PWR Fuel Assembly


A fuel assembly consists of a square array of 179 to 264 fuel rods, and 121 to 193 fuel assemblies are loaded into an individual reactor. After the nuclear fuel is used at nuclear power plants, it can be reused as recycled fuel through chemical processing at a reprocessing plant.

Basic specification of PWR fuel assembly

Type 14×14 15×15 17×17
10ft 12ft 12ft 12ft
Cross-section size (mm square) 197 214 214
Fuel assembly length (mm) 3,473 4,057 4,057 4,058