Yes, they close Dec-Mar usually https://home.cern/news/news/engineering/end-yets-awakening-hibernation https://home.cern/news/news/engineering/end-yets-awakeni

Yes, they close Dec-Mar usually https://home.cern/news/news/engineering/end-yets-awakening-hibernation https://home.cern/news/news/engineering/end-yets-awakening-h... For power consumption but also for maintenance etc.