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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

This R&D is focused on developing methods and tools to enable nuclear power plants to transition to a risk-informed predictive maintenance strategy for management of their equipment.Scalability of Risk-informed Predictive Maintenance Strategy
Scalability of Risk-informed Predictive Maintenance Strategy01Risk-informed Predictive Maintenance Strategy
LWRS Program is developing nuclear power plant simulators that directly couple nuclear plants to industrial processes, such as electrolysis for hydrogen generation and industries that use steam for heating and concentrating process streams.Integrating Nuclear Power with High Temperature Industrial Processes
Integrating Nuclear Power with High Temperature Industrial Processes02Integrating Nuclear Power with HT Industrial Processes
The U.S. nuclear industry is facing a strong challenge to ensure maximum safety while enhancing economic performance.RISA Plant Reload Process Optimization
RISA Plant Reload Process Optimization03RISA Plant Reload Process Optimization
Irradiation-assisted stress corrosion cracking (IASCC) has been widely recognized as a major degradation mode for reactor core structural materials and is of most concern for reactors with a life extension of 60 to 80 years.Developing a Mechanistic Understanding of Irradiation-Assisted Stress Corrosion Crack Initiation
Developing a Mechanistic Understanding of Irradiation-Assisted Stress Corrosion Crack Initiation04Irradiation-Assisted Stress Corrosion Crack Initiation
The requirements for U.S. nuclear power plants to maintain a large onsite physical security force contribute to their operational costs.Economic Analysis of Physical Security at Nuclear Power Plants
Economic Analysis of Physical Security at Nuclear Power Plants05Economic Analysis of Physical Security at NPP
During his five-decade public service career, Dr. Peter Lyons made significant contributions to nuclear science and policy in the United States.In Remembrance of Dr. Peter Lyons
In Remembrance of Dr. Peter Lyons06In Remembrance of Dr. Peter Lyons
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EffectThermalAgingIrradiationMicrostructure.pngEffectThermalAgingIrradiationMicrostructure816 x 105637 KB 10/29/2021 11:54 AM112Effect of thermal aging and irradiation on microstructure and crack growth response of Alloy 690
Heat-Dispatch-GPWR-Simulator.pngHeat-Dispatch-GPWR-Simulator372 x 48197 KB 11/1/2021 7:20 AM113
HUNTER_RISA.pngHUNTER_RISA2550 x 33002069 KB 10/29/2021 11:31 AM110An Adaptable Software Toolkit for Dynamic Human Reliability Analysis: Progress Toward HUNTER 2
NDE_of_Cable_Moisture_Exposure.pngNDE_of_Cable_Moisture_Exposure372 x 4811969 KB 9/17/2021 10:39 AM104Nondestructive Evaluation (NDE) of Cable Moisture Exposure using Frequency Domain Reflectometry (FDR)
Overview_Accomplishments.pngOverview_Accomplishments2550 x 33001947 KB 9/17/2021 12:51 PM103Overview and Accomplishments Sustaining NationalNuclear Interests
ScalableTechnologies.pngScalableTechnologies2550 x 33002149 KB 10/29/2021 11:31 AM109Scalable Technologies Achieving Risk-Informed Condition-Based Predictive Maintenance Enhancing the Economic Performance of Operating Nuclear Power Plants, INL/EXT-21-64168. (3) (3)372 x 48195 KB 10/29/2021 11:44 AM111Electrochemical profiling of physical damage in nuclear core components