Loviisa nuclear power plant's unit 1 is being shut down in order to repair a minor steam leakage in secondary circuit

A decision was made to bring the Loviisa nuclear power plant's unit 1 to a
controlled shutdown due to a minor steam leakage in the unit's secondary
circuit last night, 19 February 2011 at approximately 1.30 a.m. (ETT). The
secondary circuit steam does not contain radioactivity and leakage causes no
security risks. The controlled shutdown and cooling process will continue until
late tonight after which the leakage will be repaired. The repair and
inspection works are estimated to be completed in the early hours of Sunday, 20
February 2011. After that the startup of the unit can begin. Fortum estimates
that the Loviisa unit 1 will be back in production late Sunday night at the
earliest.

The leakage is being repaired because it increases humidity levels in the
surrounding space that houses electrical and automation equipment.

The incident poses no threat to people or the environment. Loviisa nuclear
power plant's unit 2 is operating on full capacity.

Fortum
Loviisa power plant

Further information:
Ulf Lindén, Site Manager, Loviisa Power plant, tel. +358 50 455 3800
Peter Tuominen, Public Affairs Manager, Power Division, tel. +358 50 452 4760