Overview
- Four 220 kV lines disconnected at Morón, removing roughly 3,000–3,311 MW and causing a rapid 32% drop in Greater Buenos Aires demand, according to Cammesa.
- At peak, roughly 800,000–1,000,000 Edenor users and about 100,000–200,000 Edesur users lost service, making it the largest AMBA outage in recent years.
- Edenor reported more than half of affected customers were restored within 30 minutes and over 90% within the first hour as staged recovery protocols were activated.
- Metro operator Emova said all subte lines returned to normal operations later in the day after earlier interruptions, while some Mitre branches and the Tren de la Costa experienced prolonged impacts.
- AySA warned of low pressure and possible water interruptions as pumping systems restart in phases, and ENRE/Cammesa websites experienced outages that limited real-time public information.