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Cartis diligence evidence schedule

Vantage Lighthouse Campus

PRJ-0604 · Site · Port Washington, Wisconsin, United States

Record last updated Oct 28, 2026

Scope and capacity

Vantage’s Lighthouse campus in Port Washington, Wisconsin is under construction on approximately 672 acres. The four-building campus is designed for 902 MW of critical IT load, with completion planned for 2028. An on-site substation and We Energies service form part of the power plan.

Headline: 902 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.

Location context · Vantage Lighthouse | Port Washington | Wisconsin | United States

Actual · Vantage Lighthouse Campus (Project)

Claim 54725 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Port Washington, Wisconsin — Lighthouse campus

    Vantage Data Centers · Document date: Not stated · Primary

    Source reference: SRC-2947 · Company announcement · Recorded authority: Party primary

    Source URL

    https://vantage-dc.com/data-center-locations/north-america/port-washington-wisconsin/

Lifecycle status · Construction

Actual · Vantage Lighthouse Campus (Project)

Claim 54726 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Port Washington, Wisconsin — Lighthouse campus

    Vantage Data Centers · Document date: Not stated · Primary

    Source reference: SRC-2947 · Company announcement · Recorded authority: Party primary

    Source URL

    https://vantage-dc.com/data-center-locations/north-america/port-washington-wisconsin/

Reported capacity · 902 MW

Design · Vantage Lighthouse Campus (Project)

Claim 54727 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

Headline treatment: Separate claim, not added to the headline

  1. Port Washington, Wisconsin — Lighthouse campus

    Vantage Data Centers · Document date: Not stated · Primary

    Source reference: SRC-2947 · Company announcement · Recorded authority: Party primary

    Source URL

    https://vantage-dc.com/data-center-locations/north-america/port-washington-wisconsin/

Capacity basis · Source stated full build critical IT load

Actual · Vantage Lighthouse Campus (Project)

Claim 54728 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Port Washington, Wisconsin — Lighthouse campus

    Vantage Data Centers · Document date: Not stated · Primary

    Source reference: SRC-2947 · Company announcement · Recorded authority: Party primary

    Source URL

    https://vantage-dc.com/data-center-locations/north-america/port-washington-wisconsin/

Project identity · Vantage Lighthouse Campus

Actual · Vantage Lighthouse Campus (Project)

Claim 119597 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Wisconsin investment context for major AI data center development

    Wisconsin Economic Development Corporation · Document date: Jan 1, 2025 · Corroborating

    Source reference: SRC-6538 · Government record · Recorded authority: Official primary

    Source URL

    https://wedc.org/gov-evers-microsoft-officials-announce-new-4-billion-investment-in-mount-pleasant-datacenter/

  2. Port Washington, Wisconsin — Lighthouse campus

    Vantage Data Centers · Document date: Not stated · Primary

    Source reference: SRC-2947 · Company announcement · Recorded authority: Party primary

    Source URL

    https://vantage-dc.com/data-center-locations/north-america/port-washington-wisconsin/

Lifecycle status · Construction program

Actual · Vantage Lighthouse Campus (Project)

Claim 119598 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Wisconsin investment context for major AI data center development

    Wisconsin Economic Development Corporation · Document date: Jan 1, 2025 · Corroborating

    Source reference: SRC-6538 · Government record · Recorded authority: Official primary

    Source URL

    https://wedc.org/gov-evers-microsoft-officials-announce-new-4-billion-investment-in-mount-pleasant-datacenter/

  2. Port Washington, Wisconsin — Lighthouse campus

    Vantage Data Centers · Document date: Not stated · Primary

    Source reference: SRC-2947 · Company announcement · Recorded authority: Party primary

    Source URL

    https://vantage-dc.com/data-center-locations/north-america/port-washington-wisconsin/

Location · Port Washington, Ozaukee County, WI, US

Actual · Vantage Lighthouse Campus (Project)

Claim 119599 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Wisconsin investment context for major AI data center development

    Wisconsin Economic Development Corporation · Document date: Jan 1, 2025 · Corroborating

    Source reference: SRC-6538 · Government record · Recorded authority: Official primary

    Source URL

    https://wedc.org/gov-evers-microsoft-officials-announce-new-4-billion-investment-in-mount-pleasant-datacenter/

  2. Port Washington, Wisconsin — Lighthouse campus

    Vantage Data Centers · Document date: Not stated · Primary

    Source reference: SRC-2947 · Company announcement · Recorded authority: Party primary

