{
  "id": "IA-0508",
  "version": "0.1",
  "date": "2026-11-02",
  "moteur": "0.3.1",
  "designation": "Union européenne, 1 an",
  "titre_court": "Union européenne",
  "description": "L'usage de l'IA des 450,6 millions d'habitants des 27 pays en un an : usage personnel par âge, études et travail par métier, avec les parts d'utilisateurs européennes, plus basses qu'en France. Effectifs et parts d'Eurostat, 2024 et 2025.",
  "categorie": {
    "code": "monde",
    "nom": "Territoires"
  },
  "etage": {
    "code": "monde",
    "numero": "5",
    "nom": "Territoires"
  },
  "famille": {
    "code": "territoires",
    "nom": "Régions, pays et monde"
  },
  "unite": "1 territoire · an",
  "grandeur": "electricite",
  "type": "recette",
  "statut": "estimé",
  "repose_sur": {
    "releves": 0,
    "conventions": 0,
    "hypotheses": 1
  },
  "valeur": {
    "electricite": {
      "valeur": 167127000000,
      "basse": 152608000000,
      "haute": 211191000000,
      "unite": "Wh",
      "fourchette": "propagee",
      "publie": false
    },
    "co2e": {
      "valeur": 76592500000,
      "basse": 69938900000,
      "haute": 96786600000,
      "unite": "gCO2e",
      "publie": false,
      "lieu": "monde",
      "gCO2e_par_kWh": 458.29
    },
    "facteur": null,
    "recomposition_Wh": 167127000000
  },
  "lieux": {
    "monde": {
      "libelle": "Dans le monde",
      "gCO2e_par_kWh": 458.29,
      "co2e_gCO2e": 76592500000
    },
    "france": {
      "libelle": "En France",
      "gCO2e_par_kWh": 41.44,
      "co2e_gCO2e": 6925730000
    },
    "ue": {
      "libelle": "Dans l'Union européenne",
      "gCO2e_par_kWh": 209.9,
      "co2e_gCO2e": 35079900000
    },
    "etats-unis": {
      "libelle": "Aux États-Unis",
      "gCO2e_par_kWh": 384.4,
      "co2e_gCO2e": 64243500000
    },
    "allemagne": {
      "libelle": "En Allemagne",
      "gCO2e_par_kWh": 329.65,
      "co2e_gCO2e": 55093300000
    },
    "irlande": {
      "libelle": "En Irlande",
      "gCO2e_par_kWh": 256.54,
      "co2e_gCO2e": 42874700000
    },
    "pays-bas": {
      "libelle": "Aux Pays-Bas",
      "gCO2e_par_kWh": 253.56,
      "co2e_gCO2e": 42376600000
    },
    "pologne": {
      "libelle": "En Pologne",
      "gCO2e_par_kWh": 588.6,
      "co2e_gCO2e": 98370800000
    },
    "suede": {
      "libelle": "En Suède",
      "gCO2e_par_kWh": 35.26,
      "co2e_gCO2e": 5892890000
    },
    "norvege": {
      "libelle": "En Norvège",
      "gCO2e_par_kWh": 28.11,
      "co2e_gCO2e": 4697930000
    },
    "suisse": {
      "libelle": "En Suisse",
      "gCO2e_par_kWh": 39.22,
      "co2e_gCO2e": 6554710000
    },
    "finlande": {
      "libelle": "En Finlande",
      "gCO2e_par_kWh": 57.47,
      "co2e_gCO2e": 9604770000
    }
  },
  "parametres": [],
  "reglages": [
    {
      "dimension": "adoption",
      "actuel": "courant",
      "valeurs": [
        {
          "cle": "sobre",
          "libelle": "Usage sobre",
          "defaut": false,
          "electricite_Wh": 27640000000,
          "co2e_gCO2e": 12667100000
        },
        {
          "cle": "courant",
          "libelle": "Usage courant",
          "defaut": true,
          "electricite_Wh": 167127000000,
          "co2e_gCO2e": 76592500000
        },
        {
          "cle": "intensif",
          "libelle": "Usage intensif",
          "defaut": false,
          "electricite_Wh": 787507000000,
          "co2e_gCO2e": 360907000000
        }
      ]
    },
    {
      "dimension": "outillage",
      "actuel": "assistant",
      "valeurs": [
        {
          "cle": "assistant",
          "libelle": "Assistant conversationnel",
          "defaut": true,
          "electricite_Wh": 167127000000,
          "co2e_gCO2e": 76592500000
        },
        {
          "cle": "suite",
          "libelle": "IA dans la suite bureautique",
          "defaut": false,
          "electricite_Wh": 199432000000,
          "co2e_gCO2e": 91397500000
        },
        {
          "cle": "agent",
          "libelle": "Agents",
          "defaut": false,
          "electricite_Wh": 1363550000000,
          "co2e_gCO2e": 624902000000
        }
      ]
    },
    {
      "dimension": "classe",
      "actuel": "moyen",
      "valeurs": [
        {
          "cle": "petit",
          "libelle": "Petit modèle",
          "defaut": false,
          "electricite_Wh": 77623200000,
          "co2e_gCO2e": 35574000000
        },
        {
          "cle": "moyen",
          "libelle": "Modèle moyen",
          "defaut": true,
          "electricite_Wh": 186664000000,
          "co2e_gCO2e": 85546400000
        },
        {
          "cle": "grand",
          "libelle": "Grand modèle",
          "defaut": false,
          "electricite_Wh": 579185000000,
          "co2e_gCO2e": 265435000000
        }
      ]
