Russia's Security Council Secretary Sergei Shoigu attends the Collective Security Treaty Organisation (CSTO) summit in Astana, Kazakhstan, November 28, 2024. REUTERS/Turar Kazangapov/File Photo MOSCOW (Reuters) -Russian security official Sergei Shoigu warned in an interview published on Friday that the risk of an armed clash between nuclear powers was rising.

The nuclear power plant would be the first decommissioned facility to come back online in the U.S., if it received approval this summer.

NextEra Energy has spoken with regional grid operators and filed notice with federal regulators about a possible restart of its Duane Arnold nuclear power plant in Iowa, the company's CEO, John Ketchum,

NextEra closed Duane Arnold in 2020 after a derecho that year caused extensive damage to its since-dismantled cooling towers.

A £9bn deal for nuclear submarine reactors has been agreed between the Ministry of Defence and Rolls-Royce - the biggest ever between the two. Defence Secretary John Healey announced the agreement on Friday during a visit to the firm's nuclear reactor production facility in Derby.

Britain said on Friday it had awarded Rolls-Royce a 9 billion pound ($11 billion) eight-year contract to design, make and support the nuclear reactors that power its fleet of submarines, amid U.S. calls for higher defence spending.

Labour has put growing the U.K. economy at the forefront of its plans since returning to power in July—but has yet to deliver on its pledge.