Olkiluoto 3 EPR’s test production will continue in the end of July

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The OL3 plant unit’s test production is interrupted for a little over a month more due to foreign material issues observed in the turbine’s steam reheater. According to information received from the plant supplier, OL3 EPR’s regular electricity production is to start in December 2022, instead of the previously announced start in September 2022.

Foreign material detached from the steam guide plates was found in the turbine’s steam reheater in May 2022, which requires inspection and repair work. According to investigations from the plant supplier, the repair work will last until the end of July. The plant unit’s test production programme and electricity production can only be continued after the completion of this repair work. Furthermore, additional time has been reserved in the schedule for the plant unit’s upcoming tests and their analyses based on previous experiences from the test production phase.

The test production phase will be completed in December 2022, which is when the plant unit’s regular electricity production starts. The production forecast for the test production phase can be followed online at www.tvo.fi/ol3forecast. An urgent market message will be released in Nordpool on any significant changes.

The impact of regular electricity production being postponed is assessed. The plant supplier is obliged to complete the plant unit in accordance with the Plant Contract and the Global Settlement Agreement. 


The OL3 EPR plant supplier consortium is constructing the plant unit under a fixed-price turnkey contract. The supplier consortium companies, AREVA GmbH, AREVA NP SAS, and Siemens AG, have joint and several liability for the contractual obligations until the end of the guarantee period of the plant unit.
 

For further information and interview requests, please contact:
Johanna Aho, Head of Communications, Tel. +358 (0)40 729 0822

Teollisuuden Voima Oyj has produced electricity for its shareholders, Finnish industrial and energy companies, safely and reliably for over 40 years. Nuclear electricity generated at TVO's Olkiluoto plant covers approximately 30 percent of Finland’s electricity demand once Olkiluoto 3’s regular electricity production has started. Climate-friendly nuclear electricity not only benefits society but also reduces the environmental impact of energy production. Moreover, the world's first final disposal facility for spent nuclear fuel is under construction in Olkiluoto.