    },
    {
      "dimension": "raisonnement",
      "actuel": "sans",
      "valeurs": [
        {
          "cle": "sans",
          "libelle": "Sans raisonnement",
          "defaut": true,
          "electricite_Wh": 167127000000,
          "co2e_gCO2e": 76592500000
        },
        {
          "cle": "moyen",
          "libelle": "Raisonnement moyen",
          "defaut": false,
          "electricite_Wh": 217155000000,
          "co2e_gCO2e": 99520100000
        },
        {
          "cle": "pousse",
          "libelle": "Raisonnement poussé",
          "defaut": false,
          "electricite_Wh": 656537000000,
          "co2e_gCO2e": 300885000000
        }
      ]
    },
    {
      "dimension": "taille",
      "actuel": "standard",
      "valeurs": [
        {
          "cle": "standard",
          "libelle": "Image standard",
          "defaut": true,
          "electricite_Wh": 167127000000,
          "co2e_gCO2e": 76592500000
        },
        {
          "cle": "grande",
          "libelle": "Grande image",
          "defaut": false,
          "electricite_Wh": 202570000000,
          "co2e_gCO2e": 92835800000
        }
      ]
    },
    {
      "dimension": "calage",
      "actuel": "mesures",
      "valeurs": [
        {
          "cle": "mesures",
          "libelle": "Calé sur les chiffres publiés",
          "defaut": true,
          "electricite_Wh": 167127000000,
          "co2e_gCO2e": 76592500000
        },
        {
          "cle": "bruts",
          "libelle": "Facteurs bruts",
          "defaut": false,
          "electricite_Wh": 219996000000,
          "co2e_gCO2e": 100822000000
        }
      ]
    },
    {
      "dimension": "duree",
      "actuel": "an",
      "valeurs": [
        {
          "cle": "an",
          "libelle": "Un an",
          "defaut": true,
          "electricite_Wh": 167127000000,
          "co2e_gCO2e": 76592500000
        },
        {
          "cle": "mois",
          "libelle": "Un mois",
          "defaut": false,
          "electricite_Wh": 13927200000,
          "co2e_gCO2e": 6382710000
        },
        {
          "cle": "jour",
          "libelle": "Un jour",
          "defaut": false,
          "electricite_Wh": 457881000,
          "co2e_gCO2e": 209842000
        }
      ]
    }
  ],
  "curseurs": [
    {
      "cle": "jours",
      "defaut": 365
    },
    {
      "cle": "secondes",
      "defaut": 5.4
    }
  ],
  "params": {
    "lieu": "monde",
    "adoption": "courant",
    "calage": "mesures",
    "classe": "moyen",
    "outillage": "assistant",
    "raisonnement": "sans",
    "secteur": "services",
    "taille": "standard",
    "t_mot": 1.6,
    "t_consigne": 40,
    "t_question": 100,
    "t_reponse": 400,
    "t_email": 240,
    "t_page": 640,
    "t_article": 1600,
    "t_document": 19200,
    "t_roman": 128000,
    "t_tolkien": 768000,
    "t_minute_parole": 240,
    "t_reunion": 17600,
    "t_page_web": 1600,
    "t_extrait": 320,
    "t_image_lue": 1100,
    "t_minute_audio_lue": 600,
    "t_minute_audio_ecrite": 1200,
    "t_ligne_code": 12,
    "t_fonction": 480,
    "t_fichier_code": 3600,
    "t_tableur": 9300,
    "t_consigne_systeme": 500,
    "part_utilisateurs": 0.25,
    "k_calage": 0.6556
  },
  "perimetre": {
    "court": "usage personnel, études et travail des habitants",
    "compte": "l'usage personnel par âge, les études et le travail par métier, chacun compté une seule fois, centre de données compris",
    "non_compte": "les services d'IA des organisations, les usages par les interfaces de programmation, les moins de 12 ans et la fabrication des serveurs et l'entraînement des modèles"
  },
  "recette": [
    {
      "id": "IA-0074",
      "designation": "Usage personnel gratuit, 1 an",
      "role": "entree",
      "quantite": 6607440,
      "unitaire_Wh": 748.967,
      "contribution_Wh": 4948750000,
      "nature": "hypothese",
      "source": "eurostat-population-2025",
      "note": "12 à 15 ans : 18,9 millions, 38 % utilisent l'IA pour eux-mêmes, 92 % sans abonnement payant",
      "adresse": "https://projetcelsius.com/ia/base/activites/usage-personnel-gratuit-1-an/"
    },
    {
      "id": "IA-0319",
      "designation": "ChatGPT Plus, 1 an",
      "role": "entree",
      "quantite": 574560,
      "unitaire_Wh": 3031.26,
      "contribution_Wh": 1741640000,
      "nature": "hypothese",
      "source": "credoc-2026",
      "note": "Les 8 % d'utilisateurs personnels qui paient un abonnement, comme en France",
      "adresse": "https://projetcelsius.com/ia/base/activites/chatgpt-plus-1-an/"
    },
    {
      "id": "IA-0074",
      "designation": "Usage personnel gratuit, 1 an",
      "role": "entree",
      "quantite": 18070500,
      "unitaire_Wh": 748.967,
      "contribution_Wh": 13534200000,
      "nature": "mesure",
