Iran's Bushehr nuclear power plant. AFP
"We began the final rotation at the Bushehr station," Alexei Likhachev said, adding that 108 people were evacuated while just 20 -- top managers and those responsible for equipment safety -- remained at the station.
Russia began evacuating its staff from the plant due to the threat of airstrikes amid the US-Israeli war on Iran.
Moscow has warned that attacks near the plant risked a "radiological disaster more devastating than Chernobyl".
The Bushehr facility is located in the south of Iran and equipped with a 1,000-megawatt reactor.
The area around it has been struck at least four times during the war.
Earlier this month, an attack saw one person -- a guard at the facility -- killed, but did not damage the plant itself, according to Iranian state media and the International Atomic Energy Agency's analysis of satellite imagery of the site.
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