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What changed — Memphis Light, Gas and Water

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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 1 · TN
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Operating + expanding → Operating
    Source: Epoch AI
  2. Feb 11, 2026
    Colossus 1 · TN
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 442 MW → 425 MW
    Source: Epoch AI
  3. Nov 7, 2025
    Colossus 1 · TN
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current IT capacity: 268 MW → 340 MW
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 348 MW → 442 MW
    Source: Epoch AI
  4. Sep 17, 2025
    Colossus 1 · TN
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current IT capacity: 340 MW → 268 MW
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 442 MW → 348 MW
    Source: Epoch AI
  5. Jul 22, 2025
    Colossus 1 · TN
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current IT capacity: 278 MW → 340 MW
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 361 MW → 442 MW
    Source: Epoch AI
  6. Feb 17, 2025
    Colossus 1 · TN
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current IT capacity: 139 MW → 278 MW
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 181 MW → 361 MW
    Source: Epoch AI
  7. Sep 2, 2024
    Colossus 1 · TN
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current IT capacity: 35 MW → 139 MW
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 45 MW → 181 MW
    Source: Epoch AI
  8. Aug 11, 2024
    Colossus 1 · TN
    • 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: First significant/useful training workload on 25k H100s.
    Source: Epoch AI
  9. Apr 24, 2024
    Colossus 1 · TN
    • Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Construction started: Construction starts with a road added on site, retrofitting a former Electrolux building.
    Source: Epoch AI