      "source": "eurostat-ia-2025",
      "note": "16 à 24 ans : 43,6 millions, 45 % utilisent l'IA pour eux-mêmes, 92 % sans abonnement payant",
      "adresse": "https://projetcelsius.com/ia/base/activites/usage-personnel-gratuit-1-an/"
    },
    {
      "id": "IA-0319",
      "designation": "ChatGPT Plus, 1 an",
      "role": "entree",
      "quantite": 1571340,
      "unitaire_Wh": 3031.26,
      "contribution_Wh": 4763150000,
      "nature": "hypothese",
      "source": "credoc-2026",
      "note": "Les 8 % d'utilisateurs personnels qui paient un abonnement, comme en France",
      "adresse": "https://projetcelsius.com/ia/base/activites/chatgpt-plus-1-an/"
    },
    {
      "id": "IA-0074",
      "designation": "Usage personnel gratuit, 1 an",
      "role": "entree",
      "quantite": 57619700,
      "unitaire_Wh": 748.967,
      "contribution_Wh": 43155200000,
      "nature": "mesure",
      "source": "eurostat-ia-2025",
      "note": "25 à 64 ans : 238,5 millions, 26 % utilisent l'IA pour eux-mêmes, 92 % sans abonnement payant",
      "adresse": "https://projetcelsius.com/ia/base/activites/usage-personnel-gratuit-1-an/"
    },
    {
      "id": "IA-0319",
      "designation": "ChatGPT Plus, 1 an",
      "role": "entree",
      "quantite": 5010410,
      "unitaire_Wh": 3031.26,
      "contribution_Wh": 15187800000,
      "nature": "hypothese",
      "source": "credoc-2026",
      "note": "Les 8 % d'utilisateurs personnels qui paient un abonnement, comme en France",
      "adresse": "https://projetcelsius.com/ia/base/activites/chatgpt-plus-1-an/"
    },
    {
      "id": "IA-0074",
      "designation": "Usage personnel gratuit, 1 an",
      "role": "entree",
      "quantite": 3564710,
      "unitaire_Wh": 748.967,
      "contribution_Wh": 2669850000,
      "nature": "hypothese",
      "source": "eurostat-ia-2025",
      "note": "65 à 89 ans : 94,5 millions, de 2 à 6 % selon l'âge, 92 % sans abonnement payant",
      "adresse": "https://projetcelsius.com/ia/base/activites/usage-personnel-gratuit-1-an/"
    },
    {
      "id": "IA-0319",
      "designation": "ChatGPT Plus, 1 an",
      "role": "entree",
      "quantite": 309974,
      "unitaire_Wh": 3031.26,
      "contribution_Wh": 939612000,
      "nature": "hypothese",
      "source": "credoc-2026",
      "note": "Les 8 % d'utilisateurs personnels qui paient un abonnement, comme en France",
      "adresse": "https://projetcelsius.com/ia/base/activites/chatgpt-plus-1-an/"
    },
    {
      "id": "IA-0317",
      "designation": "Élève du secondaire, 1 an",
      "role": "entree",
      "quantite": 5670000,
      "unitaire_Wh": 335.142,
      "contribution_Wh": 1900250000,
      "nature": "hypothese",
      "source": "eurostat-ia-2025",
      "note": "12 à 15 ans qui utilisent l'IA pour leurs études, hypothèse de 30 %",
      "adresse": "https://projetcelsius.com/ia/base/activites/eleve-du-secondaire-1-an/"
    },
    {
      "id": "IA-0317",
      "designation": "Élève du secondaire, 1 an",
      "role": "entree",
      "quantite": 5803700,
      "unitaire_Wh": 335.142,
      "contribution_Wh": 1945060000,
      "nature": "hypothese",
      "source": "eurostat-ia-2025",
      "note": "16 à 19 ans qui utilisent l'IA pour leurs études, 50 %, dont 60 % au lycée",
      "adresse": "https://projetcelsius.com/ia/base/activites/eleve-du-secondaire-1-an/"
    },
    {
      "id": "IA-0318",
      "designation": "Étudiant, 1 an",
      "role": "entree",
      "quantite": 11936500,
      "unitaire_Wh": 1065.42,
      "contribution_Wh": 12717400000,
      "nature": "hypothese",
      "source": "eurostat-ia-2025",
      "note": "16 à 24 ans dans le supérieur qui utilisent l'IA pour leurs études",
      "adresse": "https://projetcelsius.com/ia/base/activites/etudiant-1-an/"
    },
    {
      "id": "IA-0304",
      "designation": "Manager ou dirigeant, 1 an",
      "role": "entree",
      "quantite": 4985130,
      "unitaire_Wh": 811.161,
      "contribution_Wh": 4043740000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Dirigeants et managers dans l'Union européenne : 10,49 millions ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 2 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/manager-ou-dirigeant-1-an/"
    },
    {
      "id": "IA-0307",
      "designation": "Consultant, 1 an",
      "role": "entree",
      "quantite": 3258030,
      "unitaire_Wh": 2118.57,
      "contribution_Wh": 6902340000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Ingénieurs, consultants et chargés d'études dans l'Union européenne : 6,86 millions ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 2 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/consultant-1-an/"
    },
    {
      "id": "IA-0308",
      "designation": "Juriste, 1 an",
      "role": "entree",
