[Henk]

Looks like all nuke plants started their diesels where needed. From NRC web site:

The Nuclear Regulatory Commission has been informed that the following nuclear power plants shut down today due to grid instabilities:

Indian Point 2 and 3 (in New York)
Perry (in Ohio)
Fermi (in Michigan)
Ginna (in New York)
FitzPatrick (in New York)
Oyster Creek (in N.J.)
Nine Mile Point 1 and 2 (in New York)

All plants are in a safe condition, using their emergency diesel generators where appropriate. NRC resident inspectors will continue to monitor the situation at the affected plants.

The NRC is monitoring the situation from its Regional and Headquarters Operations Center. Acting Chairman Merrifield is in contact with other federal agencies, including the Department of Homeland Security.

[FairOpinion]

"The Nuclear Regulatory Commission has been informed that the following nuclear power plants shut down today due to grid instabilities:

All plants are in a safe condition, using their emergency diesel generators where appropriate"

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I hope it stays that way. Thanks for posting it.

[ThirdMate]

Do you, or anyone else, know what it takes to restart a nuke plant? I would imagine it is a lengthy process. These would have been emergency shutdowns, is an inspection required?
Just trying to get an idea when production will resume. With that many nukes off the grid, I doubt conventional generators can take up the slack.

Any stationary engineers out there?