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Unit 1 of the Kalinin nuclear power station about 200 km northwest of Moscow in Tver Oblast has been shut down for nine months for a large-scale modernisation of key systems.

Kalinin’s chief engineer, Alexander Dorofeev, said the work is directly related to improving the safety and stability of the 950-MW VVER unit, which began commercial operation in June 1985.

The plant has been cleared by nuclear regulator Rostekhnadzor to operate until 2025, but the modernisation could see that being extended to 2044.

There are four 1,000-MW units of the VVER type in commercial operation at Kalinin. Kalinin-2 began commercial operation in 1987 and Kalinin-3 and -4 in 2005 and 2012.

Date: Tuesday, 26 November 2019
Original article: nucnet.org/news/kalinin-1-shuts-down-for-nine-month-modernisation-11-1-2019