Series of attacks come after assault on North Carolina facilities cut electricity to 40,000


||| FROM THE GUARDIAN |||


A string of attacks on power facilities in Oregon and Washington has caused alarm and highlighted the vulnerabilities of the US electric grid.

The attacks in the Pacific north-west come just days after a similar assault on North Carolina power stations that cut electricity to 40,000 people.

As first reported by Oregon Public Broadcasting and KUOW Public Radio, there have been at least six attacks, some of which involved firearms and caused residents to lose power. Two of the attacks shared similarities with the incident in Moore county, North Carolina, where two stations were hit by gunfire. Authorities have not yet revealed a motive for the North Carolina attack.

The four Pacific north-west utilities whose equipment was attacked have said they are cooperating with the FBI. The agency has not yet confirmed if it is investigating the incidents.

It’s unknown who is behind the attacks but experts have long warned of discussion among extremists of disrupting the nation’s power grid.

Duke Energy personnel work to restore power in Carthage, North Carolina, on 4 December.

FBI joins investigation into attack on North Carolina power grid

Bonneville Power Administration (BPA) said in a statement on Thursday that it was seeking tips about “trespassing, vandalism and malicious damage of equipment” at a substation in Clackamas county on 24 November that caused damage and required cleanup costing hundreds of thousands of dollars.

“Someone clearly wanted to damage equipment and, possibly, cause a power outage,” said John Lahti, the utility’s transmission vice-president of field services. “We were fortunate to avoid any power supply disruption, which would have jeopardized public safety, increased financial damages and presented challenges to the community on a holiday.”

Any attack on electric infrastructure “potentially puts the safety of the public and our workers at risk”, said BPA, which delivers hydropower across the Pacific north-west .

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