World Nuclear News
Summary
Moored to a special jetty at the Arctic port, the Akademik Lomonosov is a barge with two small nuclear power units aboard. The KLT-40S pressurised water reactors produce steam for turbine generator sets that generate 35 MWe each for a total of 70 MWe for the region. At the same time, heat is taken from the steam circuits and transferred to a pre-existing district heating grid that takes it to people's homes.
Changing this heating grid to use low-carbon nuclear heat instead of burning fuel oil has been a gradual process since the new power plant was first connected in June 2020. Engineers have needed to replace the central water supply lines as well as 77 individual 'heating points' as part of work to modernise the system and enable heating and hot water services to operate independently.
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