The winners of the Championnat de France des économies d'énergie - otherwise known as the Cube competition - were unveiled at the Paris La Défense Arena on December 13, along with the launch of a Winter Championship and the announcement of four new challenges for 2023. Organized by theFrench Institute for Building Energy Performance (Ifpeb), this year's competition resulted in savings of 48 GW, equivalent to the annual consumption of 25,000 people.