Skip to content
CARTIS
← Return to profile

Cartis diligence evidence schedule

Princeton Digital Group TY1 Saitama Campus

PRJ-1283 · Site · Saitama, Japan

Record last updated Oct 29, 2026

Scope and capacity

PDG’s TY1 campus in Saitama retains a 96 MW IT design; its April 2025 launch covered only the 48 MW first phase. OCP-hosted operator assessments describe 48 MW per building and 66 kV supply design, not measured load or verified utility contracts. DC2’s January 2025 assessment targets June 2028 services but uses an unresolved TY2 internal label; its relationship to the existing schedule remains unclear. Assessment PUE responses are not measured performance. Published investment values are not expenditure or loan facilities. Current phase-two delivery, occupied load, title and permit identifiers remain unverified.

Headline: 96 MW Planned critical IT

Numbers refer to their stated physical boundaries and are not added together. Source dates, claim dates and record updates have different meanings. Missing dates and locators are not inferred.

Claims and exhibit sources

Jump to a claim (5)

Target IT capacity MW · 96 MW

Planned / design or future potential · Princeton Digital Group TY1 Saitama Campus (Project)

Claim 160759 · Recorded claim type: Forecast · Review: Approved · Claim date: Not stated

Headline treatment: Selected headline

  1. Princeton Digital Group Launches One of Japan’s Largest AI-Ready Data Centers with USD 1 Billion TY1 Campus in Greater Tokyo

    Princeton Digital Group · Document date: Apr 24, 2025 · Primary

    Source reference: SRC-8094 · Company announcement · Recorded authority: Party primary

    Source URL

    https://princetondg.com/press-releases/princeton-digital-group-launches-one-of-japans-largest-ai-ready-data-centers-with-usd-1-billion-ty1-campus-in-greater-tokyo/

  2. Princeton Digital Group Sustainability Report 2024–2025

    Princeton Digital Group · Document date: Not stated · Corroborating

    Source reference: SRC-8095 · Company announcement · Recorded authority: Party primary

    Source URL

    https://princetondg.com/wp-content/uploads/2025/07/PDG-SustainabilityReport24-25.pdf

Land and site control context · 33,000 Square metre site; built to suit by Lendlease Data Centre Partners for PDG. Legal freehold/title ownership not independently established.

Reported rounded · Princeton Digital Group TY1 Saitama Campus (Project)

Claim 160761 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. Lendlease and Princeton Digital Group Complete Core and Shell Construction of One of Japan’s Largest Data Center Campuses

    Princeton Digital Group · Document date: Mar 27, 2024 · Primary

    Source reference: SRC-8097 · Company announcement · Recorded authority: Party primary

    Source URL

    https://princetondg.com/press-releases/lendlease-and-princeton-digital-group-complete-core-and-shell-construction-of-one-of-japans-largest-data-center-campuses-2/

Site location · Saitama City, Saitama Prefecture, Japan 331-0823. Operator coordinates: 35.935982, 139.607999. The OCP-hosted TY1 DC1 self assessment dated January 31, 2025 identifies 2-1917 Nissincho, Kita ku, Saitama City, Saitama Prefecture, Japan. It lists 48 MW critical IT power, 12,096 m² white space, active/standby 66 kV TEPCO supply and air cooled chillers providing chilled water to data halls. These are operator assessed facility/design specifications, not an inspected utility contract, cadastral title or measured operating load.

Reported rounded · Princeton Digital Group TY1 Saitama Campus (Project)

Claim 162641 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Not stated

  1. TY1 DC1 — OCP Ready v2 operator self-assessment

    Open Compute Project (hosting PDG self-assessment) · Document date: Not stated · Primary

    Source reference: SRC-8322 · Fact sheet · Recorded authority: Party primary

    Source URL

    https://www.opencompute.org/documents/ocp-ready-v2-for-hyperscale-data-center-site-assessment-v1-0-rev1-13-ty1-dc1-pdg-japan-pdf

  2. TY1 Data Center Factsheet

    Princeton Digital Group · Document date: Not stated · Primary

    Source reference: SRC-8096 · Company announcement · Recorded authority: Party primary

    Source URL

    https://princetondg.com/wp-content/uploads/2024/07/PDG-TY1-Factsheet-v1.0-1.pdf

Reviewed pdg dc2 conflict context · OCP’s registry separately lists TY1 DC2 and links its approved operator assessment. The assessment, dated January 31, 2025, describes 48 MW critical IT at the same address, with build in progress status and estimated live services June 30, 2028. Its internal location name says PDG TY2, while its title and registry say TY1 DC2. Nomenclature, current delivery status and the relationship to the existing operator schedule remain unresolved; certification does not establish commissioning.

Source report · Princeton Digital Group TY1 Saitama Campus (Project)

Claim 162642 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. TY1 DC2 — OCP Ready v2 operator self-assessment

    Open Compute Project (hosting PDG self-assessment) · Document date: Not stated · Primary

    Source reference: SRC-8323 · Fact sheet · Recorded authority: Party primary

    Source URL

    https://www.opencompute.org/documents/ocp-ready-v2-for-hyperscale-data-center-site-assessment-v1-0-rev1-13-ty1-dc2-pdg-japan-pdf

  2. Princeton Digital Group TY1 DC2 — OCP Ready registry

    Open Compute Project · Document date: Not stated · Primary

    Source reference: SRC-8324 · Fact sheet · Recorded authority: Party primary

    Source URL

    https://www.opencompute.org/marketplace/ocp-ready-data-centers/princeton-digital-group-ty1-saitama-city-japan-ocp-ready-for-hyperscale-dc2/

Reviewed pdg technical bases context · The OCP-hosted operator assessments dated January 31, 2025 use 48 MW critical IT per building and a PUE response category above 1.3 at 80% maximum utilization. The relationship of those assessment responses to existing operator technical specifications remains unresolved. They do not establish measured operating PUE or revise the retained 96 MW campus design headline.

Source report · Princeton Digital Group TY1 Saitama Campus (Project)

Claim 162643 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. TY1 DC1 — OCP Ready v2 operator self-assessment

    Open Compute Project (hosting PDG self-assessment) · Document date: Not stated · Primary

    Source reference: SRC-8322 · Fact sheet · Recorded authority: Party primary

    Source URL

    https://www.opencompute.org/documents/ocp-ready-v2-for-hyperscale-data-center-site-assessment-v1-0-rev1-13-ty1-dc1-pdg-japan-pdf

  2. TY1 DC2 — OCP Ready v2 operator self-assessment

    Open Compute Project (hosting PDG self-assessment) · Document date: Not stated · Primary

    Source reference: SRC-8323 · Fact sheet · Recorded authority: Party primary

    Source URL

    https://www.opencompute.org/documents/ocp-ready-v2-for-hyperscale-data-center-site-assessment-v1-0-rev1-13-ty1-dc2-pdg-japan-pdf

Counterparties and capital

Princeton Digital Group · Developer, Operator · CMP-1172

This schedule captures public Cartis research. It is not a title, lien or legal-opinion report. Document page/section locators and claim review timestamps are included only when published; this version has no separate locator or claim-review-time feed.