About 100 cubic metres of slightly radioactive water flowed into rooms within the containment of Olkiluoto unit 3 after a hatch in the reactor pool was not properly closed before the filling of the pool began.

Finnish radioactive waste management company Posiva announced it has completed a demonstration of the functionality of the used nuclear fuel encapsulation plant at Olkiluoto.

Fortum has agreed to support the development of Finnish technology company Steady Energy's district heating nuclear reactor with its simulation expertise. The goal is to create a comprehensive digital twin for Steady Energy's LDR-50 reactor using Apros software.

Finland's Radiation and Nuclear Safety Authority has said it is on track to complete its assessment of Posiva Oy's operating licence application for the world's first used nuclear fuel repository and submit its statement to the Ministry of Economic Affairs and Employment "well before the end of the year".

Polskie Elektrownie Jądrowe announced it has received a letter of intent from Export Development Canada, for up to CAD2.02 billion (USD1.45 billion) to potentially support Poland's first nuclear power plant project.

Finland's Radiation and Nuclear Safety Authority has been given another one-year extension to complete its review of Posiva Oy's operating licence application for the world's first used nuclear fuel repository.

Finland's Steady Energy has signed a contract with Tractebel to provide engineering services to develop its district heating-focused LDR-150 small modular reactor.

The Korea Radioactive Waste Agency has signed agreements with Finland's Posiva Oy and Spain's Enresa to strengthen cooperation in radioactive waste management.

Finland and the UK will intensify their cooperation in a broad range of peaceful uses of nuclear energy under a newly signed agreement that recognises the potential for new and emerging nuclear technologies, including for non-power applications.

Finnish small modular reactor developer Steady Energy has signed an agreement with municipal energy company Keravan Energia to develop nuclear-powered district heating.

The first canister has been packed successfully with test elements simulating actual fuel in the ongoing trial run of final disposal at the Onkalo used nuclear fuel repository, Finnish waste management company Posiva has announced.

The first stage of the trial run of placing disposal cannisters in the Onkalo used nuclear fuel repository has been completed successfully, Finnish waste management company Posiva has announced.