Argentine Interconnection System

The Argentine Interconnection System (Spanish: Sistema Argentino de Interconexión, SADI) is a wide area synchronous grid that links the regional networks of all Argentinian provinces, with the exception of Tierra del Fuego.

[6] The interconnection system began by including transmission lines and substations built by AyEE, HIDRONOR and others constructed by private initiative.

This would be included in the 24065 Act, which created the Wholesale Energy Market and the National Electricity Regulatory Entity (ENRE).

[12] It also creates a new public entity to regulate the Interconnection, the National Cargoes Dispatch (DNDC), which would incorporate in 1002 in the form of a sociedad anónima (a private corporation) with the name Compañía Administradora del Mercado Mayorista Eléctrico Sociedad Anónima (CAMMESA).

[13] According to the 2019 annual report by CAMMESA, that year the network showed the following figures:[5] The system connects to several neighboring countries: On 16 June 2019, a large-scale power outage struck most of Argentina, all of Uruguay, and parts of Paraguay.

500 kV transmission line in Comahue.
Unlike in other countries, many power lines with a voltage up to 220 kV are placed on concrete pylons.