      "quantite": 727700,
      "unitaire_Wh": 1137.39,
      "contribution_Wh": 827679000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Juristes dans l'Union européenne : 1,53 million ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 2 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/juriste-1-an/"
    },
    {
      "id": "IA-0309",
      "designation": "Chercheur, 1 an",
      "role": "entree",
      "quantite": 528675,
      "unitaire_Wh": 1489.49,
      "contribution_Wh": 787455000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Chercheurs dans l'Union européenne : 1,11 million ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 2 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/chercheur-1-an/"
    },
    {
      "id": "IA-0305",
      "designation": "Chargé de communication, 1 an",
      "role": "entree",
      "quantite": 676875,
      "unitaire_Wh": 1739.58,
      "contribution_Wh": 1177480000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Chargés de communication et de marketing dans l'Union européenne : 1,43 million ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 2 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/charge-de-communication-1-an/"
    },
    {
      "id": "IA-0306",
      "designation": "Journaliste, 1 an",
      "role": "entree",
      "quantite": 436525,
      "unitaire_Wh": 4559.08,
      "contribution_Wh": 1990150000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Journalistes, auteurs et traducteurs dans l'Union européenne : 919 000 ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 2 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/journaliste-1-an/"
    },
    {
      "id": "IA-0302",
      "designation": "Chargé des ressources humaines, 1 an",
      "role": "entree",
      "quantite": 676875,
      "unitaire_Wh": 719.389,
      "contribution_Wh": 486936000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Chargés des ressources humaines dans l'Union européenne : 1,43 million ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 2 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/charge-des-ressources-humaines-1-an/"
    },
    {
      "id": "IA-0301",
      "designation": "Comptable, 1 an",
      "role": "entree",
      "quantite": 3139180,
      "unitaire_Wh": 825.027,
      "contribution_Wh": 2589910000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Comptables et métiers de la finance dans l'Union européenne : 8,26 millions ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 1,6 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/comptable-1-an/"
    },
    {
      "id": "IA-0071",
      "designation": "Développeur, 1 an",
      "role": "entree",
      "quantite": 3153410,
      "unitaire_Wh": 4345.18,
      "contribution_Wh": 13702100000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Développeurs dans l'Union européenne : 5,31 millions ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 2,5 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/developpeur-1-an/"
    },
    {
      "id": "IA-0310",
      "designation": "Data scientist, 1 an",
      "role": "entree",
      "quantite": 672125,
      "unitaire_Wh": 3168.97,
      "contribution_Wh": 2129940000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Data scientists dans l'Union européenne : 1,13 million ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 2,5 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/data-scientist-1-an/"
    },
    {
      "id": "IA-0311",
      "designation": "Graphiste, 1 an",
      "role": "entree",
      "quantite": 1078730,
      "unitaire_Wh": 2998.41,
      "contribution_Wh": 3234460000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Graphistes, architectes et designers dans l'Union européenne : 2,27 millions ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 2 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/graphiste-1-an/"
    },
    {
      "id": "IA-0312",
      "designation": "Vidéaste, 1 an",
      "role": "entree",
      "quantite": 609425,
      "unitaire_Wh": 7365.32,
      "contribution_Wh": 4488610000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Vidéastes et métiers de l'image dans l'Union européenne : 1,28 million ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 2 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/videaste-1-an/"
    },
    {
      "id": "IA-0073",
      "designation": "Salarié de bureau, 1 an",
      "role": "entree",
      "quantite": 5689310,
      "unitaire_Wh": 1286.03,
      "contribution_Wh": 7316630000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Employés et techniciens de bureau dans l'Union européenne : 15,97 millions ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 1,5 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/salarie-de-bureau-1-an/"
