{
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "attribution": "Data: Data Center Record, datacenterrecord.org, CC BY 4.0. Link to the specific record page where possible.",
  "source": "https://datacenterrecord.org/states/wi/ozaukee-county/port-washington",
  "retrieved_at": "2026-10-07T17:49:59.207Z",
  "count": 1,
  "projects": [
    {
      "slug": "vantage-port-washington-data-center-wi",
      "name": "Vantage Port Washington Data Center",
      "summary": "A Vantage data center in Port Washington faces disputes over energy cost allocation, a state regulatory rejection of its power line project, and an environmental lawsuit filed against the Wisconsin DNR over the project's environmental review.",
      "state": "WI",
      "city": "Port Washington",
      "county": "Ozaukee County",
      "status": "under_construction",
      "developer": "Vantage",
      "capacity_mw": 1000,
      "latitude": 43.39333,
      "longitude": -87.88111,
      "location_precision": "county",
      "location_source": "County seat (Port Washington), Wikidata, placed at county level",
      "location_verified_at": "2026-09-16",
      "coordinate_source": "wikidata county seat",
      "location_last_verified": "2026-09-16",
      "site_address": null,
      "site_address_source_url": null,
      "published": "2026-09-05",
      "last_verified": "2026-09-25",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/vantage-port-washington-data-center-wi",
      "sources": [
        {
          "title": "Go behind the scenes with an exclusive look at Vantage Data Centers massive Port Washington project",
          "url": "https://www.bizjournals.com/milwaukee/news/2026/06/15/vantage-data-centers-tour.html",
          "publisher": "The Business Journals",
          "date": "2026-06-15",
          "source_tier": 4
        },
        {
          "title": "Vantage tops out second building at OpenAI's Lighthouse campus in Wisconsin",
          "url": "https://www.datacenterdynamics.com/en/news/vantage-tops-out-second-building-at-openais-lighthouse-campus-in-wisconsin/",
          "publisher": "Data Center Dynamics",
          "date": "2026-06-26",
          "source_tier": 3
        },
        {
          "title": "Business groups sue to block Port Washington residents from interfering with TIDs",
          "url": "https://www.wpr.org/news/business-groups-sue-port-washington-tids-development-incentives",
          "publisher": "wpr.org",
          "date": "2026-02-04",
          "source_tier": 4
        },
        {
          "title": "Drone view of the data center under construction in Port Washington",
          "url": "https://www.jsonline.com/videos/news/2026/01/20/drone-view-of-the-data-center-under-construction-in-port-washington/88272261007/",
          "publisher": "Milwaukee Journal Sentinel",
          "date": "2026-01-20",
          "source_tier": 4
        },
        {
          "title": "Sierra Club sues DNR over Port Washington data center project permitting - BizTimes",
          "url": "https://biztimes.com/sierra-club-sues-dnr-over-port-washington-data-center-project-permitting/",
          "publisher": "Milwaukee Business News",
          "date": "2026-07-10",
          "source_tier": 4
        },
        {
          "title": "Final report out on environmental impacts of Port Washington data center transmission lines",
          "url": "https://www.gmtoday.com/news_graphic/news/wisconsin-port-washington-data-center-transmission/article_8bfc387f-e607-4fb2-a2e7-4e7e962725b9.html",
          "publisher": "Greater Milwaukee Today",
          "date": "2026-07-23",
          "source_tier": 4
        },
        {
          "title": "TMJ4 gets exclusive look at construction of $15B Port Washington data center campus",
          "url": "https://www.youtube.com/watch?v=u383Ay2XQ1M",
          "publisher": "YouTube",
          "date": null,
          "source_tier": 5
        },
        {
          "title": "Port Washington residents urge DNR to deny air quality permits for data center",
          "url": "https://www.wpr.org/news/port-washington-residents-urge-dnr-to-deny-air-quality-permits-for-data-center",
          "publisher": "wpr.org",
          "date": "2026-04-15",
          "source_tier": 4
        },
        {
          "title": "New photos show growth of Port Washington AI campus",
          "url": "https://www.jsonline.com/picture-gallery/news/2026/08/06/port-washington-ai-data-center-construction-continues-as-of-aug-6/91199547007/",
          "publisher": "Milwaukee Journal Sentinel",
          "date": "2026-08-06",
          "source_tier": 4
        },
        {
          "title": "Residents demand transparency on Port Washington's $15B AI data center's water and environmental impact",
          "url": "https://www.tmj4.com/news/local-news/residents-demand-transparency-on-port-washingtons-15b-ai-data-centers-water-and-environmental-impact",
          "publisher": "TMJ4 News",
          "date": "2026-07-28",
