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Plans For New Reactors Worldwide World Nuclear Association (Updated July 2018)
Nuclear power capacity worldwide is increasing steadily, with about 50 reactors under construction. Most reactors on order or planned are in the Asian region, though there are major plans for new units in Russia. Significant further capacity is being created by plant upgrading. Plant lifetime extension programs are maintaining capacity, particularly in the USA.
Today there are about 450 nuclear power reactors operating in 30 countries plus Taiwan, with a combined capacity of over 390 GWe. In 2015 these provided 2571 billion kWh, about 11% of the world's electricity. About 50 power reactors are currently being constructed in 13 countries (see Table below), notably China, India, UAE and Russia. Each year, the OECD's International Energy Agency (IEA) sets out the present situation as well as reference and other – particularly carbon reduction – scenarios. In the 2017 edition of its World Energy Outlook report, the IEA's 'New Policies Scenario' sees installed nuclear capacity growth of over 25% from 2015 (about 404 GWe) to 2040 (about 516 GWe). The scenario envisages a total generating capacity of 11,960 GWe by 2040, with the increase concentrated heavily in Asia, and in particular China (33% of the total). In this scenario nuclear's contribution to global power generation increases to about 14% of the total. The IEA's New Policies Scenario is based on a review of policy announcements and plans, reflecting the way governments see their energy sectors evolving over the coming decades. The IEA estimates that the cumulative impact of the new policies would result in steady growth in global CO2 emissions from the power sector through to 2040. The IEA has produced a low-carbon ‘Sustainable Development Scenario’ that is consistent with limiting the average global temperature increase in 2100 to 2 degrees Celsius above pre-industrial levels. In the Sustainable Development Scenario, nuclear capacity increases to 720 GWe by 2040, providing about 15% of electricity generation. 1