how much did it cost to build the lhc
Large Hadron Collider With a budget of €7.5 billion (approx. $9bn or £6.19bn as of June 2010), the LHC is one of the most expensive scientific instruments[64] ever built.[65] The total cost of the project is expected to be of the order of 4.6bn Swiss francs (SFr) (approx. $4.4bn, €3.1bn, or £2.8bn as of Jan 2010) for the accelerator and 1.16bn (SFr) (approx. $1.1bn, €0.8bn, or £0.7bn as of Jan 2010) for the CERN contribution to the experiments.[66]
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Large Hadron Collider On 5 April 2015, the LHC restarted after a two-year break, during which the electrical connectors between the bending magnets were upgraded to safely handle the current required for 7 TeV per beam (14 TeV).[5][97] However, the bending magnets were only trained to handle up to 6.5 TeV per beam (13 TeV total), which became the operating energy for 2015 to 2017.[98] The energy was first reached on 10 April 2015.[99] The upgrades culminated in colliding protons together with a combined energy of 13Â TeV.[100] On 3 June 2015 the LHC started delivering physics data after almost two years offline.[101] In the following months it was used for proton-proton collisions, while in November the machine switched to collisions of lead ions and in December the usual winter shutdown started.
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