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Data center campus

Vantage Port Washington (Lighthouse) Campus

Vantage Port Washington (Lighthouse) Campus is an AI data center campus developed by Vantage Data Centers in Wisconsin, Port Washington. 0.90 GW of capacity has been announced; none is energized yet. The gap is what this page tracks: what is claimed versus what is actually built, each figure dated and sourced.

Under construction · Vantage Data Centers · greenfield · MISO · Port Washington, Wisconsin, United States

Track Vantage Port Washington (Lighthouse) Campus

Capacity: announced vs energized

Under construction
not recorded
Energized
not recorded

Announced-to-energized gap: 0.90 GW. Every figure below is a single dated, sourced claim. Current best per series resolves by evidence tier, then date. See the methodology.

47th-largest announced of 102 tracked campuses57th percentile announced-to-energized gap≈ 731,000 homes of power at full announced capacity (basis)

Promised online: 2028. 27 months away. Claimed by Vantage Data Centers (source).

Vantage Port Washington (Lighthouse) Campus capacity claims
Source
Announced0.90 GW2025-10-22reportedpress release
Contracted1.30 GW2025-10-01reportedutility filing

Key facts

under construction

Lifecycle

0.90 GW

Announced

0 GW

Energized

Vantage Data Centers

Developer

United States

Location

MISO

Grid

greenfield

Land

1

Facilities tracked

Reported facts

Structured facts sourced from citations already on this record. Each fact traces to a source in the References section below.

Partners / program
OpenAI, Oracle, and Vantage Data Centers Stargate campus in Port Washington, Wisconsin (outside Milwaukee), part of OpenAI/Oracle additional Stargate capacity up to 4.5 GW (Vantage / Business Wire, Oct 22 2025)
Campus size (announced)
672-acre Lighthouse campus with four single-story data centers totaling 902 MW critical IT load across 2.5 million sq ft; completion scheduled for 2028 (Vantage Port Washington campus page)
Investment (announced)
Vantage describes a $15B+ investment in the Port Washington campus (Vantage announcement, Oct 22 2025)
Power / utility (announced)
Power from We Energies (WEC Energy Group). Vantage says it is enabling new zero-emission capacity (solar, wind, battery); 70% of that new capacity allocated to Lighthouse and 30% made available to Wisconsin consumers, with remaining campus energy matched by renewable purchases annually. Dedicated rate structure intended to shield other customers from price increases (Vantage, Oct 22 2025)
Cooling / water (announced)
Closed-loop liquid cooling with minimal water; Vantage committing a minimum of $175M to regional water/wastewater and power infrastructure upgrades (new water tower, upgraded mains/sewer) and stating a water-positive goal via restoration projects (Vantage, Oct 22 2025)
Jobs (announced)
More than 4,000 skilled construction jobs expected (most union); once complete, Vantage and Oracle claim more than 1,000 long-term jobs (Vantage, Oct 22 2025)
Sustainability design (announced)
Developing 500 of 672 acres; planting more than 2,000 native trees; wetland protection; eight-foot planted berm for sound mitigation; pursuing LEED certification (Vantage, Oct 22 2025)

On the data center map

Every tracked data center is on this map, centered on Vantage Port Washington (Lighthouse) Campus. Pan or zoom out to see how close rivals are building.

Free to use on your site, with a link back to DEPLOY.
The story of Vantage Port Washington (Lighthouse) Campus
Announced capex
$15B
Jobs
1,000 permanent reported
Grid
MISO · Grid connected, in progress: Vantage is seeking a 1.3 GW connection from We Energies, with full build-out potentially requiring 3.5 GW. MISO moved the in-service date to 1 December 2027, and ATC was awarded the substations that serve the site.
Derived
Cost per MW
$17M/MW
Cost per job
$15M per permanent job

Every figure is one row in the ledger below with its source. Derived rows are pure arithmetic on the rows above (not new claims). Absent lines mean the fact isn't on record yet.

In clusterWisconsin(43)

The deal

offtaker
OpenAI · Stargate program
utility
We Energies (WEC Energy Group) · Dedicated large-customer electricity rate
financier
Cloverleaf Infrastructure · Co-party on PSC collateral tariff filing
developer
Vantage Data Centers · Underwriting 100% of power infrastructure
operator
Vantage Data Centers
offtaker
Oracle · Stargate program

Power

Power source
grid
Grid operator
MISO
Interconnection
Grid connected, in progress: Vantage is seeking a 1.3 GW connection from We Energies, with full build-out potentially requiring 3.5 GW. MISO moved the in-service date to 1 December 2027, and ATC was awarded the substations that serve the site.
Water
Closed-loop liquid cooling system that uses minimal water; Vantage committing a minimum of $175M to regional water/wastewater upgrades (new water tower, upgraded mains, sewer). Stated goal water-positive via restoration projects.