          "source_tier": 4
        },
        {
          "title": "Construction advances on $15B Port Washington data center",
          "url": "https://www.jsonline.com/videos/news/2026/04/22/work-progresses-on-8b-port-washington-data-center/89734346007/",
          "publisher": "Milwaukee Journal Sentinel",
          "date": "2026-04-22",
          "source_tier": 4
        },
        {
          "title": "New drone video shows growth of Port Washington AI campus",
          "url": "https://www.jsonline.com/videos/news/2026/08/06/port-washington-ai-data-center-construction-continues-as-of-aug-6/91200835007/",
          "publisher": "Milwaukee Journal Sentinel",
          "date": "2026-08-06",
          "source_tier": 4
        },
        {
          "title": "A hyperscale construction project",
          "url": "https://www.ozaukeepress.com/content/hyperscale-construction-project",
          "publisher": "Ozaukee Press",
          "date": "2026-04-08",
          "source_tier": 4
        },
        {
          "title": "Port Washington neighbors react to new 'I ❤️ PW' sculpture funded by former data center developer",
          "url": "https://www.tmj4.com/news/local-news/in-your-community/ozaukee-county/port-washington-neighbors-react-to-new-i-pw-sculpture-funded-by-former-data-center-developer",
          "publisher": "TMJ4 News",
          "date": "2026-08-25",
          "source_tier": 4
        },
        {
          "title": "Port Washington residents say new traffic signal at I-43 interchange near data center construction is a welcome fix",
          "url": "https://www.yahoo.com/news/videos/port-washington-residents-traffic-signal-215007038.html",
          "publisher": "Yahoo",
          "date": "2026-08-31",
          "source_tier": 4
        },
        {
          "title": "Neighbors react to misplaced fire hydrant on County Highway LL in Port Washington",
          "url": "https://www.tmj4.com/news/local-news/in-your-community/ozaukee-county/neighbors-react-to-misplaced-fire-hydrant-on-county-highway-ll-in-port-washington",
          "publisher": "TMJ4 News",
          "date": "2026-09-01",
          "source_tier": 4
        },
        {
          "title": "Port Washington residents say new traffic signals at the I-43 interchange construction are a welcome fix",
          "url": "https://www.tmj4.com/news/local-news/in-your-community/ozaukee-county/port-washington-residents-say-new-traffic-signals-at-the-i-43-interchange-construction-are-a-welcome-fix",
          "publisher": "TMJ4 News",
          "date": "2026-08-31",
          "source_tier": 4
        },
        {
          "title": "At Port Washington Forum, Data Center Developers Face Skeptical Neighbors - Urban Milwaukee",
          "url": "https://urbanmilwaukee.com/2026/09/11/at-port-washington-forum-data-center-developers-face-skeptical-neighbors/",
          "publisher": "Urban Milwaukee",
          "date": "2026-09-11",
          "source_tier": 4
        },
        {
          "title": "ATC restarts push for grid upgrades serving Port Washington data center - VernonReporter",
          "url": "https://vernonreporter.com/atc-restarts-push-for-grid-upgrades-serving-port-washington-data-center/",
          "publisher": "VernonReporter",
          "date": "2026-09-16",
          "source_tier": 4
        },
        {
          "title": "Data center transmission line plan moved off artist's Saukville property - The Center Square",
          "url": "https://www.wjfw.com/news/regional/data-center-transmission-line-plan-moved-off-artists-saukville-property/article_fae5ba76-4a72-5a0c-840e-8092b5facd68.html",
          "publisher": "The Center Square",
          "date": "2026-09-17",
          "source_tier": 4
        },
        {
          "title": "ATC reapplies to build a more than $2B transmission project serving Port Washington data center - WPR",
          "url": "https://www.wpr.org/news/atc-reapplies-transmission-project-port-washington-data-center",
          "publisher": "WPR",
          "date": "2026-09-18",
          "source_tier": 4
        },
        {
          "title": "OpenAI, Oracle, and Vantage plan Stargate Wisconsin data center, expected to be 'close to a gigawatt' - Data Center Dynamics",
          "url": "https://www.datacenterdynamics.com/en/news/openai-oracle-and-vantage-plan-stargate-wisconsin-data-center-expected-to-be-close-to-a-gigawatt/",
          "publisher": "Data Center Dynamics",
          "date": "2025-10-23",
          "source_tier": 1
        },
        {
          "title": "OpenAI, Oracle and Vantage Data Centers Announce Stargate Data Center Site in Wisconsin - Business Wire",
          "url": "https://vantage-dc.com/news/openai-oracle-and-vantage-data-centers-announce-stargate-data-center-site-in-wisconsin/",
          "publisher": "Business Wire",
          "date": "2025-10-22",
          "source_tier": 1
        },
        {
          "title": "Building the Port Washington Lighthouse Campus the Right Way",
