![]() Neither she nor the Energy Department provided details. Exelon submitted the report out of “an abundance of caution” after being notified of a cyber event experienced by a vendor, not because of an incident within its own operations, spokeswoman Elizabeth Keating said in an email. 23, the day before Thanksgiving, according to the EIA. Duke’s Florida utility faced a physical threat in September as did the Ravenswood Generating Station in New York City and the Brownsville Public Utilities Board in the following weeks, the Energy Information Administration data showed.Įxelon Corp., another utility giant, was listed as having experienced a cyber event on Nov. Earlier data back to 2000 show only a handful of incidents amid less stringent disclosure requirements.Īnother unit of the Energy Department did identify some of the companies in a separate report last week. The Energy Department has consistently disclosed physical and cyber attacks as part of its annual grid disturbances reports going back to 2011. The department’s Office of Cybersecurity, Energy Security & Emergency Response, which collected the data, declined to provide details about the seriousness of the events, the companies involved, the types of facilities or any intentions. The number of cyber events reported rose slightly to nine last year. ![]() The bulk of the rest of the disturbances are tied to severe weather or other operational issues. The share of physical attacks ballooned to 42% from less than a quarter of all incidents in 2021. The total number of reported disturbances that threaten grid reliability was little-changed last year, rising by 3 to 390 events. Regulators, federal authorities and the industry have been working to identify the most vulnerable components of the grid to prevent big blackouts. But the rise in physical attacks is a stunning reminder of how certain targeted infrastructure can lead to significant disruptions and losses. That the web of wires connecting thousands of power plants to supply hundreds of millions of Americans is vulnerable from physical and cyber attacks isn’t new. Substations, which are responsible for stepping down high-voltage power to lower levels that can be delivered safely to homes, became high-profile targets late last year. ![]() The incidents put the network at risk in more than three dozen states, affecting about 90,000 customers. The number of direct physical attacks, including acts of vandalism and other suspicious activity, that potentially threatened grid reliability rose 77% to 163 in 2022 from the previous year, according data released by the US Energy Department Tuesday. (Bloomberg) - Attacks on US power grids rose to an all-time high last year, further straining the sprawling and aging network.
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