{"id":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","slug":"vantage-lighthouse-port-washington-wisconsin","name":"Vantage Port Washington (Lighthouse) Campus","aliases":["Lighthouse campus","Stargate Wisconsin","Port Washington data center campus"],"locationId":"5621887a-bd46-46e9-a06a-80d67a0950c0","lat":null,"lng":null,"locationPrecision":null,"landStatus":"greenfield","lifecycleState":"under_construction","powerSourceMix":"grid","interconnectionQueueStatus":"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.","interconnectionQueueId":null,"expectedEnergizationDate":null,"dedicatedSubstation":null,"gridOperator":"MISO","waterSourceNotes":"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.","servingUtility":null,"acreage":672,"totalBuildingSqft":null,"streetAddress":null,"notes":"Vantage's 'Lighthouse' campus on 672 acres (of 1,644 controlled) in Port Washington, Ozaukee County, announced as a Stargate site for OpenAI and Oracle. Plans describe four buildings totaling ~902 MW; Vantage is separately seeking a ~1.3 GW grid connection (up to 3.9 GW long term) via We Energies. Strong state/utility signals: Wisconsin DNR air permit for 45 diesel generators (25-MIN-094, issued June 12 2026), wetland/stormwater approvals, and a June 2026 PSC 'very large customer' collateral tariff filing. Final energized MW and timeline beyond the announced build are not fixed.","keyFacts":[],"reviewStatus":"reviewed","sources":[{"url":"https://dnr.wisconsin.gov/topic/EIA/Portwashington.html","date":"2026-06-12","title":"Port Washington Data Center Proposal (environmental review, air permit 25-MIN-094)","publisher":"Wisconsin DNR"},{"url":"https://www.datacenterdynamics.com/en/news/vantage-seeking-13gw-grid-connection-for-data-center-in-port-washington-wisconsin/","date":"2025-10-01","title":"Vantage seeking 1.3GW grid connection for data center in Port Washington","publisher":"DataCenterDynamics"},{"url":"https://www.wispolitics.com/2026/utility-data-center-developers-want-tech-giant-exempted-from-billion-dollar-collateral-requirements/","date":"2026-06-01","title":"Utility, data center developers want tech giant exempted from collateral requirements","publisher":"WisPolitics"},{"url":"https://www.businesswire.com/news/home/20251022873578/en/","date":"2025-10-22","title":"OpenAI, Oracle and Vantage Announce Stargate Site in Wisconsin","publisher":"Business Wire"}],"reviewNote":null,"createdAt":"2026-08-17T20:23:02.195Z","updatedAt":"2026-08-28T17:34:28.286Z","location":{"id":"5621887a-bd46-46e9-a06a-80d67a0950c0","name":"Port Washington","slug":"port-washington-wisconsin","kind":"city","parentLocationId":"977b5374-34d6-4ea6-b3b1-de69931acac7","region":"West Coast","lat":43.3885538,"lng":-87.8692845,"reviewStatus":"reviewed","aliases":[],"collisionRisk":"high","reviewNote":null,"createdAt":"2026-08-17T20:23:01.813Z","updatedAt":"2026-08-21T03:20:12.226Z"},"parties":[{"id":"4773dc64-ddbc-445f-bf51-e85b96bf28fa","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","companyId":null,"externalName":"OpenAI","role":"offtaker","structureNotes":"Stargate program","createdAt":"2026-08-17T20:23:06.259Z","company":null},{"id":"47b64b73-6a8d-43f4-b014-b6a893ec1764","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","companyId":null,"externalName":"We Energies (WEC Energy Group)","role":"utility","structureNotes":"Dedicated large-customer electricity rate","createdAt":"2026-08-17T20:23:07.992Z","company":null},{"id":"be861b32-a96e-451f-9c84-ae233e3229b4","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","companyId":null,"externalName":"Cloverleaf Infrastructure","role":"financier","structureNotes":"Co-party on PSC collateral tariff filing","createdAt":"2026-08-17T20:23:08.761Z","company":null},{"id":"1d392b24-0370-4734-a674-04e763a8d35b","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","companyId":"43c13a4e-5869-4ce0-8fb6-4b048fb7b5b2","externalName":"Vantage Data Centers","role":"developer","structureNotes":"Underwriting 100% of power infrastructure","createdAt":"2026-08-17T20:23:04.629Z","company":{"id":"43c13a4e-5869-4ce0-8fb6-4b048fb7b5b2","name":"Vantage Data Centers","slug":"vantage-data-centers"}},{"id":"e4456459-a786-4078-accd-49ab0549b5ac","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","companyId":"43c13a4e-5869-4ce0-8fb6-4b048fb7b5b2","externalName":"Vantage Data Centers","role":"operator","structureNotes":null,"createdAt":"2026-08-17T20:23:05.505Z","company":{"id":"43c13a4e-5869-4ce0-8fb6-4b048fb7b5b2","name":"Vantage Data