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1.3 KiB
1.3 KiB
Terrestrial Energy
Overview
Canadian advanced nuclear company developing the Integral Molten Salt Reactor (IMSR), a Generation IV reactor design using lithium fluoride-based fluoride salts as combined fuel and coolant.
Technology
- IMSR Design: 822 MWth / 390 MWe capacity
- Operating Temperature: 600-700°C
- Core Innovation: Fluoride salts serve as both fuel carrier and coolant
- Optional Grid Integration: Can couple with external nitrate salt thermal storage for grid-scale energy buffering, enabling nuclear heat to recharge thermal batteries that complement wind/solar
- Chemistry: Uses lithium fluoride-based salts (distinct from CSP industry's sodium/potassium nitrate)
Regulatory Progress
- September 2025: NRC approved IMSR Principal Design Criteria
- April 23, 2026: Submitted topical report on safety events to NRC—final stage before Safety Evaluation Report (SER)
- Target: Licensed commercial operation in early 2030s
- Strategic Value: An SER would allow the same safety determination to be referenced in multiple future licensing applications, enabling fleet-scale efficiency
Timeline
- 2026-04-23 — Submitted foundational safety topical report to NRC, final step before Safety Evaluation Report
- 2025-09 — NRC approved IMSR Principal Design Criteria