Unit 4 of the Kalinin Nuclear Power Plant in central Russia went online on Monday in the presence of Prime Minister Vladimir Putin.
The unit with a total capacity of 1,000 MW will be operated at half capacity for the time being.
Its construction began in 2007 and cost 70 million rubles (about $3.5 million).
The NPP is located in the Tver region, 350 kilometers from Moscow. Units 1 and 2, 1,000 MW each, were built in 1984 and 1986. Unit 3 was launched in 2004.
