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Data center project · Cumberland County, Pennsylvania

Pennsylvania Digital 1 (PAX-1)

Under construction · An 18-building, $15 billion campus on 700 acres near Carlisle won township approval and is moving ahead while opponents challenge it in court.

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Status
Under construction · as of Oct. 5, 2026
Location
Off Country Club Road, Middlesex Township, northeast of Carlisle · Cumberland County
Status note
Final township approval in September 2026; a county judge declined to stop construction pending a Nov. 13 hearing on residents' challenge.
Power
Not reported
No power figure published in the sources reviewed.
Land
700 acres
Investment
$15 billion (developer figure)
Developer and team
Carlisle Development Partners
Water
Middlesex water authority committed up to 400,000 gallons a day (reported)
Evidence
Primary public records
Size class
50 MW or more (tracker scope)
Map position approximate, from the reported address or area. Updated Oct. 17, 2026.

Updates, newest first

  1. Oct. 20, 2026 The state Department of Environmental Protection's data center permit tracker lists 21 environmental permit or authorization entries for the project: 9 issued, 4 pending, 8 not yet submitted. (Pennsylvania Department of Environmental Protection, Oct. 20, 2026; Pennsylvania Department of Environmental Protection, Oct. 20, 2026)
  2. Oct. 5, 2026 Cumberland County Judge Matthew Smith refused to halt construction and set a Nov. 13 hearing on a discretionary stay. (ABC27, Oct. 5, 2026)
  3. Sept. 2026 Supervisors granted final approval. (ABC27, Oct. 5, 2026)
  4. May 2026 Supervisors approved zoning changes and preliminary approval; opponents filed a zoning challenge. (ABC27, Oct. 5, 2026)
  5. Jan. 9, 2026 Middlesex Township supervisors approved subdivision plans for the 18-building campus. (WHP 580 (iHeartRadio), Jan. 9, 2026)
  6. Jan. 30, 2025 Earliest environmental permit application listed for the project on DEP's data center permit tracker submitted. (Pennsylvania Department of Environmental Protection, Oct. 20, 2026; Pennsylvania Department of Environmental Protection, Oct. 20, 2026)

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