The five nations have agreed to leverage their civil nuclear power capabilities to undermine Russia’s grip on energy supply chains and cut off a significant source of funding for the country's invasion of Ukraine.
The UK's Department for Energy Security and Net Zero said that the agreement was reached at the Nuclear Energy Forum at the G7 meeting in the Japanese town of Sapporo.
The deal will see the five countries collaborating in activities related to uranium extraction, conversion, enrichment and fabrication to "establish a level playing field" to compete more effectively against "predatory suppliers".
Officials said: "This agreement will support the stable supply of fuels for the needs of today, as well as guarantee the safe and secure development and deployment of fuels for the advanced reactors of tomorrow".
Currently, nuclear power stations provide around 15 per cent of the UK’s electricity supply. However...