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Title: System Study: High-Pressure Safety Injection 1998–2013

This report presents an unreliability evaluation of the high-pressure safety injection system (HPSI) at 69 U.S. commercial nuclear power plants. Demand, run hours, and failure data from fiscal year 1998 through 2013 for selected components were obtained from the Institute of Nuclear Power Operations (INPO) Consolidated Events Database (ICES). The unreliability results are trended for the most recent 10-year period while yearly estimates for system unreliability are provided for the entire active period. No statistically significant increasing or decreasing trends were identified in the HPSI results.
  1. Idaho National Lab. (INL), Idaho Falls, ID (United States). Risk Assessment and Management Services Dept.
Publication Date:
OSTI Identifier:
Report Number(s):
TRN: US1601595
DOE Contract Number:
AC07-05ID14517; NRC-HQ-14-D-0018
Resource Type:
Technical Report
Research Org:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Org:
USDOE; US Nuclear Regulatory Commission (NRC)
Country of Publication:
United States
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; PRESSURE RANGE MEGA PA 01-10; NUCLEAR POWER PLANTS; SAFETY INJECTION; DEMAND; EVALUATION; FAILURES; RELIABILITY high-pressure safety injection; operating experience; pressurized water reactor; unreliability