    Source URL

    https://vantage-dc.com/data-center-locations/north-america/port-washington-wisconsin/

Participant roles · Vantage Data Centers, OpenAI, Oracle

Actual · Vantage Lighthouse Campus (Project)

Claim 119600 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Wisconsin investment context for major AI data center development

    Wisconsin Economic Development Corporation · Document date: Jan 1, 2025 · Corroborating

    Source reference: SRC-6538 · Government record · Recorded authority: Official primary

    Source URL

    https://wedc.org/gov-evers-microsoft-officials-announce-new-4-billion-investment-in-mount-pleasant-datacenter/

  2. Port Washington, Wisconsin — Lighthouse campus

    Vantage Data Centers · Document date: Not stated · Primary

    Source reference: SRC-2947 · Company announcement · Recorded authority: Party primary

    Source URL

    https://vantage-dc.com/data-center-locations/north-america/port-washington-wisconsin/

Capacity · 902 MW

Design · Vantage Lighthouse Campus (Project)

Claim 119601 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

Headline treatment: Selected headline

  1. Wisconsin investment context for major AI data center development

    Wisconsin Economic Development Corporation · Document date: Jan 1, 2025 · Corroborating

    Source reference: SRC-6538 · Government record · Recorded authority: Official primary

    Source URL

    https://wedc.org/gov-evers-microsoft-officials-announce-new-4-billion-investment-in-mount-pleasant-datacenter/

  2. Port Washington, Wisconsin — Lighthouse campus

    Vantage Data Centers · Document date: Not stated · Primary

    Source reference: SRC-2947 · Company announcement · Recorded authority: Party primary

    Source URL

    https://vantage-dc.com/data-center-locations/north-america/port-washington-wisconsin/

Capacity basis · 902 MW planned critical IT design capacity

Planned / design or future potential · Vantage Lighthouse Campus (Project)

Claim 119602 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

Headline treatment: Separate claim, not added to the headline

  1. Wisconsin investment context for major AI data center development

    Wisconsin Economic Development Corporation · Document date: Jan 1, 2025 · Corroborating

    Source reference: SRC-6538 · Government record · Recorded authority: Official primary

    Source URL

    https://wedc.org/gov-evers-microsoft-officials-announce-new-4-billion-investment-in-mount-pleasant-datacenter/

  2. Port Washington, Wisconsin — Lighthouse campus

    Vantage Data Centers · Document date: Not stated · Primary

    Source reference: SRC-2947 · Company announcement · Recorded authority: Party primary

    Source URL

    https://vantage-dc.com/data-center-locations/north-america/port-washington-wisconsin/

Development scale · Vantage’s Lighthouse campus in Port Washington, Wisconsin is under construction on approximately 672 acres. The four building campus is designed for 902 MW of critical IT load, with completion planned for 2028

Actual · Vantage Lighthouse Campus (Project)

Claim 119603 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Wisconsin investment context for major AI data center development

    Wisconsin Economic Development Corporation · Document date: Jan 1, 2025 · Corroborating

    Source reference: SRC-6538 · Government record · Recorded authority: Official primary

    Source URL

    https://wedc.org/gov-evers-microsoft-officials-announce-new-4-billion-investment-in-mount-pleasant-datacenter/

  2. Port Washington, Wisconsin — Lighthouse campus

    Vantage Data Centers · Document date: Not stated · Primary

    Source reference: SRC-2947 · Company announcement · Recorded authority: Party primary

    Source URL

    https://vantage-dc.com/data-center-locations/north-america/port-washington-wisconsin/

Infrastructure · An on site substation and We Energies service form part of the power plan.

Actual · Vantage Lighthouse Campus (Project)

Claim 119604 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Wisconsin investment context for major AI data center development

    Wisconsin Economic Development Corporation · Document date: Jan 1, 2025 · Corroborating

    Source reference: SRC-6538 · Government record · Recorded authority: Official primary

    Source URL

    https://wedc.org/gov-evers-microsoft-officials-announce-new-4-billion-investment-in-mount-pleasant-datacenter/

  2. Port Washington, Wisconsin — Lighthouse campus

    Vantage Data Centers · Document date: Not stated · Primary

    Source reference: SRC-2947 · Company announcement · Recorded authority: Party primary

    Source URL

    https://vantage-dc.com/data-center-locations/north-america/port-washington-wisconsin/

Counterparties and capital

OpenAI · Tenant · CMP-0007

Oracle · Developer · CMP-0006

Vantage Data Centers · Developer · CMP-0109

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.