TVO

Power     Olkiluoto 1: MW     Olkiluoto 2: MW     Production Charts

 

Olkiluoto 3 (OL3)

  • OL3 Project
  • Why OL3?
  • Delivery of the power plant unit
  • Licensing process
  • Technology
  • Economic efficiency
  • Effective safety features
  • Quality management
  • Training
  • OL3, surrounding area and Finland
  • OL3 material
    • You're here  Olkiluoto 3 (OL3) › Technology › Reactor main data

    Reactor main data

    Reactor thermal output 4 300 MW
    Net electric output approx. 1 600 MW
    Reactor operating pressure 155 bar
    Main steam temperature 290°C
    Pressure vessel height 13 m
    Reactor core height 4,2 m
    Number of fuel assemblies 241
    Amount of uranium in reactor 128 tons UO2
    Number of control rods 89
    Containment height 63 m
    Containment outer diameter 57 m
    Containment wall thickness 2 m