An island-wide blackout hit Puerto Rico this week, leaving 1.4 million customers without power and more than 400,000 without water.

Nearly 620,000 are still without power in Puerto Rico on Thursday, more than 24 hours after the entire island lost electricity when its power plants were knocked out of service, the latest breakdown of the territory’s faulty electric grid.

More than 400,000 Puerto Ricans left without water service as power company scrambles to restore critical facilities.