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Czech Dukovany-4 nuclear reactor in unplanned outage

Prague (Platts)--13 Apr 2018 840 am EDT/1240 GMT


Czech utility CEZ says its Dukovany-4 nuclear unit began powering down Friday for an unscheduled outage expected to last around 10 days.


  • Repair works estimated to last 10 days
  • Czech Dukovany-4 nuclear reactor shutdown for pipe checks
  • Reactor power down to be completed Saturday
  • Dukovany plant at half normal capacity

CEZ's online Remit page said no power would be produced from the Dukovany unit on Saturday.

Plant spokesman Jiri Bezdek said secondary pipes outside the core reactor area will be checked using new ultrasonic methods during the shutdown.

Similar checks are being carried out at the Dukovany-2 reactor which has been closed since March 9 for a planned outage involving partial fuel change. It should re-start in mid-May.

The Dukovany plant has four reactors with gross capacity of 510 MW each, which usually provide a large part of the Czech Republic's baseload electricity needs. CEZ's other nuclear plant Temelin, with total capacity of 1133 MW, is operating normally. The country is often a net electricity exporter.

--Staff, newsdesk@spglobal.com
--Chris Johnstone, newsdesk@spglobal.com
--Edited by Jeremy Lovell, newsdesk@spglobal.com

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