CES said in a statement that the outage was caused by "condensation from heavy rainfall" that sparked a flashover on one of the building's transformers.
CES 2018: Power Outage, Heavy Rains, and Traffic Creates Problems
According to reports, the power outage happened at around 11:30 PST in the Center Hall, where CES 2018 was being held. It was raining in Las Vegas on Monday and Tuesday - rare for a desert city. While power within the South Hall was restored minutes later, it took two hours to fully restore power in the Central Hall, with conference organisers confirming on Twitter at 1.09pm that power was slowly being rolled out in the Central Hall.
Even after the power was restored, companies had to go through the hassle of resetting devices on display - those connected wirelessly with each other, in particular. Again, thank you for your patience during this time.
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Many attendees and technology journalists were quick to point out the irony of one of the world's largest technology electronics showcases without power. "Even without power, #CES2018 still can't match the ideal black of an #LGOLEDTV".
According to a statement from CES organizers, power went out at around 11:15 in the morning on January 10.
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"We are working hard to restore this temporary power outage at the LVCC [Las Vegas Convention Center]".
And in a sign of the huge energy draw from the tech show, once the crowds were let back in, the return to full, blazing electronic glory was slow. Intel tweeted a photo of the darkened convention center with the caption, "Introducing Blackout: The biggest thing to hit CES 2018 since 5G".
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At Intel's booth, a woman played the violin to entertain the attendees caught in the dark.