International Energy Agency

Why Every AI Energy Estimate Disagrees, and Why the Numbers Still Matter

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Why Every AI Energy Estimate Disagrees, and Why the Numbers Still Matter

Ask how much a single chatbot query costs the planet and the answers scatter wildly: anywhere from a tenth of a watt-hour to several watt-hours, and from five drops of water to roughly 45 millilitres. None of those figures is invented. Each measures a different thing, on a different model, inside a different data centre … Read more

Solar Panel Soiling: How Much Output Uncleaned Panels Really Lose

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Solar Panel Soiling: How Much Output Uncleaned Panels Really Lose

Nobody warns you at the point of sale what happens when a photovoltaic array goes months without rain and dust settles across the cells. The efficiency penalty is real, measurable and — in many cases — avoidable with basic upkeep. The International Energy Agency estimates that soiling costs residential installations between 4% and 7% of … Read more