The regular electricity production of the OL3 EPR will be postponed for a month due to turbine overhaul

30.7.2021

Teollisuuden Voima Oyj (TVO) has received information from the plant supplier Areva-Siemens Consortium that the regular electricity production of the OL3 EPR plant unit will be postponed for a month due to extra turbine overhaul and inspection works.

The hot functional test phase has been ongoing at Olkiluoto 3. This is the final major set of test before the first criticality and the start of electricity production. The hot functional tests have proceeded well but after receiving the test results it has been decided to conduct still some overhaul and inspection works for the turbine.

According to the received information from the plant supplier the start of electricity production of OL3 will be postponed to November 2021 and the regular electricity production to March 2022.

OL3 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.

Further information:

Marjo Mustonen, SVP Electricity Production

Interview requests:

Johanna Aho, Head of Communications, tel. +358 40 729 0822