Residual Heat Removal (RHR) System

The residual heat removal (RHR) system is typically a multiple use system with modes of operation for low-pressure injection, shutdown cooling, suppression pool or containment sump cooling, and/or containment spray. Some plants have dedicated systems to accomplish one or more of these modes.

This report shows reliability results for the low-pressure injection mode in response to a large loss of coolant accident (LLOCA) and for the post-trip shutdown-cooling mode of operation.

Current Results (SPAR-based):

• RHR 2022 Summary Update

Historical Results (SPAR-based):

• RHR 2020 Summary Update
• RHR 2018 Summary Update
• RHR 2016 Summary Update
• RHR 2014 Summary Update
• RHR 2013 Summary Update
• RHR 2012 Summary Update
• RHR 2011 Summary Update
• RHR 2010 Summary Update