Story highlights About 12 hours into the blackout, power had been restored to just over 130,000 customers

Public schools canceled classes and government employees were asked to work limited hours (CNN) Puerto Rico has gone dark. A power outage on the island has left nearly 1.5 million people without power, according to a statement from the government-run electric company AEE. The blackout is affecting most of the US territory, causing traffic jams and forcing business closures. CNN Map

About 12 hours into the blackout power had been restored to just over 130,000 customers, Puerto Rico Gov. Alejandro García Padilla said Thursday morning.

That still left about a third of the population without power.

Read More