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A cross-section of a Triso fuel pellet. Photo courtesy Idaho National Laboratory. Idaho National Laboratory has awarded the nuclear operations subsidiary of US-based BWX Technologies a contract to expand and upgrade its Triso nuclear fuel manufacturing line.

The $26m contract will expand BWXT’s Triso capacity for the manufacture of Triso fuel compacts and upgrade existing systems for delivering production-scale quantities of Triso fuel.

Triso refers to a specific design of uranium nuclear reactor fuel. Triso is a shortened form of the term Tristructural-Isotropic. Tristructural refers to the layers of coatings surrounding the uranium fuel, and isotropic to the coatings having uniform materials characteristics in all directions so that fission products are essentially retained.

BWXT said it is the only US company to manufacture irradiation-tested uranium oxycarbide Triso fuel using production-scale equipment. Its Triso production facility is licensed to produce this type of high assay low enriched uranium (Haleu) fuel, which is undergoing validation in a series of experiments at Idaho National Laboratory’s advanced test reactor under the Department of Energy’s advanced gas-cooled reactor programme.

Date: Saturday, 04 July 2020
Original article: nucnet.org/news/bwxt-wins-usd26m-contract-to-expand-and-upgrade-production-line-7-5-2020

US-based BWX Technologies (BWXT) announced on 1 July that its Nuclear Operations Group subsidiary has been awarded a competitively bid contract by the Idaho National Laboratory (INL) to expand and upgrade its TRIstructural-ISOtropic  (TRISO) nuclear fuel manufacturing line.

Date: Friday, 03 July 2020
Original article: neimagazine.com/news/newsbwxt-wins-contract-to-expand-triso-fuel-production-8006799

Idaho National Laboratory has awarded BWX Technologies Inc a USD26 million, 20-month contract to expand and upgrade its manufacturing line for TRISO nuclear fuel. The award, to BWXT Nuclear Operations Group, Inc, (BWXT NOG), will expand its capacity for the manufacture of TRISO fuel compacts and also upgrade existing systems for delivering production-scale quantities of the fuel, BWXT said.

Date: Friday, 03 July 2020
Original article: world-nuclear-news.org/Articles/BWXT-wins-contract-to-expand-TRISO-production

US company X-energy has announced it is to be the exclusive counterparty to supply fuel to Japan's high-temperature gas-cooled reactor under a teaming arrangement with Nuclear Fuel Industries (NFI) of Japan.

Date: Wednesday, 01 July 2020
Original article: world-nuclear-news.org/Articles/X-energy-and-NFI-team-up-to-supply-HTGR-fuel

The US Nuclear Regulatory Commission (NRC) has accepted for review a combined licence application from Oklo Power to build and operate its 1.5MW Aurora reactor at the Idaho National Laboratory site in Idaho.

Date: Wednesday, 17 June 2020
Original article: neimagazine.com/news/newsus-regulator-accepts-oklos-aurora-licence-application-for-review-7975510

Move could lead to first approval for advanced non-light-water unit A computer-generated image of the Aurora nuclear power plant. Courtesy Oklo. The US Nuclear Regulatory Commission has accepted for review a combined licence application from California-based Oklo Power to build and operate the company’s compact fast reactor, known as Aurora, at the Idaho National Laboratory site in Idaho.

The NRC said Oklo’s application, submitted on 11 March, is for approval of what would be the first NRC licence for an advanced non-light-water reactor design.

The NRC and Oklo have engaged in “pre-application” discussions since 2016, a statement said.

In December 2019 the US Department of Energy granted a site use permit to Oklo to build a demonstration Aurora plant on the Idaho National Laboratory site.

Date: Wednesday, 17 June 2020
Original article: nucnet.org/news/us-regulator-accepts-application-for-aurora-plant-at-idaho-site-6-2-2020

The US Nuclear Regulatory Commission (NRC) has accepted for review Oklo Power LLC's combined licence application to build and operate its Aurora reactor at the Idaho National Laboratory (INL) site in Idaho. This is the first combined construction and operating licence application - known as a COL - for an advanced fission technology to be accepted for NRC review.

Date: Wednesday, 17 June 2020
Original article: world-nuclear-news.org/Articles/NRC-to-begin-first-of-a-kind-licence-review

The US Department of Energy (DOE) has delivered the nuclear power system for the Perseverance rover for NASA's Mars 2020 mission which is due to launch next month. The Multi-Mission Radioisotope Thermoelectric Generator (MMRTG) was fuelled, built and tested by DOE's national laboratories.

Date: Saturday, 13 June 2020
Original article: world-nuclear-news.org/Articles/Nuclear-power-system-delivered-for-Mars-rover-laun

A Preliminary Feasibility Study for Small Modular Reactors and Microreactors for Puerto Rico was published on 20 May by the Nuclear Alternative Project (NAP).

Date: Thursday, 28 May 2020
Original article: neimagazine.com/news/newspuerto-rico-considers-nuclear-7941882

Advanced nuclear reactors can meet Puerto Rico's unique energy needs by complementing renewable sources with zero-emission electricity resilient to extreme natural events, a preliminary feasibility study has concluded. The study - conducted by Puerto Rican-led not-for-profit organisation the Nuclear Alternative Project (NAP) - was funded by the US Department of Energy (DOE).

Date: Friday, 22 May 2020
Original article: world-nuclear-news.org/Articles/Small-reactors-feasible-in-Puerto-Rico,-study-conc