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Weekly brief · 2026-W42 · data as of Oct 12, 2026

This week in US data centers

29 sourced changes this week: 26 confirmed, 0 announced, 3 estimated. Plus 1 new large interconnection-queue filings in the last 30 days.

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All changesTrends

The numbers (vs 2026-W41)

Tracked facilities
1,935▲ 13
MW online (floor)
19.21 GW▲ 1.31 GW
Announced MW
57.65 GW▲ 168 MW
With a power figure
12%▲ 1%

Changes in totals mix real-world change with growing coverage. MW figures are floors.

What changed

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
  1. Oct 12, 2026Equinix Ashburn DC18VAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Permitting status: Site plan LEGI-2025-0027: Active → Site plan EPLAN-2024-0193: Approved

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  2. Oct 12, 2026Equinix Ashburn DC18VAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Planned floor area: 183,900 sq ft → 162,000 sq ft

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  3. Oct 12, 2026Proposed data center — BeaumeadeVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Permitting status: Site plan LEGI-2024-0047 : Active → Site plan EPLAN-2023-0083: Approved

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  4. Oct 12, 2026Proposed data center — BeaumeadeVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Planned floor area: 96,800 sq ft → 113,000 sq ft

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  5. Oct 12, 2026Proposed data center — EPLAN-2025-0195VAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Permitting status: Site plan LEGI-2023-0048: Approved → Site plan EPLAN-2025-0195: Active

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  6. Oct 12, 2026Proposed data center — EPLAN-2025-0195VAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Planned floor area: 67,800 sq ft → 751,900 sq ft

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  7. Oct 12, 2026Proposed data center — Loudoun Tech CenterVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Permitting status: Site plan STPL-2023-0008: Approved: Conditionally → Site plan LEGI-2024-0058: Active

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  8. Oct 12, 2026Proposed data center — Loudoun Tech CenterVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Planned floor area: 285,200 sq ft → 196,100 sq ft

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  9. Oct 12, 2026Proposed data center — Prologis ExchangeVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Permitting status: Site plan EPLAN-2024-0036: Active → Site plan EPLAN-2025-0102: Active

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  10. Oct 12, 2026Proposed data center — Prologis ExchangeVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Planned floor area: 697,500 sq ft → 16,000 sq ft

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  11. Oct 12, 2026Proposed data center — Sdc AshburnVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Permitting status: Site plan LEGI-2025-0015: Active → Site plan STMP-2022-0020: Approved

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  12. Oct 12, 2026Proposed data center — Sdc AshburnVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Planned floor area: 20,000 sq ft → 621,500 sq ft

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  13. Oct 12, 2026Proposed data center — Sdc AshburnVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Floor area: 531,600 sq ft → 1.06M sq ft

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  14. Oct 5, 2026Equinix Ashburn DC18VAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Permitting status: Site plan LEGI-2025-0027: Active → Site plan EPLAN-2024-0193: Approved

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  15. Oct 5, 2026Equinix Ashburn DC18VAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Planned floor area: 183,900 sq ft → 162,000 sq ft

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  16. Oct 5, 2026Proposed data center — BeaumeadeVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Permitting status: Site plan LEGI-2024-0047 : Active → Site plan EPLAN-2023-0083: Approved

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  17. Oct 5, 2026Proposed data center — BeaumeadeVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Planned floor area: 96,800 sq ft → 113,000 sq ft

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  18. Oct 5, 2026Proposed data center — EPLAN-2025-0195VAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Permitting status: Site plan LEGI-2023-0048: Approved → Site plan EPLAN-2025-0195: Active

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  19. Oct 5, 2026Proposed data center — EPLAN-2025-0195VAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Planned floor area: 67,800 sq ft → 751,900 sq ft

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  20. Oct 5, 2026Proposed data center — Loudoun Tech CenterVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Permitting status: Site plan STPL-2023-0008: Approved: Conditionally → Site plan LEGI-2024-0058: Active

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  21. Oct 5, 2026Proposed data center — Loudoun Tech CenterVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Planned floor area: 285,200 sq ft → 196,100 sq ft

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  22. Oct 5, 2026Proposed data center — Prologis ExchangeVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Permitting status: Site plan EPLAN-2024-0036: Active → Site plan EPLAN-2025-0102: Active

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  23. Oct 5, 2026Proposed data center — Prologis ExchangeVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Planned floor area: 697,500 sq ft → 16,000 sq ft

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  24. Oct 5, 2026Proposed data center — Sdc AshburnVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Permitting status: Site plan LEGI-2025-0015: Active → Site plan STMP-2022-0020: Approved

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  25. Oct 5, 2026Proposed data center — Sdc AshburnVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Planned floor area: 20,000 sq ft → 621,500 sq ft

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  26. Oct 5, 2026Proposed data center — Sdc AshburnVAConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.

    Floor area: 531,600 sq ft → 1.06M sq ft

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  27. Oct 12, 2026Argo Data CenterTXEstimatedModeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.

    Status: Operating → Under construction

    Source: OpenStreetMap contributors

  28. Oct 12, 2026Proposed data center — Sdc AshburnVAEstimatedModeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.

    Status: Operating → Under construction

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

  29. Oct 5, 2026Proposed data center — Sdc AshburnVAEstimatedModeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.

    Status: Operating → Under construction

    Source: Loudoun County, VA — Department of Planning & Zoning GIS

New interconnection-queue filings (last 30 days)

Data-center load requests, and generation requests of 300 MW or more, as published by each ISO/RTO. Applications, not commitments.