the calm edition — one room at a time
About the same as one Google search, and less than a minute of your laptop. That's the whole marginal cost of asking.
Roughly three Irelands of electricity — about 0.3% of world generation, and growing fast. A real industrial load.
Both numbers are true. Most arguments quote one and ignore the other. Below, each scale gets its own small chart, measured against things from the same part of your life.
I am not an energy auditor. These are rough public estimates — real values vary by grid, hardware, climate, and who is arguing. Chatbot-query and training-run numbers are the most contested; queries use 2025-era measured estimates, training runs use the most-cited public figures. Please don't size a solar array off this page.
Google search (~0.3 Wh): Google (2009) · AI query (~0.3 Wh): Epoch AI (2025); Altman (0.34 Wh); the older ~3 Wh figure: de Vries, Joule (2023) · AI image: Luccioni, Jernite & Strubell (2023) · Streaming: IEA (2020) · Household & appliances: U.S. EIA / RECS · Gasoline = 33.7 kWh/gal: EPA · U.S. home (~10,600 kWh/yr) & per-person energy: EIA · Flights: ICCT · BLOOM 433 MWh (metered): Luccioni et al. (2022) · GPT-3 1,287 MWh: Patterson et al. (2021) · DeepSeek-V3: technical report (2024) · Llama 3.1: Meta model card · GPT-4 / Gemini / Grok estimates: Epoch AI · H100 node ~10.2 kW: NVIDIA · Bitcoin: Cambridge CBECI · U.S. data centers ~176 TWh (2023): LBNL · Global data centers & AI share: IEA, Energy and AI (2025) · U.S. & world generation: EIA / Ember · Eiffel Tower: official site · Hospitals: EIA CBECS · NYC subway: MTA · Google ops ~24 TWh (2023): Google Environmental Report · Ireland ~35 TWh: IEA.