Charts and maps
Charts
AI data drawn and sourced, from the electricity use of data centres to the water used by one question.
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ClimateAI emissions, compared2023 to 2030 · GreenIT, 2026; Eurostat; Citepa; ATAG
ElectricityData centre electricity2024 (estimate) and 2030 (base case) · IEA, Energy and AI, April 2025, rounded values
WaterWater for one question, from 0.26 to 50 mL depending on scope2023 to 2025 · Google; OpenAI; UC Riverside; Mistral AI
UsesElectricity used by a generated video, 7 models measuredMeasurements published in September 2025 · Delavande, Pierrard and Luccioni, September 2025
Key figures
The selected value, what it represents and its source, from one written question to the world's data centres.
All key figures →Key figureOne question · 2025Electricity used by a written question to an AI0.3Wh0.24 Wh, Google0.34 Wh, OpenAIthe range published by providersA typical questionEpoch AI, February 2025Key figureOne question · 2024Electricity used by an AI-generated image2.9Whabout 15% of a phone charge (19 Wh)Average of open modelsLuccioni et al., 2024; EPAKey figureOne question · 2025Water for one question to Gemini0.26mLabout 5 drops of water evaporatedOn-site cooling onlyGoogle, August 2025Key figureWorld · 2024Electricity consumed by data centres in 2024415TWhabout 1.5% of the electricity consumed worldwideAll uses, not AI aloneIEA, April 2025
ClimateWorld · 2025The carbon intensity of electricityNorway 28France 41Poland 589gCO2e/kWh458gworld average, life cycleEmber, via Our World in DataElectricityWorld · 2025The low-carbon share of electricityFrance 95%United States 43%low-carbon electricity43%world averageEmber; Our World in DataWaterWorld · 2023Water stress, country by countryFrance 21%Spain 43%India 66%withdrawals / resources17.6%world averageFAO, SDG 6.4.2, via Our World in DataAcross the hub
AI Impact DatabaseAll the figures, their methodology and their sources.
AI Ranking10 assistants rated out of 100: performance, ethics and environment.
AnalysesThe signed pieces: analyses, viewpoints, "Where does this figure come from?".Charts and mapsYou are hereThe reference visuals, with their data and sources.
ToolsOpen calculations, your assumptions on the left, the result on the right.
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