Register now for FREE unlimited access to Reuters.com RegisterThe energy crisis triggered by the war in Ukraine has renewed interest in nuclear power. But without a reliable source of the high assay low enriched uranium (HALEU) the reactors need, developers worry they won't receive orders for their plants. But only TENEX, which is part of Russian state-owned nuclear energy company Rosatom, sells HALEU commercially at the moment. And this chicken and egg conundrum is complicating the smooth development of HALEU supply. "A reliable HALEU supply is one of many factors under consideration," the company said in an emailed statement.

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