Argentina: Faulty reprogramming caused 3-nation blackout

BUENOS AIRES, Argentina (AP) — Argentina’s energy secretary says improper reprogramming of the electricity system following installation of a bypass on a major transmission line caused the power outage that left tens of millions of people in three nations without power.
Gustavo Lopetegui told a congressional committee Wednesday that the Transener company that operates the lines failed to account for and reprogram an emergency system after replacing a high-voltage tower. So when a sho