    },
    {
      "id": "IA-0303",
      "designation": "Assistant de direction, 1 an",
      "role": "entree",
      "quantite": 1637330,
      "unitaire_Wh": 1381.95,
      "contribution_Wh": 2262700000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Assistants et secrétaires dans l'Union européenne : 4,60 millions ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 1,5 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/assistant-de-direction-1-an/"
    },
    {
      "id": "IA-0313",
      "designation": "Chargé de clientèle, 1 an",
      "role": "entree",
      "quantite": 1238680,
      "unitaire_Wh": 2097.33,
      "contribution_Wh": 2597930000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Chargés de clientèle dans l'Union européenne : 3,48 millions ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 1,5 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/charge-de-clientele-1-an/"
    },
    {
      "id": "IA-0314",
      "designation": "Commercial, 1 an",
      "role": "entree",
      "quantite": 2071240,
      "unitaire_Wh": 1443.22,
      "contribution_Wh": 2989250000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Commerciaux et acheteurs dans l'Union européenne : 5,81 millions ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 1,5 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/commercial-1-an/"
    },
    {
      "id": "IA-0316",
      "designation": "Enseignant, 1 an",
      "role": "entree",
      "quantite": 1650270,
      "unitaire_Wh": 567.667,
      "contribution_Wh": 936803000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Enseignants dans l'Union européenne : 10,69 millions ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 0,65 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/enseignant-1-an/"
    },
    {
      "id": "IA-0315",
      "designation": "Métier de terrain (technicien, soignant), 1 an",
      "role": "entree",
      "quantite": 3611450,
      "unitaire_Wh": 478.25,
      "contribution_Wh": 1727170000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Métiers qualifiés de terrain (soignants, techniciens, travail social) dans l'Union européenne : 23,39 millions ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 0,65 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/metier-de-terrain-1-an/"
    },
    {
      "id": "IA-0315",
      "designation": "Métier de terrain (technicien, soignant), 1 an",
      "role": "entree",
      "quantite": 3378530,
      "unitaire_Wh": 478.25,
      "contribution_Wh": 1615780000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Métiers de service et de vente dans l'Union européenne : 31,61 millions ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 0,45 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/metier-de-terrain-1-an/"
    },
    {
      "id": "IA-0315",
      "designation": "Métier de terrain (technicien, soignant), 1 an",
      "role": "entree",
      "quantite": 3798440,
      "unitaire_Wh": 478.25,
      "contribution_Wh": 1816600000,
      "nature": "hypothese",
      "source": "eurostat-emploi-2024",
      "note": "Ouvriers, agriculteurs et métiers manuels dans l'Union européenne : 59,23 millions ; part qui utilise l'IA au travail selon l'adoption, un usage de l'IA 0,27 fois celui de la moyenne des actifs ; × 0,95 pour retomber sur les 21,8 % d'Eurostat pour l'Union",
      "adresse": "https://projetcelsius.com/ia/base/activites/metier-de-terrain-1-an/"
    }
  ],
  "lignage": [
    {
      "id": "IA-0074",
      "designation": "Usage personnel gratuit, 1 an",
      "etage": "activites",
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      "contribution_Wh": 43155200000,
      "nature": "mesure",
      "fait_de": [
        {
          "id": "IA-0210",
          "designation": "Lire un aperçu généré par IA en tête d'une recherche",
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          "quantite": 14661200000,
          "contribution_Wh": 11672600000,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0042",
              "designation": "Poser une question rapide",
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              "quantite": 14661200000,
              "contribution_Wh": 11672600000,
              "nature": "hypothese"
            }
          ]
        },
        {
          "id": "IA-0047",
          "designation": "Créer un clip de 5 secondes",
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          "contribution_Wh": 9190570000,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0014",
              "designation": "Générer une seconde de vidéo",
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              "quantite": 551423000,
              "contribution_Wh": 9190570000,
              "nature": "mesure"
            }
