The Atucha I Nuclear Power Plant began construction in June 1968 and became the first nuclear power plant in Latin America. It was connected to the National Electric System on March 19, 1974, and began commercial operation on June 24 of the same year.
Atucha I is located on the right bank of the Paraná de las Palmas River, 100 km from the city of Buenos Aires, in the town of Lima, Zárate District.
Its current gross electrical output is 362 megawatts.
Although it is Argentina’s first nuclear power plant, all of its safety systems have been modernized and meet both local and international standards. Since 2008, Nucleoeléctrica has been carrying out the Atucha I Life Extension Project. Once completed, the project will allow the plant to operate at full power for an additional twenty-four years.

. Type of reactor: SIEMENS pressure vessel.
. Thermal Power: 1.179 MWt
. Gross Electric Power: 362 MWe
. Moderator and Coolant: Heavy Water (D20)
. Fuel: Slightly enriched Uranium (0.85%)
On June 1, 1968, the construction of Atucha I Nuclear Power Plant, a pioneer in Latin America, began.

1974
It was connected to the National Electric System on March 19, 1974, and began its commercial production on June 24 that year, becoming the first nuclear power plant in Latin America.

During 2007, with a load factor of 93.10%, it exceeded its best percentage record obtained in the 1997 generation period with 92.91%.
