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Reactor Oversight Process (ROP)

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The Reactor Oversight Process is the U.S. Nuclear Regulatory Commission (NRC)'s program to inspect, measure, and assess the safety and security performance of operating commercial nuclear power plants, and to respond to any decline in their performance. If you have any questions, please use our Contact Us form.

icon/hyperlink for Framework of the ROP page consisting of a magenta-colored circle with light green outline and in the center a white outline of 6 rectangular boxes joined together

ROP Framework

icon/hyperlink for: Plant-by-Plant Summaries, consisting of a green circle with light green outline and in the center, two stagered white shapes of a nuclear reactor cooling tower

Plant Summaries

icon/hyperlink for: Performance Indicators page, consisting of a medium-blue circle with light green outline, and in the center is a white image of a speedometer guage with its needle pointing over to the high end of the scale.

Performance Indicators

icon/hyperlink for: Inspection Findings page, consisting of an orange circle with light green outline, and in the center, a while image of a flashlight at a 45 degree angle to the right

Inspection Findings

icon/hyperlink to Inspection Reports page, consisting of a grey circle with light green outline and in the center, 3 cascading white images of a blank document

Inspection Reports

icon/hyperlink for: Assessment of Plant Performance (Action Matrix) pages, consisting of a magenta circle with a light green outline and in the center, a white image of a clipboard and a big, white check mark inside.

Assessment of Plant Performance (Action Matrix)

icon/hyperlink for: Evaluation of the ROP page; consisting of a circle target image with light green outline and red and white alternating rings with a large white arrowhead pointer pointing in the center

ROP Evaluation

icon/hyperlink for: Communications and Public Involvement page, consisting of a medium-green circle with light green outline and in the center is a purple and white image of caption bubles

Communications and Public Involvement

icon/hyperlink for: Transitioning in: New Plants page, consisting of an orange circle with light green outline, and in the center, a white shape of a nuclear reactor cooling tower with an arrow on the left, pointing in towards the center.

Transitioning In:
New Plants

icon/hyperlink to Transitioning out: Decommissioning Plants page, consisting of a medium-blue circle with a light green outline, and in the center is a white shape of a nuclear reactor cooling tower with an arrow pointing from the center outward

Transitioning Out:
Decommissioning Plants

icon/hyperlink for: ROP References page, consisting of a medium-green circle with light green outline, and in the center are 3 white images of book ends stacked together

ROP References

Page Last Reviewed/Updated Thursday, August 27, 2026

Key Topics

Page Last Reviewed/Updated Thursday, August 27, 2026