The NRC is modernizing nrc.gov with an updated design and improved navigation to enhance usability. We are committed to a smooth transition and will work to minimize any disruption. The site may be briefly unavailable at times during launch. Thank you for your patience.
Preliminary Notification (PN) Reports for 2017
This page includes links to files in non-HTML format. See Plugins, Viewers, and Other Tools for more information.
| December | ||
|---|---|---|
| PNO-III-18-001 | 12/13/2017 | Clinton Power Station: Unplanned Shutdown Greater Than 72 Hours due to Loss of Power to the Division 1 480 Volt Alternating Current (VAC) Bus |
| March | ||
|---|---|---|
| PNO-III-17-001 | 06/14/2017 | Exelon Generation Company, LLC/Braidwood Station, Units 1 & 2 – Release of Circulating Water Containing Tritium Using an Unauthorized Release Path |
| PNO-II-17-002 | 03/23/2017 | Watts Bar Unit 2 Shutdown Due To Condenser Failure |
| PNO-IV-17-001-A | 03/13/2017 | UPDATE: Kakivik Asset Management: Personnel Radiation Exposure Potentially in Excess of Regulatory Limits |
| PNO-IV-17-001 | 03/09/2017 | Kakivik Asset Management: Personnel Radiation Exposure Potentially in Excess of Regulatory Limits |
Page Last Reviewed/Updated Tuesday, September 08, 2026
Page Last Reviewed/Updated Tuesday, September 08, 2026