The Argentinian

Nuclear Regulatory Authority (ARN)

has granted

Nucleoeléctrica Argentina

the renewal of the operating license for the

Atucha II Nuclear Power Plant

for a period of ten years, enabling its operation until 26 May 2036 (Nucleoeléctrica press release, 21/05/2026).

Atucha II is one of the three nuclear power plants operated by Nucleoeléctrica. The plant, with a capacity of 745 MW was commissioned in 2014. Construction started in 1981, but was halted in 1994. It resumed only in 2007. The country has 3 reactors with a capacity of 1.8 GW, accounting for 4% of Argentina’s installed capacity. They represented 7% of the country’s power mix in 2024.