Fire at nuclear reactor at Oskarshamn, Sweden

fire-at-nuclear-reactor-at-oskarshamn-sweden

The nuclear reactor at Oskarshamn was closed down late on Saturday night after a fire broke out at the plant. Although the fire, which broke out in the turbine hall of Unit 2, was quickly put out by the plant’s own emergency services, the reactor and the turbine were closed down as a precautionary measure.  It is still unclear when the reactor 2 can be restarted again, with investigations ongoing.

Fires are always serious in this type of facility, but this happened in the conventional turbine hall, which is the same type as all other kinds of power plants, and not in the reactor itself. We need to analyse what caused the fire before we make any commitment to start the installation, but I assume that it should not be too long, because this was a relatively minor incident,” Anders Österberg, Director of Communications at OKG (Oskarshamnsverkets Kraftgrupp, which runs the facility).

Unit 2 was restarted this week following its annual maintenance check, though the company said it is too early to speculate over whether the two incidents are connected in any way.

It is true that we’ve had trouble with vibrations in the turbine hall, but we do not know if it had anything to do with this incident. We hope to be able to answer that tomorrow, ” added Österberg.

The Oskarshamn nuclear plant is on Sweden’s South West coast, some 30 kilometres north of Oskarshamn. Co-owned by E.ON Sverige and Fortum, its three reactors produce around 10 percent of the country’s electricity supply. (TheLocal)

Sweden currently has three operational nuclear power plants, with ten operational nuclear reactors, which produce about 45% of the country’s electricity. The nation’s largest power station, Ringhals Nuclear Power Plant, has four reactors and generates about a fifth of Sweden’s annual electricity consumption.

The Nuclear power station Oskarshamn is one of three active nuclear power stations in Sweden. The plant is about 30 kilometers north of Oskarshamn directly at the Kalmarsund at the Baltic Sea coast and with three reactors producing about 10% of the electricity needs of Sweden. All reactors use BWR technology.

Unit 1 has an installed output of 487 MW, Unit 2 627 MW, and Unit 3, the newest reactor block at the facility, has an installed output of 1,194 MW. The nuclear power station Oskarshamn is thereby one of the largest power stations in the Nordic area by production.

Clab, the temporary storage facility for spent nuclear fuel from all Swedish reactors, is also located at the site.

Sweden’s nuclear power reactors (Source: WorldNuclear)

Reactor Operatorb Type MWe net Commercial
operation
Oskarshamn 1 OKG BWR 467 1972
Oskarshamn 2 OKG BWR 605 1974
Oskarshamn 3 OKG BWR 1450 1985
Ringhals 1 Vattenfall BWR 859 1976
Ringhals 2 Vattenfall PWR 866 1975
Ringhals 3 Vattenfall PWR 1045 1981
Ringhals 4 Vattenfall PWR 950 1983
Forsmark 1 Vattenfall BWR 987 1980
Forsmark 2 Vattenfall BWR 1000 1981
Forsmark 3 Vattenfall BWR 1170 1985
Total (10) 9399

Plants (lat, long):

  • Barsebäck 55°44′38.14″N, 12°55′15.95″E
  • Forsmark 60°24′15.27″N, 18°9′53.43″E
  • Oskarshamn 57°24′54.16″N, 16°40′15.1″E
  • Ringhals 57°15′33.88″N, 12°6′37.64″E
  • Ågesta 59°12′21.68″N, 18°4′58.34″E

 

 

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