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Urenco receives US approval to enrich nuclear fuel at higher levels

Urenco USA announced on Thursday that it had received approval from the U.S. Nuclear Power regulator to enrich nuclear fuel to a maximum of 10% fissionable Uranium. This can be used for conventional reactors today and in many newer plants which could be developed within years.

Urenco, an English, Dutch and German company with operations in New Mexico said that the new fuel is enriched to 10%, as opposed to the current fuel's 5% enrichment. It's called low-enriched uranium-plus, or LEU+.

Why it's important

Urenco stated that the fuel could enable longer operating cycles for today's light-water reactors, with fewer refueling interruptions, which could lower maintenance and operation costs. LEU+ can also be used as a feedstock in the United States to produce HALEU (high assay, low-enriched uranium), which will fuel new, smaller reactors using new cooling technology.

HALEU can be enriched to up to 20%, though experts in non-proliferation recommend that it be enriched to only 10% to 12%.

When will it be available?

Urenco stated that the initial production of LEU+ would occur in 2025. The first deliveries to fuel fabricators are planned for 2026.

Westinghouse Electric Company announced in April that it was the first company to load LEU+ in a U.S. nuclear reactor. It did so in Unit 2 of the Vogtle Nuclear Power Plant in Georgia. Westinghouse claims the fuel will extend fuel cycles, boost power production, and reduce plant operating costs.

KEY QUOTE

John Kirkpatrick is the managing director of Urenco USA. He said, "With LEU+, American reactor operators will be able to realize new gains in operation and efficiency that will support an even stronger performance from their existing reactor fleet. Advanced reactor developers will also have a reliable fuel option to fuel new designs." (Reporting and editing by Andrea Ricci; Timothy Gardner)

(source: Reuters)