Nuclear Regulatory Commission

Nuclear Reactor Scrams (Since 2011)

Name: Nuclear Reactor Scrams (Since 2011)
Creator: Nuclear Regulatory Commission

Records of emergency shutdowns (scrams) at U.S. commercial nuclear power reactors since 2011, tracking scram frequency and cumulative status at each operating plant. Published by the Nuclear Regulatory Commission.

Example records

Namebrand	Alternate Namelegal entity	Websitewebsite	Year	Scram #quantity	Docketidentifier	Pwr/Bwrclassification	Auto/Manualclassification	Datetemporal	Event Notification Numberidentifier
Browns Ferry Nuclear Plant, Unit 2	Browns Ferry Nuclear Plant	https://www.nrc.gov/reading-rm/doc-collections/eve	2025	8	5000260	B	A	2025-05-12	57705
River Bend Station, Unit 1	River Bend Station	https://www.nrc.gov/reading-rm/doc-collections/eve	2025	7	5000458	B	M	2025-04-08	57655
Monticello Nuclear Generating Plant, Unit 1	Monticello Nuclear Generating Plant	https://www.nrc.gov/reading-rm/doc-collections/eve	2025	6	5000263	B	A	2025-03-19	57618

Use cases

Operational Risk Scoring for Energy Portfolio Investment

An institutional investor evaluating acquisition or equity stake in a nuclear utility operator uses scram frequency and automation patterns to assess whether a reactor's safety record and operational stability justify the valuation and insurance costs.

NameDocketDateScram #Auto/Manual

Supply Chain Vendor Screening for Nuclear Component Suppliers

A manufacturing firm supplying safety-critical components to nuclear plants cross-references scram incident data against reactor models and types to identify which facilities have elevated failure rates, signaling potential design or maintenance issues that could affect their component performance and warranty exposure.

Alternate NamePwr/BwrDateAuto/ManualScram #

Insurance Underwriting and Premium Adjustment

A specialty insurer covering nuclear facility liability and business interruption uses multi-year scram trends and event notification records to recalibrate premiums and coverage limits, distinguishing between facilities with improving safety records and those with rising incident frequency.

NameYearDateScram #Event Notification Number