☢️ WIA-ENE-008 Nuclear Energy Standard

Phase 3 Specification

3. Phase 3: Innovation and Sustainability

Phase 3 introduces advanced technologies, sustainable practices, and next-generation capabilities while maintaining the safety excellence of Phases 1 and 2.

3.1 Advanced Reactor Technologies

3.1.1 Small Modular Reactors (SMRs)

Additional requirements for SMR deployment:

• Factory fabrication quality programs
• Transportation and site assembly procedures
• Multi-module coordination and control
• Passive safety system validation
• Simplified operations and reduced staffing justification

3.1.2 Generation IV Concepts

Framework for advanced reactor types:

• High-temperature reactor requirements (outlet temp >750°C)
• Fast reactor safety and fuel cycle considerations
• Molten salt reactor materials and chemistry control
• Gas-cooled reactor helium purity and heat removal
• Lead-cooled reactor coolant chemistry management

3.2 Advanced Fuel Cycles

3.2.1 Closed Fuel Cycle Operations

For facilities implementing reprocessing:

• Spent fuel reprocessing safety requirements
• Plutonium handling and safeguards
• High-level waste conditioning and interim storage
• Material accountability and control
• Criticality safety in reprocessing facilities

3.2.2 Accident-Tolerant Fuels

Advanced fuel and cladding materials:

• Enhanced accident tolerance demonstration (>1200°C capability)
• Long-term performance validation (>60 GWd/tU burnup)
• Licensing basis including design-basis and beyond-design-basis performance
• Manufacturing quality control for new materials

3.3 Advanced Safety Concepts

3.3.1 Passive Safety Systems

Requirements for passive safety implementations:

• Demonstration of adequacy without active systems or operator action
• Testing methodology for passive components
• Reliability analysis accounting for passive failure modes
• Long-term performance under accident conditions (72+ hours)

3.3.2 Probabilistic Risk Assessment

Enhanced PRA requirements:

• Full-scope Level 1, 2, and 3 PRA
• Internal events, internal flooding, fire, seismic, other external events
• Multi-unit and spent fuel pool risk
• Low-power and shutdown risk assessment
• Living PRA maintained current with plant configuration

3.4 Integrated Energy Systems

3.4.1 Cogeneration Applications

Requirements for non-electric applications:

• Process heat safety analysis and isolation
• Industrial customer interface and safety requirements
• Load-following capability and control
• Hydrogen production safety (if applicable)
• Desalination system integration (if applicable)

3.4.2 Grid Integration and Flexibility

• Load-following operation capability (±10% per minute for capable designs)
• Frequency regulation participation
• Renewable energy integration support
• Energy storage coupling (if applicable)
• Flexible operation impact on fuel and equipment

3.5 Advanced Waste Management

3.5.1 Waste Minimization and Recycling

• Waste segregation and characterization programs
• Volume reduction technologies (incineration, compaction, supercompaction)
• Clearance and release criteria for slightly contaminated materials
• Recycling programs for metals and other materials

3.5.2 Advanced Disposal Concepts

Supporting implementation of:

• Deep geological repository design and safety case
• Deep borehole disposal (if applicable)
• Engineered barriers and waste package design
• Long-term performance assessment (100,000+ years)
• Monitoring and retrievability provisions

3.6 Digital Technology Integration

3.6.1 Advanced Digital Systems

• Artificial intelligence and machine learning applications
• Predictive maintenance using big data analytics
• Digital twins for performance optimization
• Virtual and augmented reality for training and maintenance
• Advanced human-machine interfaces

3.6.2 Cybersecurity Enhancement

• Defense-in-depth cybersecurity architecture
• Continuous monitoring and threat detection
• Incident response and recovery capabilities
• Supply chain cybersecurity
• Regular assessment and penetration testing

3.7 Knowledge Management and Innovation

3.7.1 Operating Experience Program

• International operating experience screening and evaluation
• Trending and proactive issue identification
• Knowledge capture from experienced personnel
• Lessons learned integration into procedures and training

3.7.2 Research and Development

• Participation in industry research programs
• Collaboration with national laboratories and universities
• Technology demonstration and pilot programs
• Innovation management and intellectual property

3.8 Sustainability and Environmental Excellence

3.8.1 Environmental Management System

• ISO 14001 or equivalent certification
• Environmental aspects and impacts assessment
• Objectives, targets, and performance indicators
• Biodiversity protection programs
• Carbon footprint measurement and reduction

3.8.2 Decommissioning Planning

• Preliminary decommissioning plan and cost estimate
• Decommissioning fund adequacy assurance
• Design features facilitating eventual decommissioning
• Radioactive inventory tracking
• End-state vision and site restoration goals