Puerto Rico's power outage is now the second-largest blackout on record

Updated 6:46 PM ET, Mon April 16, 2018

(CNN)You may have thought the world had run out of superlatives to describe the misery that Hurricane Maria brought to Puerto Rico. Well now, here's another one: second-largest blackout in history.

Since the monster storm slammed into the American Caribbean territory in September 2017 and heavily damaged the power grid, more than 3.4 billion hours of electricity have been lost there. That makes it the second-longest blackout in world history,