          ]
        },
        {
          "id": "IA-0201",
          "designation": "Avoir une conversation de 10 échanges",
          "etage": "taches",
          "quantite": 2088720000,
          "contribution_Wh": 7350760000,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0021",
              "designation": "Écrire 1 000 tokens, avec l'effort de raisonnement",
              "etage": "machine",
              "quantite": 6025210000,
              "contribution_Wh": 5784210000,
              "nature": "convention"
            },
            {
              "id": "IA-0012",
              "designation": "Relire 1 000 tokens en cache",
              "etage": "machine",
              "quantite": 33891800000,
              "contribution_Wh": 1084540000,
              "nature": "hypothese"
            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
              "etage": "machine",
              "quantite": 1506300000,
              "contribution_Wh": 482017000,
              "nature": "convention"
            }
          ]
        },
        {
          "id": "IA-0045",
          "designation": "Faire une recherche approfondie",
          "etage": "taches",
          "quantite": 53557000,
          "contribution_Wh": 5297740000,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
              "etage": "machine",
              "quantite": 6181250000,
              "contribution_Wh": 1978000000,
              "nature": "hypothese"
            },
            {
              "id": "IA-0012",
              "designation": "Relire 1 000 tokens en cache",
              "etage": "machine",
              "quantite": 61797100000,
              "contribution_Wh": 1977510000,
              "nature": "hypothese"
            },
            {
              "id": "IA-0011",
              "designation": "Écrire 1 000 tokens",
              "etage": "machine",
              "quantite": 896058000,
              "contribution_Wh": 860215000,
              "nature": "hypothese"
            },
            {
              "id": "IA-0049",
              "designation": "Faire une recherche web classique (référence)",
              "etage": "taches",
              "quantite": 1606710000,
              "contribution_Wh": 482013000,
              "nature": "hypothese"
            }
          ]
        },
        {
          "id": "IA-0042",
          "designation": "Poser une question rapide",
          "etage": "taches",
          "quantite": 16290300000,
          "contribution_Wh": 4887080000,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0011",
              "designation": "Écrire 1 000 tokens",
              "etage": "machine",
              "quantite": 4699110000,
              "contribution_Wh": 4511150000,
              "nature": "convention"
            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
              "etage": "machine",
              "quantite": 1174780000,
              "contribution_Wh": 375929000,
              "nature": "convention"
            }
          ]
        },
        {
          "id": "IA-0046",
          "designation": "Créer une image",
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          "quantite": 464161000,
          "contribution_Wh": 1484250000,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0013",
              "designation": "Générer une image",
              "etage": "machine",
              "quantite": 510577000,
              "contribution_Wh": 1484250000,
              "nature": "mesure"
            }
          ]
        },
        {
          "id": "IA-0212",
          "designation": "Retoucher une photo",
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          "quantite": 232080000,
          "contribution_Wh": 803179000,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0013",
              "designation": "Générer une image",
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              "quantite": 255288000,
              "contribution_Wh": 742123000,
              "nature": "hypothese"
            },
            {
              "id": "IA-0017",
              "designation": "Analyser une image envoyée",
              "etage": "machine",
              "quantite": 167367000,
              "contribution_Wh": 58913200,
              "nature": "convention"
            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
              "etage": "machine",
              "quantite": 6694680,
              "contribution_Wh": 2142300,
              "nature": "convention"
            }
          ]
        },
        {
          "id": "IA-0215",
          "designation": "Parler en mode vocal, 1 minute",
          "etage": "taches",
          "quantite": 1160400000,
          "contribution_Wh": 723026000,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0011",
