Olkiluoto 3 Nuclear Reactor (OL3)

1 min read
Olkiluoto 3 Nuclear Reactor (OL3) Blog Image


Finland's next-generation Olkiluoto 3 nuclear reactor, the largest in Europe, has gone into regular production.

About Olkiluoto 3 nuclear reactor (OL3):

  • OL3 is an EPR (European Pressurized Water Reactor) located in Finland.
  • It is built by the French-led Areva-Siemens consortium.
  • It is the most powerful nuclear reactor in Europe, with a capacity of generating 1,600 megawatts.
  • It covers approximately 14% of Finland's electricity demand.



Q1) What is a Pressurized Water Reactor?

The pressurized water reactor (PWR) is a type of nuclear reactor used to the generate electricity and propel nuclear submarines and naval vessels.[3] They make use of light water (ordinary water, as opposed to heavy water) as their coolant and neutron moderator.

Source: Europe's largest nuclear reactor enters service in Finland