Nuclear power’s electricity generating capacity risks shrinking in the coming decades as ageing reactors are retired and the industry struggles with reduced competitiveness, according to a new IAEA report. The 38th edition of Energy, Electricity and Nuclear Power Estimates for the Period up to 2050, provides detailed global trends in nuclear power by region. Its projections for nuclear electricity generating capacity are presented as low and high estimates, reflecting different driving factors that have an impact on the worldwide deployment of the low-carbon energy source.