              "designation": "Écrire 1 000 tokens",
              "etage": "machine",
              "quantite": 502101000,
              "contribution_Wh": 482017000,
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            },
            {
              "id": "IA-0012",
              "designation": "Relire 1 000 tokens en cache",
              "etage": "machine",
              "quantite": 5021010000,
              "contribution_Wh": 160672000,
              "nature": "hypothese"
            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
              "etage": "machine",
              "quantite": 251051000,
              "contribution_Wh": 80336200,
              "nature": "hypothese"
            }
          ]
        },
        {
          "id": "IA-0043",
          "designation": "Interroger un PDF de 30 pages",
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          "quantite": 107114000,
          "contribution_Wh": 506736000,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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              "contribution_Wh": 477073000,
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            },
            {
              "id": "IA-0021",
              "designation": "Écrire 1 000 tokens, avec l'effort de raisonnement",
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              "contribution_Wh": 29662600,
              "nature": "convention"
            }
          ]
        },
        {
          "id": "IA-0205",
          "designation": "Corriger ou reformuler une page",
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          "quantite": 696241000,
          "contribution_Wh": 417748000,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0021",
              "designation": "Écrire 1 000 tokens, avec l'effort de raisonnement",
              "etage": "machine",
              "quantite": 321345000,
              "contribution_Wh": 308491000,
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            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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          ]
        },
        {
          "id": "IA-0206",
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          "contribution_Wh": 417748000,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0021",
              "designation": "Écrire 1 000 tokens, avec l'effort de raisonnement",
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              "quantite": 321345000,
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            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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          ]
        },
        {
          "id": "IA-0202",
          "designation": "Écrire un e-mail",
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          "contribution_Wh": 267787000,
          "nature": "hypothese",
          "fait_de": [
            {
              "id": "IA-0021",
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            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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        },
        {
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          "fait_de": [
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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            },
            {
              "id": "IA-0021",
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    },
    {
      "id": "IA-0319",
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          "fait_de": [
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              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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            },
            {
              "id": "IA-0012",
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            },
            {
              "id": "IA-0011",
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            },
            {
              "id": "IA-0049",
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          ]
        },
        {
          "id": "IA-0229",
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        },
        {
          "id": "IA-0201",
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          "fait_de": [
            {
              "id": "IA-0021",
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            },
            {
              "id": "IA-0012",
              "designation": "Relire 1 000 tokens en cache",
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            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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          ]
        },
        {
          "id": "IA-0047",