          "url": "https://www.youtube.com/watch?v=qopVu12VS0g",
          "publisher": "YouTube",
          "date": "2026-01-09",
          "source_tier": 5
        },
        {
          "title": "Rare look inside a Vantage data center",
          "url": "https://www.youtube.com/watch?v=JAuA8zKgdAs",
          "publisher": "YouTube",
          "date": "2026-07-28",
          "source_tier": 5
        },
        {
          "title": "TMJ4 gets rare look inside a Vantage data center",
          "url": "https://www.youtube.com/watch?v=jKqPme-EbTE",
          "publisher": "YouTube",
          "date": "2026-07-28",
          "source_tier": 5
        },
        {
          "title": "Resident voices concern over potential pollution from new data center in Ozaukee County",
          "url": "https://spectrumnews1.com/wi/milwaukee/news/2026/05/19/health-impacts-data-centers-",
          "publisher": "Spectrum News",
          "date": "2026-05-20",
          "source_tier": 4
        },
        {
          "title": "Port Washington Data Center & Piping Plovers",
          "url": "https://civicmedia.us/shows/eco-minute/2026/08/25/port-washington-data-center-piping-plovers",
          "publisher": "civicmedia.us",
          "date": "2026-08-25",
          "source_tier": 2
        },
        {
          "title": "Vantage Data Centers: Data center locations",
          "url": "https://vantage-dc.com/data-center-locations/",
          "publisher": "Vantage Data Centers",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Port grapples with ‘crazy’ data center traffic",
          "url": "https://www.ozaukeepress.com/content/port-grapples-%E2%80%98crazy%E2%80%99-data-center-traffic",
          "publisher": "Ozaukee Press",
          "date": "2026-08-19",
          "source_tier": 4
        },
        {
          "title": "‘Community Conversation’ held on massive $15B data center campus in Port Washington",
          "url": "https://www.wpr.org/news/community-conversation-data-center-campus-port-washington",
          "publisher": "Wisconsin Public Radio",
          "date": "2026-09-11",
          "source_tier": 4
        },
        {
          "title": "Companies behind Port Washington data centers meet with neighbors - WLUK",
          "url": "https://fox11online.com/news/business/port-washington-data-center-project-lighthouse-construction-open-house-neighbor-concerns-companies-representatives-vantage-oracle-openai",
          "publisher": "WLUK",
          "date": "2026-09-11",
          "source_tier": 4
        },
        {
          "title": "Rare look inside Vantage data center amid debate over Wisconsin project",
          "url": "https://www.tmj4.com/news/local-news/tmj4-gets-rare-look-inside-a-vantage-data-center-amid-debate-over-15-billion-wisconsin-project",
          "publisher": "TMJ4 News",
          "date": "2026-07-27",
          "source_tier": 4
        },
        {
          "title": "Frustration grows over 24 hour data center construction in Port Washington",
          "url": "https://www.wpr.org/news/frustration-grows-over-24-hour-data-center-construction-port-washington",
          "publisher": "wpr.org",
          "date": "2026-03-13",
          "source_tier": 4
        },
        {
          "title": "Another data center tops out",
          "url": "https://ozaukeepress.com/content/another-data-center-tops-out-0",
          "publisher": "Ozaukee Press",
          "date": "2026-07-01",
          "source_tier": 4
        },
        {
          "title": "Port Washington, Wisconsin Interview: Vantage Data Corporation with Mayor Ted Neitzke",
          "url": "https://www.youtube.com/watch?v=ahhA652jiAE",
          "publisher": "YouTube",
          "date": null,
          "source_tier": 5
        },
        {
          "title": "PSC deals major blow to transmission project supporting Port Washington data center",
          "url": "https://www.wpr.org/news/psc-denies-transmission-project-port-washington-data-center",
          "publisher": "wpr.org",
          "date": "2026-08-07",
          "source_tier": 4
        },
        {
          "title": "Port Washington limits construction hours for data center project after complaints",
          "url": "https://www.wpr.org/news/port-washington-limits-construction-hours-data-center-project-after-complaints",
          "publisher": "wpr.org",
          "date": "2026-03-20",
          "source_tier": 4
        },
        {
          "title": "Groundbreaking held as construction begins on $15 billion Port Washington data center - BizTimes",
          "url": "https://biztimes.com/groundbreaking-held-as-construction-begins-on-15b-port-washington-data-center/",
          "publisher": "Milwaukee Business News",
          "date": "2025-12-17",
          "source_tier": 4
        },
        {
          "title": "Port Washington council approves TID for $15B data center campus as residents continue to speak out",
          "url": "https://www.wpr.org/news/port-washington-council-approves-tid",
