Terrestrial Energy Integrates IMSR Application Planning With NRC

Terrestrial Energy USA (TEUSA) said Tuesday that it had informed the U.S. Nuclear Regulatory Commission of its plans to license a small modular, advanced nuclear reactor for use in the United States.

IMSRThe company said it intended to commence pre-application interactions with the U.S. regulator sometime this year, which would lead to an IMSR400 Design Certification application with the agency or a construction permit. TEUSA intends to have a licensing application ready for a review process to begin in late 2019, the company said.

Previously, the company announced, in a letter responding the NRC's Regulatory Issue Summary, that it intended to have an application ready for the agency by October 2019, according to the World Nuclear Association.

In its recent letter to the NRC, the company said it included the status of the design, analysis, testing, licensing and project planning for an Integral Molten Salt Reactor, a design that calls for a “liquid-fueled, high-temperature, 400 Megawatt-thermal (MWth) Advanced Recator power plant design.”

The company also noted that it understood that the regulatory agency was working on a framework for advanced reactor design reviews. “The company has confidence in the capability of the US NRC to review and reach safety, security and environmental findings on the IMSR design in a timely manner,” TEUSA intoned in a statement.

This is a very exciting time for the nuclear power industry,” said TEUSA Chief Executive Officer Simon Irish. “We are moving forward with the design and regulatory actions needed to allow the c to bring the IMSR to market in the 2020s. The IMSR’s design choices will result in an Advanced Reactor that delivers clean, cost-competitive and high-grade industrial heat. This capability can serve the many and varied heat requirements of industry, and as well as those of the electric power sector where the IMSR’s dispatchablity will be greatly prized,” he said.

TEUSA also said it was examining four sites to choose one for its first commercial plant. These sites include the Idaho National Laboratory near Idaho Falls, Idaho, as well as additional sites east of the Mississippi River. “In all cases, TEUSA has begun to investigate the commercial prospects for an IMSR power plant for both electric power and industrial heat co-generation,” the company announced.

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