Olkiluoto 3 nuclear reactor (OL3) Subject : International Events Section: Places in new Concept : 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 […]