45 diesel emergency generators (Wisconsin DNR permit 25-MIN-094), grid interconnect, Permitted. Backup generation air permit issued 2026-06-12

New generation for Lighthouse campus, 2 GW other, Announced. Partners cite 'nearly two gigawatts of new energy to the grid,' allocated ~70% to campus / ~30% to Wisconsin consumers; described as zero-emission energy capacity. No generation technology confirmed.

The MISO grid demand right now: 70.7 GW (EIA-930, 2026-10-02 08:00). Vantage Port Washington (Lighthouse) Campus's announced 0.90 GW would be 1.3% of the grid's current load.

County water status: No drought in Ozaukee County, week of 2026-09-22 (US Drought Monitor). Data centers are large water users for cooling; this is the neutral local water picture.

Why here

Vantage Port Washington (Lighthouse) Campus sits on greenfield in Wisconsin, Port Washington. It connects to the MISO grid, draws on grid power, interconnection is Grid connected, in progress: Vantage is seeking a 1.3 GW connection from We Energies, with full build-out potentially requiring 3.5 GW. MISO moved the in-service date to 1 December 2027, and ATC was awarded the substations that serve the site.. This siting summary is composed from the record's held fields, not speculation; see methodology.

Financial structure

Campus investment ($15B+)
$15B press release
Regional water/power infrastructure upgrades
$175M. Minimum commitment for water/wastewater treatment expansion, upgraded mains/sewer, new water tower and power infrastructure. press release

Regulatory paper trail

The filings and rules on record for this site and its jurisdiction, most recent first. Each is a sourced, dated artifact you can follow to the primary document.

NHTSA Recall: Zoox Robotaxi Software Update for Heavy Smoke Visibility (26E044)operational restriction · 2026-07-15 · United States
FCC Proposed Fines Against Drone Companies (July 2026)other · 2026-07-10 · United States

Investment, workforce and specs

Construction jobs
more than 4,000 skilled construction jobs, most union source
Permanent jobs
more than 1,000 long-term jobs (Vantage + Oracle) source

Facilities at this campus

Timeline

  2. Aug 2026
    financial recorded
    capex: Regional water/power infrastructure upgrades
  3. Oct 2026
    Current: Under construction

Sources

ac248e13-c7bf-4ec3-a3bf-7819994a8940 · Tracked with DEPLOY's verified-vs-claimed methodology. Every term is defined in the glossary. Announced numbers are claims, not built capacity.

Head-to-head

Vantage Port Washington (Lighthouse) Campus vs Vantage Data Centers — Frontier →Vantage Port Washington (Lighthouse) Campus vs Vantage TX1 San Antonio Campus →Vantage Port Washington (Lighthouse) Campus vs Microsoft Fairwater Data Center →Vantage Port Washington (Lighthouse) Campus vs Meta Beaver Dam Data Center →

Common questions

What is Vantage Port Washington (Lighthouse) Campus?
Vantage Port Washington (Lighthouse) Campus is an AI data center campus tracked on the DEPLOY registry, located in Port Washington. DEPLOY records its capacity as a dated, sourced ledger: announced gigawatts versus actually energized gigawatts, never a press-release total.
How much power will Vantage Port Washington (Lighthouse) Campus use?
Vantage Port Washington (Lighthouse) Campus has 0.90 GW of announced capacity on the DEPLOY registry; no energized capacity is yet recorded. Each figure is individually dated and sourced.
Who is building Vantage Port Washington (Lighthouse) Campus?
Vantage Data Centers is recorded as a party to Vantage Port Washington (Lighthouse) Campus on the DEPLOY registry. The full party list, with each role, is on the record.
Is Vantage Port Washington (Lighthouse) Campus operating yet?
As of the most recent verification on the DEPLOY registry, Vantage Port Washington (Lighthouse) Campus is under construction. DEPLOY tracks the lifecycle from announced through energized, so the current state reflects sourced evidence, not the original announcement.
How verified is the data on Vantage Port Washington (Lighthouse) Campus?
A human editor has reviewed this record for the indexed registry. Every capacity figure is an append-only, dated claim resolved to the highest-evidence tier; superseded claims are kept but excluded from the current view.

Deploy Watch

Track Vantage Port Washington (Lighthouse) Campus on Deploy.

We notify you when energized capacity, lifecycle state, or a new dated capacity claim changes against primary-source evidence, not when the developer issues a press release.

Cite this page

DEPLOY. (2026). Vantage Port Washington (Lighthouse) Campus: AI data center campus record. Retrieved October 2, 2026, from https://registry.deploy.report/datacenters/vantage-lighthouse-port-washington-wisconsin

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