CERN's Large Hadron Collider Now Supplies District Heating to Nearby French Town
By
elashri
Kettled twice. Extra chewy, extra trustworthy.
Summary
CERN has implemented a new heat exchange system that captures waste heat from the Large Hadron Collider's cooling system to supply heating for homes and businesses in the nearby French town of Ferney-Voltaire. The system uses heat exchangers to transfer thermal energy from the LHC's cooling water to a district heating network, preventing CO2 emissions from traditional energy sources. This initiative is part of CERN's broader energy management strategy that includes multiple heat recovery projects expected to save 25-30 GWh per year by 2027.
Key quotes
· 5 pulledSince mid-January, heat recovered from the LHC has been supplying a heating network for a new residential and commercial area in the nearby French town of Ferney-Voltaire.
By avoiding traditional energy sources, such as gas, the network prevents the emission of thousands of tonnes of CO2.
Typically, hot water would then pass through a cooling tower, releasing heat into the atmosphere so that the cooled water could be reinjected into the equipment.
In the new set-up, hot water initially passes through two 5-MW heat exchangers, which transfer thermal energy to the new heating network in Ferney-Voltaire.
Together, these initiatives will save 25–30 GWh per year as of 2027, marking significant progress in CERN's responsible energy management.
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