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This paper presents a generic business case for implementation of technology that supports Control Room Modernization (CRM) in existing nuclear power plants (NPPs). The business case is based on advanced digital instrumentation and control (I&C), human-system interface (HSI), and work process technologies that allow NPP operators to conduct control room operations with improved human factors and efficiency, and therefore operate with fewer operational events. Labor savings can be harvested in terms of reduced overtime and redistribution of work. Significant savings are also demonstrated as reduced time to bring the plant back on line after completion of outages. The benefits are quantified to a rough order of magnitude, providing directional guidance to NPPs that are interested in developing similar business cases. The technologies employed in CRM include large overview displays, task-based operator displays, computerbased procedures, advanced alarm systems, computerized operator support systems, and wireless networks, among others. The CRM business case is founded on the following categories of cost savings:  Integrated Computer-Based Procedures for Operators  Reduction in Corrective Action Program Work Due to Operator Error  Reduction in Outage Critical Path Time  Operation of Local Control Panels  Reduction in Control Room Support  Reduction in Plant Events Resulting in Generation Loss  Paperless Control Room Processes In addition to cost savings, these technologies also offer improvements to indirect ways that have impact on key performance indicators of the plant. 1856 NPIC&HMIT 2017, San Francisco, CA, June 11-15, 2017

A Business Case for Nuclear Plant Control Room Modernization