          "publisher": "wpr.org",
          "date": "2025-11-05",
          "source_tier": 4
        },
        {
          "title": "Port Washington data center developer nears $38B financing package - The Business Journals",
          "url": "https://www.bizjournals.com/milwaukee/news/2026/04/29/vantage-data-centers-financing-deal.html",
          "publisher": "The Business Journals",
          "date": "2026-04-29",
          "source_tier": 1
        },
        {
          "title": "Land purchased in Port Washington for massive data center campus - The Business Journals",
          "url": "https://www.bizjournals.com/milwaukee/news/2025/06/27/land-acquired-data-center.html",
          "publisher": "The Business Journals",
          "date": "2025-06-27",
          "source_tier": 1
        },
        {
          "title": "Vantage data center energy costs: Who pays the bill in Port Washington, Wisconsin? - TMJ4 News",
          "url": "https://www.tmj4.com/news/local-news/in-your-community/ozaukee-county/vantage-data-center-energy-costs-who-pays-the-bill-in-port-washington-wisconsin",
          "publisher": "TMJ4 News",
          "date": "2026-07-31",
          "source_tier": 4
        },
        {
          "title": "State regulators deliver massive setback to Port Washington data center power lines - WTMJ",
          "url": "https://wtmj.com/news/2026/08/07/state-regulators-deliver-massive-setback-to-port-washington-data-center-power-lines/",
          "publisher": "WTMJ",
          "date": "2026-08-07",
          "source_tier": 4
        },
        {
          "title": "Wisconsin regulators send ATC back to the drawing board on data center connection project - Wisconsin Watch",
          "url": "https://wisconsinwatch.org/2026/08/wisconsin-psc-regulators-data-center-connection-project-atc-back-to-drawing-board-port-washington/",
          "publisher": "Wisconsin Watch",
          "date": "2026-08-07",
          "source_tier": 4
        },
        {
          "title": "Port Washington's data center power line construction dealt a major blow - WISN",
          "url": "https://www.wisn.com/article/port-washingtons-data-center-power-line-construction-dealt-a-major-blow/73370936",
          "publisher": "WISN",
          "date": "2026-08-06",
          "source_tier": 4
        },
        {
          "title": "Groups sue Wisconsin DNR over environmental review of Port Washington data centers - WPR",
          "url": "https://www.wpr.org/news/lawsuit-wisconsin-dnr-environmental-review-port-washington-data-centers",
          "publisher": "WPR",
          "date": "2026-07-10",
          "source_tier": 4
        },
        {
          "title": "$15 billion Vantage data center breaks ground in Port Washington",
          "url": "https://dailyreporter.com/2025/12/18/15-billion-vantage-data-center-breaks-ground-in-port-washington/",
          "publisher": "The Daily Reporter",
          "date": "2025-12-18",
          "source_tier": 4
        },
        {
          "title": "Port Washington data center campus will be $15B hub for OpenAI, Oracle ‘Stargate’ program",
          "url": "https://www.wpr.org/news/port-washington-data-center-campus-openai-oracle-stargate-chatgpt",
          "publisher": "wpr.org",
          "date": "2025-10-24",
          "source_tier": 4
        },
        {
          "title": "Vantage marks start of $15B data center project",
          "url": "https://www.ozaukeepress.com/content/vantage-marks-start-15b-data-center-project",
          "publisher": "Ozaukee Press",
          "date": "2025-12-23",
          "source_tier": 4
        },
        {
          "title": "Neighbors push back on diesel generators planned for Port Washington data center",
          "url": "https://www.tmj4.com/news/local-news/in-your-community/ozaukee-county/neighbors-push-back-on-diesel-generators-planned-for-port-washington-data-center",
          "publisher": "TMJ4 News",
          "date": "2026-05-05",
          "source_tier": 4
        },
        {
          "title": "24 hour construction at the Port Washington data center is set to end; neighbors say new rules aren't enough",
          "url": "https://www.tmj4.com/news/ozaukee-county/24-hour-construction-at-the-port-washington-data-center-is-set-to-end-in-april-neighbors-say-the-new-city-rules-dont-go-far-enough",
          "publisher": "TMJ4 News",
          "date": "2026-03-19",
          "source_tier": 4
        },
        {
          "title": "Controversial $15 billion data center breaks ground in Port Washington",
          "url": "https://www.tmj4.com/news/ozaukee-county/controversial-15-billion-data-center-breaks-ground-in-port-washington",
          "publisher": "TMJ4 News",
          "date": "2025-12-19",
          "source_tier": 4
        },
        {
          "title": "Port Washington AI data center dealt massive blow",
          "url": "https://fox11online.com/news/state/port-washington-ai-data-center-dealt-massive-blow-ozaukee-washington-calumet-fond-du-lac-sheboygan-counties-american-transmission-company-certificate-of-public-convenience-and-necessity-distribution-interconnection-project",
