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The largest US electrical grid was ravaged by a massive power outage

Experts and grid operator PJM data indicate that a massive amount of?of _power was abruptly disconnected on Wednesday, causing a disturbance in voltage which could be felt all the way from Washington, D.C., up to Chicago.

It is unknown what caused the incident in PJM Interconnection territory. It demonstrates why state and federal regulators are studying ways to better manage sudden drops in demand from data centres and crypto miners, which can destabilize grids.

The epicenter of the event on Wednesday occurred around 7:55 am. Bob Marshall, CEO at Ting Labs, said that the epicenter of the event occurred in northern Virginia. This is home to the largest number of data centers anywhere in the world. The network of 1.4 million sensors owned by Ting Labs recorded voltage disturbances along the east coast and as far west as Chicago.

Marshall stated that grid disturbances are corrected in milliseconds by operators and utilities. He said that Wednesday's grid disturbance took 10 minutes to stabilize.

Marshall stated that "this was a huge event."

PJM Interconnection (the grid operator for 67,000,000 people in a region that stretches between Washington and Chicago) reported more than 3 gigawatts or 3% of the total electric demand of the grid at the time.

PJM reported that it had registered the sudden fall in power 'demand' and a change to the grid's 'frequency', which measures 'the grid's equilibrium of electricity supply-and-demand. But PJM's reliable was not affected.

Marshall said that "our customers in northern Virginia reported flickering and loud noises coming from their air conditioners?and refrigerators." "The power quality was a big hit."

Dominion Energy, an electric utility in the Dominion Energy territory, did not respond to a request for comment on this event.

(source: Reuters)