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Fortum cuts Loviisa reactor output by 144 MW until 5 August


26 Jul 2018 13:26


26 Jul 2018 13:26

(Montel) Fortum will cut production at its two Loviisa nuclear reactors in Finland by up to 144 MW until 5 August due to high temperatures of sea water used for cooling, it said on Thursday.

The Finnish utility will reduce output at reactor 1 (507 MW) by 57 MW and production at unit 2 (502 MW).by up to 87 MW.

It had previously slashed output by a total 249 MW for two hours on Wednesday due to the warm water.

An annual maintenance outage will start at reactor 2 on 5 August as planned, it added.

Last week the operators of the Nordic region’s other reactors told Montel there was no risk of production cuts due to this summer’s persistent warm weather over the region as cooling water temperatures were around or below 20C.

Sea water above 27-28C affect the operation of nuclear reactors, said a spokesman for TVO, the operator of Finland’s Olkiluoto reactors.

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