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          "fait_de": [
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              "id": "IA-0014",
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            }
          ]
        },
        {
          "id": "IA-0043",
          "designation": "Interroger un PDF de 30 pages",
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          "contribution_Wh": 986057000,
          "nature": "hypothese",
          "fait_de": [
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              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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            },
            {
              "id": "IA-0021",
              "designation": "Écrire 1 000 tokens, avec l'effort de raisonnement",
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              "contribution_Wh": 57720400,
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            }
          ]
        },
        {
          "id": "IA-0046",
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          "fait_de": [
            {
              "id": "IA-0013",
              "designation": "Générer une image",
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          ]
        },
        {
          "id": "IA-0205",
          "designation": "Corriger ou reformuler une page",
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          "contribution_Wh": 438915000,
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          "fait_de": [
            {
              "id": "IA-0021",
              "designation": "Écrire 1 000 tokens, avec l'effort de raisonnement",
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              "quantite": 337627000,
              "contribution_Wh": 324122000,
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            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
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            }
          ]
        },
        {
          "id": "IA-0220",
          "designation": "Confier une tâche à un agent dans le navigateur",
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          "fait_de": [
            {
              "id": "IA-0017",
              "designation": "Analyser une image envoyée",
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              "quantite": 281838000,
              "contribution_Wh": 99206900,
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            },
            {
              "id": "IA-0012",
              "designation": "Relire 1 000 tokens en cache",
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              "quantite": 2818380000,
              "contribution_Wh": 90188100,
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            },
            {
              "id": "IA-0021",
              "designation": "Écrire 1 000 tokens, avec l'effort de raisonnement",
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              "quantite": 70459500,
              "contribution_Wh": 67641100,
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            },
            {
              "id": "IA-0010",
              "designation": "Lire 1 000 tokens",
              "etage": "machine",
              "quantite": 141670000,
              "contribution_Wh": 45334600,
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  ],
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  "conventions": [
    {
      "code": "C5",
      "nom": "Le lieu par défaut",
      "regle": "Sans autre information, les serveurs sont dans le monde, à l'électricité moyenne mondiale",
      "valeur": "monde",
      "alternatives": "les États-Unis, où tournent la plupart des grands assistants"
    },
    {
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      "valeur": "Ember et Our World in Data, 2025",
      "alternatives": "market-based, avec les contrats d'achat, affiché à côté quand il est publié"
    },
    {
      "code": "C8",
      "nom": "Deux chiffres significatifs",
      "regle": "Une valeur calculée s'arrondit à deux chiffres significatifs, une valeur publiée est reprise avec la précision de sa source ; le calcul garde toute la précision",
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  ],
  "releves": [],
  "adresses": {
    "page": "https://projetcelsius.com/ia/base/monde/union-europeenne/",
    "lien_court": "https://projetcelsius.com/ia/base/IA-0508/",
    "json": "https://projetcelsius.com/ia/base/monde/union-europeenne.json",
    "markdown": "https://projetcelsius.com/ia/base/monde/union-europeenne.md"
  },
  "licence": "CC BY 4.0",
  "citation": "Projet Celsius, Base Impact de l'IA, « Union européenne, 1 an », IA-0508, version 0.1, 2 novembre 2026, projetcelsius.com/ia/base/IA-0508/ · CC BY 4.0."
}
