40 million lost power on December 28 in Mexico

https://www.google.com/search?q=Mexico+population&gs_ivs=1#tts=0

Leaders of Mexico’s state power utility Comisión Federal de Electricidad (CFE) on Tuesday blamed renewable energy and a brush fire for a massive Dec. 28 power outage that took 8,696 MW of electricity offline, causing about one-third of the country to lose power.

Source: Mexico’s CFE Blames ‘Intermittent’ Renewable Generators for Massive Blackout – Natural Gas Intelligence