Happened in AI

Climate & Energy

The electricity and water used by AI data centers, and AI's use in forecasting, grids, and climate science.

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ExplainerClimate & Energy

AI and energy: what the electricity numbers mean

Estimates of AI's power use vary widely because they measure different things, from a single query to all data centers, so here is how to compare them.

Evidence: 1 source · 1 official record

Happened in AI Editors2 min read

Latest in Climate & Energy

  1. Twelve outlined squares represent proposed reactors. Labels show 80 megawatts each and 960 megawatts proposed total, with a clear feasibility-stage warning.
    The announced 12-unit design totals 960 MW. Symbols represent proposed units, not completed or licensed reactors. Source: X-energy and Utility Dive. Happened in AI · Original publication graphic; no third-party visual assets
  2. Two site boxes connect through an AI operating plan, illustrating workload shifting alongside solar and battery controls; no energy-saving number is shown.
    Conceptual diagram of the announced coordinated-control trial. It shows the control relationship, not measured power savings or a map of the test sites. Happened in AI · Original publication graphic; no third-party visual assets
  3. NewsClimate & EnergyDeveloping

    Microsoft pulls out of Nscale's planned UK AI data center after grid connection slips to the 2030s

    Microsoft has ended its deal to anchor Nscale's planned 50 MW AI data center in Loughton, England, after the local grid operator reportedly said enough power may not be available until the early to mid-2030s; both companies say other projects are unaffected.

    Evidence: 3 sources · 3 independent reports · 3 open questions

    Happened in AI Editors2 min read

  4. NewsClimate & Energy

    FERC rejects PJM's plan to curtail new data centers first in grid emergencies, but approves a large-load registry

    In a 9 October order, US regulators rejected PJM's proposal to let the grid operator cut power to new large loads such as data centers that do not bring their own supply, saying the choice belongs to states, while accepting a 50 MW definition and a registry.

    Evidence: 4 sources · 1 official record · 3 independent reports · 3 open questions

    Happened in AI Editors2 min read