Energy experts estimate that restoring the quality of service to levels seen two decades ago would require over $25 billion in investments. According to former Energy Secretary Emilio Apud, the current administration is unwilling to finance this through public spending or increased tariffs, placing the burden on private sector investment.
The lingering impact of past policies continues to affect the sector. “Guillermo Moreno left a lasting mark on this industry,” said a source from the electric sector, suggesting that while the word emergency may be politically uncomfortable, public awareness of the issue is vital.
Gas pipeline operating below capacity due to technical failures
This week’s spike in natural gas demand was worsened by technical failures in some Vaca Muerta extraction fields and transportation issues, which reduced the Perito Moreno (formerly Néstor Kirchner) pipeline’s capacity to just 70%. Official sources indicated a shortfall of 6 to 7 million cubic meters per day, while the pipeline is designed to handle 22 million cubic meters daily.
As winter weather patterns persist, the government is closely monitoring the situation. The cold front is expected to ease starting Thursday, July 3, offering some temporary relief to an energy system clearly operating at the edge of collapse.
