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Westinghouse AP300

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Image of Westinghouse AP300

Who:  

Westinghouse Electric Company, LLC
 

What:  

Pre-Application activities associated with a future design certification application.
 

When:  

May 2023 to Present
 

Website:  

https://www.westinghousenuclear.com/energy-systems/ap300-smr

On this page:

Project Overview

The U.S. Nuclear Regulatory Commission (NRC) is currently engaged in pre-application activities with WEC regarding a design certification application for the Westinghouse AP300 SMR. The AP300 SMR is a 300 MWe class, Generation III+, one-loop PWR based on AP1000® reactor proven components, technology, and licensing basis. 

Additional information on pre-application activities can be obtained from ADAMS using a search by docket number 99902111.

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Regulatory Engagement Plan

On February 29, 2024, WEC submitted a non-proprietary periodic update to their regulatory engagement plan. The table below will give members of the public an opportunity to stay informed on WEC’s latest licensing plans.

Title

Date Submitted

AP300 SMR Pre-Application Regulatory Engagement Plan Periodic Update – February 2024

02/29/2024

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White Papers

The below table provides the white papers that WEC has submitted for the NRC staff to review. This table will be updated to include all white papers submitted along with the feedback letter.

Title

Pre-Application Meeting Materials

Reference

Status/Report

Design Description Overview - Proprietary

ML23310A144

Affidavit

Feedback Completed

1E Power System and Safety

ML23340A168

Affidavit

Feedback Completed

Core Design & Fuel Cycle

ML24031A570

Affidavit

Feedback Completed

Nuclear Steam Supply System Configuration & Layout

ML24040A211

Affidavit

Feedback Completed

I&C Concept of Operations

ML24078A368

Affidavit

Feedback Completed

Fuel Handling and Storage

ML24052A273

Affidavit

Feedback Completed

Safety Classification and Seismic Categorization

ML24170B035

Affidavit

Feedback Completed

Licensing Application Approach

Meeting scheduled 12/19/2024

TBD

TBD

Safety Analysis Codes and Methods

ML24284A289

Affidavit

TBD

Probabilistic Risk Assessment

ML24302A205

Affidavit

TBD

Emergency Planning Zone Definition

ML24276A227

Affidavit

TBD

Governing Design Codes & Standards

ML24263A180

Affidavit

TBD

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Contacts

Contacts for Westinghouse AP300

Safety Project Manager

Jason Carneal

Contact a Public Affairs Officer

Page Last Reviewed/Updated Thursday, January 29, 2026

Page Last Reviewed/Updated Thursday, January 29, 2026