Cybersecurity threat at Davis-Besse results in NRC demand for information
- Dec 1, 2021 3:58 pm GMT
Nov. 30—OAK HARBOR,
The meeting is off-limits to the public.
Citing security reasons, the NRC does not divulge information to the public about any physical or cyber threats to the nation's nuclear plants. It tightened up restrictions on that policy in response to the
In this case, the only information the NRC is releasing about the cyber threat in question is that it has the potential of becoming a "greater than green" violation.
Green is the lowest type of violation in the NRC's color-coded enforcement program. The other three, in ascending order of severity, are white, yellow, and red.
Its communications team, run by
The NRC said in an
The one undetermined violation is in addition to six findings of very low security significance documented in the NRC's report, according to the letter, signed by
Monday's meeting is to include at least 12 NRC officials and at least seven Energy Harbor officials, according to a meeting announcement approved by
The cybersecurity inspections are part of the NRC's multi-layered "defense-in-depth" program for nuclear plants,
A "range of outcomes" could follow, she said.
"The NRC takes this seriously,"
The cybersecurity issues were revealed days after the public release of a 65-page report which outlined five other violations at Davis-Besse, ones which focused on "multiple diesel generator failures" from July, 2019, to June, 2021, as well as a reactor trip "with multiple complicating equipment issues" this past
The NRC is still assessing the significance of two of those five violations.
Emergency diesel generators are one of the most important safety features of a nuclear plant because they provide backup electricity in the event of a blackout or some other emergency that causes a facility to suddenly lose power.
The federal government requires nuclear plants to have theirs in good working order.
A reactor trip is an industry phrase for an unplanned shutdown, when safety features are automatically or manually activated to immediately shut down the reactor.
NRC online records showed Davis-Besse operating at 100 percent power Monday.
Energy Harbor, formerly known as FirstEnergy Solutions, filed for Chapter 11 bankruptcy in March, 2018 and emerged in February, 2020. It owns Davis-Besse and
Prior to that, they were owned for years by
Davis-Besse is along the western
It is licensed to operate through
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