Latest acquisition by ENGIE to ensure free heating to 11k French households


ENGIE has acquired a minority stake in Qarnot Computing, a French firm that has developed a solution that recovers heat generated by high-performance boilers to buildings and social housings for free.

Heaters and boilers installed by Qarnot computing since 2010 will allow 11,000 households living in social housing to be heated for free by 2023.

Qarnot Computing is the first company to develop a computing heater using microprocessors as a heat source. The solution reduces carbon emissions of high-performance computing by 80% compared with conventional data centers with their very high energy consumption.

The acquisition was completed through ENGIE Rassembleurs d’Energies, the ENGIE Group’s impact investment fund, alongside the Caisse des Dépôts et Consignations – Banque des Territoires, Casino Participations France and the A/0 Proptech fund.

Anne Chassagnette, CEO of ENGIE Rassembleurs d’Energies and ENGIE’s CSR Officer, said: “Through this investment, ENGIE Rassembleurs d’Energies is demonstrating its commitment to the zero-carbon transition in favour of social housing. We will support Qarnot computing in the development of innovative solutions with a strong environmental and social impact, such as the company’s latest product, a digital boiler that provides free domestic hot water from computer processing.”

Paul Benoit, Chairman of Qarnot Computing, comments: “We are working with ENGIE towards the same objectives: the search for strong social and environmental impact, the control of consumption and the decarbonisation of energies The purpose of this fundraising is to accelerate Qarnot’s commercial development. To achieve this, the support of ENGIE Rassembleurs d’Energies is extremely valuable to us, and foreshadows ambitious joint projects, in particular on heating networks.”

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