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Global number of operable nuclear reactors by type 2018

Number of operable nuclear reactors worldwide as of February 2018, by reactor type

The data displays the number of operable nuclear reactors worldwide as of February 2018, by reactor type. There were 293 pressurized light-water-moderated and cooled reactors in operation throughout the world.

Pressurized light-water-moderated
and cooled reactor (PWR)
293
Boiling light-water-cooled and
moderated reactor (BWR)
75
Pressurized heavy-water-moderated
and cooled reactor (PHWR)
49
Light-water-cooled, graphite-moderated
reactor (LWGR)
15
Gas-cooled, graphite-moderated
reactor (GCR)
14
Fast breeder reactor (FBR) 3