Data center profile · Middlesex Township, Cumberland County, Pennsylvania

PAX-1 / Pennsylvania Digital I

Data center campus developed by Pennsylvania Data Center Partners and PowerHouse Data Centers in Cumberland County, Pennsylvania; about 1.1 GW of IT capacity planned.

Site work under way. Site plan granted. No utility agreement or generation permit is on record. Newest record Oct. 2026.
The campus, Lower-resolution satellite image, Oct. 9, 2026
694
acres in the site
2029+
first building in service, our estimate
no dated power path yet; no company target on record
None named
serving utility
Power plan not yet known
OperatorPennsylvania Data Center Partners and PowerHouse Data Centers
CustomerNone named
Planned IT capacity1.1 GW at full build-out (our estimate from the company or utility power figure)
First building in serviceOur estimate: 2029 or later (no dated power path yet).
The site

The site from above

Satellite overview
Lower-resolution satellite image, Oct. 9, 2026.
Power

Power and the grid

No utility agreement or generation permit is on record yet.

We checked utility filings, regulator dockets and air-permit records for this campus.

Permits

Permits checklist

1 granted · 4 checked, nothing on file

Approvals a campus like this normally needs, and what we found.

Timeline

What happened, and what is due

SitePaper trailConstructionPowerPermitsMoneyLegalUpcoming
  1. July 15, 2025
    Site Project first appears in the public record
  2. Jan. 5, 2026
    Permits Site plan approved by Middlesex Township Board of Supervisors. Local government · Aug. 2026
Construction activity

Satellite captures by quarter

Since Sept. 2025: 3 satellite captures.

Satellite
’26
Dot size: records in the quarter, largest = 1. Two-digit years mark each first quarter.
Who is involved

Owners, partners and builders

Owners and developers
  • Carlisle Development Partners, landowner
Investors and lenders
  • Pennsylvania Data Center Partners, partner
  • PowerHouse Data Centers, partner
Still unknown

Open questions

Where this comes from

19 records from 6 documents

Drawn from news reports, public and commercial datasets, local government records and satellite captures, each kept with its date and source. The bar shows documents by type.

News report 2Dataset 2Local government 1Satellite 1
Evidence

Every quote behind this page

Grade key: A = the primary record itself (permit, filing, exhibit) · B = a dated official statement · C = news reporting. Map distances are our own measurements on OpenStreetMap and carry no grade. Allegations in lawsuits are marked as such in the quotes.

Power (1)
  • IT capacity: 1,350 MW
    “The Pennsylvania Digital I is a 1.35 GW data center project announced by the joint venture of Pennsylvania Data Center Partners and PowerHouse Data Centers”
    News report · Aug. 2026 · grade C
Money and contracts (2)
  • community benefits agreement: executed
    “CDP is the legal owner of an approximately 694-acre tract of land located in Middlesex Township, Cumberland County, Pennsylvania”
    Local government · Aug. 2026 · grade B
  • Announced: July 15, 2025
    “announced plans for their first joint venture: a $15 billion project with three hyperscale data center campuses in Central Pennsylvania. The new AI data hub, Pennsylvania Digital I (PAX) will deliver 1.35 GW of capacity”
    News report · July 2025 · grade C
Permits and government (3)
  • site plan: approved
    “On January 5, 2026, the Township Board of Supervisors ("Board") granted Preliminary Subdivision Plan approval for subdivision of the Property into five lots”
    Local government · Aug. 2026 · grade B
  • site plan: approved
    “The Board granted Preliminary Land Development Plan approval for Phases 1A, 1B, 1C and 2 of the Development and Final Land Development Plan approval for Phase 1A”
    Local government · Aug. 2026 · grade B
  • site plan: approved
    “Final land development approved Wednesday 2 September 2026”
    Dataset · Sept. 2026 · grade C
Site and other (5)
  • Campus name: PAX-1 / Pennsylvania Digital I
    “CARLISLE DEVELOPMENT PARTNERS LLC ("CDP")”
    Local government · Aug. 2026 · grade B
  • Project status: under construction
    “CDP has initiated substantial construction activities on the Property”
    Local government · Aug. 2026 · grade B
  • Site acreage: 694 acres
    “CDP is the legal owner of an approximately 694-acre tract of land located in Middlesex Township, Cumberland County, Pennsylvania”
    Local government · Aug. 2026 · grade B
  • County parcel IDs: 21-06-0015-001; 21-06-0015-013; 21-06-0015-014; 21-06-0015-015
    “Cumberland County Property Id. Nos. 21-06-0015-001, 21-06-0015-013, 21-06-0015-014, and 21-06-0015-015”
    Local government · Aug. 2026 · grade B
  • County code: 42041
    “an approximately 694-acre tract of land located in Middlesex Township, Cumberland County, Pennsylvania”
    Local government · Aug. 2026 · grade B

Imagery and records: Satellite imagery: Sentinel-2 (ESA Copernicus).