Additional effort is needed to accelerate new constructions – 8 GW of new nuclear capacity was brought online in 2022, but the Net Zero Scenario calls for over four-times as much annual deployment by 2030. Lifetime extensions of existing nuclear power plants are one of the most cost-effective sources of low-emission electricity, and there have been several positive policy developments to take full advantage of these opportunities including in the United States, France and Japan. More efforts are needed to get nuclear power on track with the Net Zero Emissions by 2050 Scenario. It is also an option for producing low-emission heat and hydrogen. For those countries where it is accepted, it can complement renewables in reducing power sector emissions while also contributing to electricity security as a dispatchable power source. Nuclear power is an important low-emission source of electricity, providing about 10% of global electricity generation.
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