Centers","slug":"vantage-data-centers"}},{"id":"f019d81a-786f-4345-b92a-08839c4bfe62","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","companyId":"a18eca31-e45d-4693-9cd1-7d306be303fb","externalName":"Oracle","role":"offtaker","structureNotes":"Stargate program","createdAt":"2026-08-17T20:23:07.018Z","company":{"id":"a18eca31-e45d-4693-9cd1-7d306be303fb","name":"Oracle","slug":"oracle"}}],"capacityClaims":[{"id":"e454abd4-3c27-4b61-ac68-f92093b7c395","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","series":"announced","valueGw":0.902,"asOf":"2025-10-22T00:00:00.000Z","sourceUrl":"https://www.businesswire.com/news/home/20251022873578/en/","sourceType":"press_release","evidenceTier":"reported","supersedesId":null,"note":"Four buildings, ~902 MW across 2.5M sq ft, target 2028","createdAt":"2026-08-17T20:23:02.875Z"},{"id":"1b8def8e-4528-447c-bc44-0e115ab858f9","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","series":"contracted","valueGw":1.3,"asOf":"2025-10-01T00:00:00.000Z","sourceUrl":"https://www.datacenterdynamics.com/en/news/vantage-seeking-13gw-grid-connection-for-data-center-in-port-washington-wisconsin/","sourceType":"utility_filing","evidenceTier":"reported","supersedesId":null,"note":"~1.3 GW grid connection sought near-term via We Energies; up to 3.9 GW long term","createdAt":"2026-08-17T20:23:03.709Z"}],"financialClaims":[{"id":"7245daa5-62eb-4ea6-8629-8a9abb9b7703","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","kind":"capex","label":"Campus investment ($15B+)","valueUsd":"15000000000","capUsd":null,"conditions":null,"asOf":"2025-10-22T00:00:00.000Z","sourceUrl":"https://vantage-dc.com/news/openai-oracle-and-vantage-data-centers-announce-stargate-data-center-site-in-wisconsin/","sourceType":"press_release","evidenceTier":"reported","createdAt":"2026-08-19T00:29:07.156Z"},{"id":"b3839af1-e80b-40fe-8ab5-04ab01043232","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","kind":"capex","label":"Regional water/power infrastructure upgrades","valueUsd":"175000000","capUsd":null,"conditions":"Minimum commitment for water/wastewater treatment expansion, upgraded mains/sewer, new water tower and power infrastructure.","asOf":"2025-10-22T00:00:00.000Z","sourceUrl":"https://vantage-dc.com/news/openai-oracle-and-vantage-data-centers-announce-stargate-data-center-site-in-wisconsin/","sourceType":"press_release","evidenceTier":"reported","createdAt":"2026-08-19T00:29:07.923Z"}],"metricClaims":[{"id":"ab14de09-12ff-4847-a186-788aa10b6639","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","metricType":"jobs_construction","valueNumeric":4000,"valueText":"more than 4,000 skilled construction jobs, most union","unit":null,"grantingJurisdiction":null,"asOf":"2025-06-01T00:00:00.000Z","sourceUrl":"https://vantage-dc.com/news/openai-oracle-and-vantage-data-centers-announce-stargate-data-center-site-in-wisconsin/","sourceType":"press_release","evidenceTier":"reported","supersedesId":null,"note":null,"createdAt":"2026-08-19T00:29:09.138Z"},{"id":"06fac8d9-5b35-4984-ab9b-0e50d1ff8735","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","metricType":"jobs_permanent","valueNumeric":1000,"valueText":"more than 1,000 long-term jobs (Vantage + Oracle)","unit":null,"grantingJurisdiction":null,"asOf":"2025-06-01T00:00:00.000Z","sourceUrl":"https://vantage-dc.com/news/openai-oracle-and-vantage-data-centers-announce-stargate-data-center-site-in-wisconsin/","sourceType":"press_release","evidenceTier":"reported","supersedesId":null,"note":null,"createdAt":"2026-08-19T00:29:09.523Z"}],"powerProjects":[{"id":"4b1ccfbe-2ed9-4e67-9baf-60a94413baf4","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","name":"45 diesel emergency generators (Wisconsin DNR permit 25-MIN-094)","type":"grid_interconnect","capacityGw":null,"lifecycleState":"permitted","sourceUrl":"https://dnr.wisconsin.gov/topic/EIA/Portwashington.html","evidenceTier":"verified","note":"Backup generation air permit issued 2026-06-12","createdAt":"2026-08-17T20:23:04.246Z"},{"id":"473ebd89-d745-4294-b171-1dc195002f10","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","name":"New generation for Lighthouse campus","type":"other","capacityGw":2,"lifecycleState":"announced","sourceUrl":"https://vantage-dc.com/news/openai-oracle-and-vantage-data-centers-announce-stargate-data-center-site-in-wisconsin/","evidenceTier":"reported","note":"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.","createdAt":"2026-08-19T00:29:08.747Z"}],"facilities":[{"slug":"vantage-port-washington-port-washington-wisconsin","name":"Vantage Port Washington (Lighthouse)","status":"under_construction","criticalItMw":902,"facilityType":"hyperscale"}],"incidents":[],"events":[{"id":"22c10d55-72f7-4a8d-8990-c7fc20f8cfe6","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","eventType":"financial_recorded","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"capex: Regional water/power infrastructure upgrades","occurredAt":"2026-08-19T00:29:08.311Z","createdAt":"2026-08-19T00:29:08.311Z"},{"id":"975e844c-e999-455a-989e-4a05fef6b9e2","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","eventType":"financial_recorded","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"capex: Campus investment ($15B+)","occurredAt":"2026-08-19T00:29:07.536Z","createdAt":"2026-08-19T00:29:07.536Z"},{"id":"c9fe7868-b3c5-4cea-92a6-c2ff741cdc8e","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","eventType":"party_added","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"financier: Cloverleaf Infrastructure","occurredAt":"2026-08-17T20:23:09.141Z","createdAt":"2026-08-17T20:23:09.141Z"},{"id":"917cc96a-11d6-44ec-98f3-fb96e90e9002","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","eventType":"party_added","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"utility: We Energies (WEC Energy Group)","occurredAt":"2026-08-17T20:23:08.375Z","createdAt":"2026-08-17T20:23:08.375Z"},{"id":"4dada2cb-b4fc-4b13-80ba-3c36e84e52d1","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","eventType":"party_added","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"offtaker: Oracle","occurredAt":"2026-08-17T20:23:07.522Z","createdAt":"2026-08-17T20:23:07.522Z"},{"id":"b84117f8-0ee6-4447-8640-0579cc68393e","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","eventType":"party_added","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"offtaker: OpenAI","occurredAt":"2026-08-17T20:23:06.643Z","createdAt":"2026-08-17T20:23:06.643Z"},{"id":"1a323e5c-79f3-411d-902b-65630bfcd809","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","eventType":"party_added","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"operator: Vantage Data Centers","occurredAt":"2026-08-17T20:23:05.883Z","createdAt":"2026-08-17T20:23:05.883Z"},{"id":"5738e38f-1264-4b34-87be-38a4a5d137b2","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","eventType":"party_added","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"developer: Vantage Data Centers","occurredAt":"2026-08-17T20:23:05.002Z","createdAt":"2026-08-17T20:23:05.002Z"},{"id":"33c5869d-394f-4f69-9ce3-34b023edc289","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","eventType":"capacity_changed","series":"contracted","oldValue":null,"newValue":"1.3","claimId":"1b8def8e-4528-447c-bc44-0e115ab858f9","detail":null,"occurredAt":"2026-08-17T20:23:04.014Z","createdAt":"2026-08-17T20:23:04.014Z"},{"id":"5e3b3840-3a0c-468c-86da-f58fadec1f43","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","eventType":"claim_recorded","series":"contracted","oldValue":null,"newValue":"1.3","claimId":"1b8def8e-4528-447c-bc44-0e115ab858f9","detail":"reported · utility_filing","occurredAt":"2026-08-17T20:23:03.862Z","createdAt":"2026-08-17T20:23:03.862Z"},{"id":"38e78920-7767-4448-93f7-27fe1fd762de","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","eventType":"capacity_changed","series":"announced","oldValue":null,"newValue":"0.902","claimId":"e454abd4-3c27-4b61-ac68-f92093b7c395","detail":null,"occurredAt":"2026-08-17T20:23:03.177Z","createdAt":"2026-08-17T20:23:03.177Z"},{"id":"65ab5b23-de4d-422c-abfa-11be55d9960c","dataCenterId":"ac248e13-c7bf-4ec3-a3bf-7819994a8940","eventType":"claim_recorded","series":"announced","oldValue":null,"newValue":"0.902","claimId":"e454abd4-3c27-4b61-ac68-f92093b7c395","detail":"reported · press_release","occurredAt":"2026-08-17T20:23:03.029Z","createdAt":"2026-08-17T20:23:03.029Z"}],"capacity_picture":{"announced_gw":0.902,"contracted_gw":1.3,"under_construction_gw":null,"energized_gw":null,"announced_minus_energized_gw":0.902,"by_series":{"announced":{"valueGw":0.902,"asOf":"2025-10-22T00:00:00.000Z","evidenceTier":"reported","sourceUrl":"https://www.businesswire.com/news/home/20251022873578/en/"},"contracted":{"valueGw":1.3,"asOf":"2025-10-01T00:00:00.000Z","evidenceTier":"reported","sourceUrl":"https://www.datacenterdynamics.com/en/news/vantage-seeking-13gw-grid-connection-for-data-center-in-port-washington-wisconsin/"},"under_construction":null,"energized":null}},"jsonLd":{"@context":"https://schema.org","@type":"Place","name":"Vantage Port Washington (Lighthouse) Campus","url":"https://registry.deploy.report/datacenters/vantage-lighthouse-port-washington-wisconsin","address":{"@type":"PostalAddress","addressLocality":"Port Washington"}}}