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LIGHT WATER REACTOR SUSTAINABILITY PROGRAM




The mission of the Light Water Reactor Sustainability Program is to develop the scientific basis, and science-based methodologies and tools, for the safe economical long-term operation of the nation's high-performing fleet of commercial nuclear energy facilities.

Recent Newsletter Articles


Recent Technical Reports



  
  
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Extending reactor life, accurately measuring material stress, LWRS Program research develops tools to assess fracture toughnessOperating nuclear power reactors at HBU levels can significantly reduce costs associated with refueling and licensing, leading to substantial economic benefits for plant owners.
Supporting the Industry Cost-Saving Initiative for Longer Operating Cycles: Accident Source Term Analysis of High-Burnup Operation01Industry Cost-Saving Initiative
An Approach to Performance-Based, Risk-Informed Evaluations of a Site’s Physical Protection Strategy – the Vulnerability Assessment ProcessAn Approach to Performance-Based, Risk-Informed Evaluations of a Site’s Physical Protection Strategy – the Vulnerability Assessment Process.  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .

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An Approach to Performance-Based, Risk-Informed Evaluations of a Site’s Physical Protection Strategy – the Vulnerability Assessment Process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02Performance-Based, Risk-Informed Evaluations
Simple Calculator Evaluates Nuclear Hydrogen Market OpportunitiesNuclear energy from existing U.S. light water reactors  can efficiently vaporize water into steam for use in high temperature electrolysis.
Simple Calculator Evaluates Nuclear Hydrogen Market Opportunities03Calculator Evaluates Nuclear Hydrogen Market
Development of a Technical, Economic, and Risk Assessment Framework for the Evaluation of Work Reduction OpportunitiesLWRS Program collaborated with Sargent & Lundy, LLC and Southern Nuclear Company on a practical application of TERA.
Development of a Technical, Economic, and Risk Assessment Framework for the Evaluation of Work Reduction Opportunities04Technical, Economic, and Risk Assessment Framework
Machine Learning Emerges as a New Tool for Assessing Reactor Pressure Vessel EmbrittlementMachine learning provides an advanced “data-centered”  alternative approach, which reveals flux effects, without  any guidance from a priori assumptions about mechanisms  and models
Machine Learning Emerges as a New Tool for Assessing Reactor Pressure Vessel Embrittlement05ML a New Tool for Assessing Reactor Pressure Vessel
Commie Byrum, Physical Security Pathway LeadCommie Byrum, Physical Security Pathway Lead
Better Together: EMRALD-HUNTER06Commie Byrum, Physical Security Pathway Lead
 
  
  
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INL_RPT_24-77203 1.pngINL_RPT_24-77203 12550 x 33001583 KB 3/27/2024 12:22 PM150Safety Analysis of Chromium-Coated Accident-Tolerant Fuels with Increased Enrichment and Extended Burnup for PWRs, INL/RPT-24-77203
LWRS_Program_Overview_Accomplishments_2023.jpgLWRS_Program_Overview_Accomplishments_20232550 x 3300295 KB 4/24/2024 4:16 PM153Light Water Reactor Sustainability Program Accomplishments Report, 2023
MethodologicalGuidelineIndustryFocusing.pngMethodologicalGuidelineIndustryFocusing1700 x 22001723 KB 4/2/2024 8:55 AM152Methodological guideline for industry focusing on characterization procedures to assess the risk of irradiation degradation of concrete in the biological shield, ORNL/TM-2024/3287
Pages from INL-RPT-24-77206.pngPages from INL-RPT-24-772062550 x 33001580 KB 3/29/2024 12:06 PM151Preconceptual Designs of 50% and 70% Thermal Power Extraction Systems, INL/RPT- 24-77206
PWR-Controls.pngPWR-Controls2550 x 33001402 KB 4/29/2024 1:08 PM154Design Basis for Control System Implementation in a PWR to Enable 30-100% Thermal Power Extraction, INL/RPT-24-77786
PWR-TES_Coupling.pngPWR-TES_Coupling1700 x 2200754 KB 2/12/2024 2:50 PM147https://lwrs.inl.gov/Flexible%20Plant%20Operation%20and%20Generation/PWR-TES_Coupling.pdf