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Attacks on 4 Washington substations cut power to thousands, officials say


A Tacoma Power crew worked at an electrical substation damaged by vandals early on Christmas morning in Graham, Wash.

By Livia Albeck-Ripka


Local authorities in Washington state are investigating a series of Christmas Day attacks on four power substations that knocked out power to thousands of customers in the region and have raised concerns once again about the security of the nation’s power grid.


The attacks come just weeks after two substations in North Carolina were damaged by assailants who disabled equipment with gunfire, leaving about 45,000 customers in rural Moore County without power for days. Those attacks highlighted growing concerns that the power grid could be a target for extremist groups and prompted federal regulators to order a review of security standards for the nation’s power grid.


Authorities in Pierce County, Washington, said that they had no suspects and were still in the early stages of their investigation.


“At this time, deputies are conducting the initial investigation,” the Pierce County Sheriff’s Department said in a statement. “We do not have any suspects in custody. It is unknown if there are any motives or if this was a coordinated attack on the power systems.”


According to the sheriff’s department, the first attack occurred sometime before 5:30 a.m. Sunday, when deputies received a call that a Tacoma Public Utilities substation about 20 miles south of downtown Tacoma had been broken into.


“Nothing had been taken from the substation, but the suspect vandalized the equipment causing a power outage,” the sheriff’s department said. Authorities said that they were soon notified of a second break-in at another substation, just over 2.5 miles east.


Tacoma Power, which manages both substations, said that more than 7,000 customers in the regions of Elk Plain and Graham were without power after the attack.


“Earlier this month, we were alerted by federal law enforcement of a security alert for the electrical grid,” the utility company said in a statement, adding that it could not share any further details about its security tactics or the attacks.


Late Sunday morning, Puget Sound Energy notified authorities that it had also experienced a power failure just before 2:40 a.m. that day. The sheriff’s department said it confirmed that one of the utility’s substations had also been broken into and vandalized.


That evening, just after 7:20 p.m., dispatchers were notified of a fire at a second Puget Sound Energy substation, which the sheriff’s department said had been caused by a vandal and knocked out power to homes in the area.


The utility said it was coordinating with the authorities and could not comment further on the investigation. “PSE has extensive measures to monitor, protect and minimize the risk to our equipment and infrastructure,” the utility company wrote in an email Monday, adding that power to all affected customers had since been restored.


Sheriff’s department officials did not immediately respond to requests for further comment Monday, but a dispatcher said by phone that the FBI was now leading the investigation into the attacks.


The Seattle office of the FBI said that while it was “aware of the reports,” it could not confirm whether or not the agency was looking into them.


“We routinely share information with our local partners and take threats against our infrastructure seriously,” Steve Bernd, an FBI spokesperson, wrote in an email Monday evening. “We urge anyone with information to contact law enforcement.”


The FBI has confirmed that it is also investigating the Dec. 3 gunfire attacks on the power grid in Moore County, North Carolina.


Gov. Roy Cooper said after the attacks in North Carolina that whoever carried out the assault “knew exactly what they were doing,” and that the episode had drawn attention to the importance of protecting critical infrastructure.



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