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Capacity, status, permit, grid-request and construction changes over the last three years, each with its source. A change means the same source reported a new value later; two sources disagreeing is not a change. Follow a facility, company, utility, state or ISO by email, or subscribe to the feed in any RSS reader.

Each change is tagged by evidence: ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record. filing, deed, permit or grid recordAnnouncedStated by the company or reported in the press; not yet backed by a filing or grid record. company or press claimEst.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. satellite, model or map inferenceHow levels are assigned

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Changes per month by evidence level. Click a month to filter.
2023-112026-10
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  1. Jun 15, 2026
    Colossus 2 · MS
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current IT capacity: 490 MW → 946 MW
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 661 MW → 1.28 GW
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 1 → 2
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: The site is estimated to have at least ~830 MW of GPU server power, with at least "at least 220,000 additional GB300 processors and over 400 additional megawatts of compute power", corresponding to the "next phase of …
    Source: Epoch AI
  2. May 15, 2026
    Amazon Ridgeland · MS
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 0 → 4
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Under construction → Operating + expanding
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Buildings 1-4 are operational, based on the buildings shells and backup generators and most of the landscaping looking complete. Building 5 roof is complete but still lacks cooling equipment.
    Source: Epoch AI
  3. Apr 6, 2026
    Colossus 2 · MS
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current IT capacity: 239 MW → 490 MW
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 323 MW → 661 MW
    Source: Epoch AI
  4. Oct 19, 2025
    Colossus 2 · MS
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 0 → 1
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Under construction → Operating + expanding
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Battery facility looks complete (though more might be added). Turbines look connected up, minimal construction around them. We believe this state corresponds to the first compute cluster brought online at this site of…
    Source: Epoch AI
  5. Jun 23, 2025
    Amazon Madison Mega Site · MS
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 0 → 5
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Under construction → Operating + expanding
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Buildings 1-5 are operational, based on roofs being completed 5 months ago and generators being installed by 2025-04-10.
    Source: Epoch AI
  6. Feb 28, 2025
    Colossus 2 · MS
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Construction started: Land clearing begins next to the existing building.
    Source: Epoch AI
  7. Feb 24, 2024
    Amazon Ridgeland · MS
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Construction started: Land clearing begins
    Source: Epoch AI