Terrestrial Energy submitted a graphite topical report to the U.S. Nuclear Regulatory Commission for review of its IMSR reactor licensing basis.
Filing seeks NRC acceptance of the company’s methodology to qualify graphite for commercial operation, a key factor in IMSR core-unit service life.
Submission follows NRC approvals of its Principal Design Criteria topical report in 2025 and its Postulated Initiating Events methodology report in 2026.
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