China is one of the world's largest producers of nuclear power. The country ranks third in the world both in total nuclear power capacity installed and electricity generated, accounting for around one tenth of global nuclear power generated. Nuclear power contributed 4.9% of the total Chinese electricity production in 2019, with 348.1 TWh. This is an increase of 18.1% from 2018; two new reactors came online in 2019. Recent construction has fallen short of previously announced targets.As June 2021, China has 49.5 GW nuclear capacity from 50 reactors this is up from the March 2019 figures: 46 nuclear reactors in operation with a capacity of 42.8 GW and 11 under construction with a capacity of 10.8 GW. Additional reactors are planned for an additional 36 GW.