          "publisher": "WLUK",
          "date": "2026-08-06",
          "source_tier": 4
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "under_construction",
          "effective_at": "2026-09-18",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-18",
          "summary": "Ozaukee County Distribution Interconnection Project filed with PSC",
          "source_url": "https://www.wpr.org/news/atc-reapplies-transmission-project-port-washington-data-center",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-17",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-17",
          "summary": "Tom Uttech's property is 52 acres",
          "source_url": "https://www.wjfw.com/news/regional/data-center-transmission-line-plan-moved-off-artists-saukville-property/article_fae5ba76-4a72-5a0c-840e-8092b5facd68.html",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-17",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-17",
          "summary": "American Transmission Co. application removed artist Tom Uttech's property from its proposed routes",
          "source_url": "https://www.wjfw.com/news/regional/data-center-transmission-line-plan-moved-off-artists-saukville-property/article_fae5ba76-4a72-5a0c-840e-8092b5facd68.html",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-17",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-17",
          "summary": "A transmission line to power the Port Washington data center is no longer planned to run through artist Tom Uttech's property",
          "source_url": "https://www.wjfw.com/news/regional/data-center-transmission-line-plan-moved-off-artists-saukville-property/article_fae5ba76-4a72-5a0c-840e-8092b5facd68.html",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-16",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-16",
          "summary": "American Transmission Company refiled a grid upgrade application on Monday, September 16, 2026 for infrastructure to serve the Port Washington data center.",
          "source_url": "https://vernonreporter.com/atc-restarts-push-for-grid-upgrades-serving-port-washington-data-center/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "Companies behind Project Lighthouse held an open house on September 10, 2026",
          "source_url": "https://fox11online.com/news/business/port-washington-data-center-project-lighthouse-construction-open-house-neighbor-concerns-companies-representatives-vantage-oracle-openai",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "An 8 foot berm will be installed at the site",
          "source_url": "https://www.wpr.org/news/community-conversation-data-center-campus-port-washington",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "Over 2,000 trees will be planted at the site",
          "source_url": "https://www.wpr.org/news/community-conversation-data-center-campus-port-washington",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "Campus will use a closed loop cooling system for water",
          "source_url": "https://www.wpr.org/news/community-conversation-data-center-campus-port-washington",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "4,000 construction workers working on the project",
          "source_url": "https://www.wpr.org/news/community-conversation-data-center-campus-port-washington",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "Campus expected to be operational beginning in and around 2028",
          "source_url": "https://www.wpr.org/news/community-conversation-data-center-campus-port-washington",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "Four data centers will be built at the campus",
          "source_url": "https://www.wpr.org/news/community-conversation-data-center-campus-port-washington",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "Project Lighthouse is a four building data center campus",
          "source_url": "https://fox11online.com/news/business/port-washington-data-center-project-lighthouse-construction-open-house-neighbor-concerns-companies-representatives-vantage-oracle-openai",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "Project Lighthouse is expected to open in 2028",
          "source_url": "https://fox11online.com/news/business/port-washington-data-center-project-lighthouse-construction-open-house-neighbor-concerns-companies-representatives-vantage-oracle-openai",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "Vantage Data Centers, Oracle and OpenAI are building a $15 billion data center campus called Lighthouse in Port Washington on 672 acres next to Interstate 43",
          "source_url": "https://urbanmilwaukee.com/2026/09/11/at-port-washington-forum-data-center-developers-face-skeptical-neighbors/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "Four data centers will be built at Lighthouse campus",
          "source_url": "https://urbanmilwaukee.com/2026/09/11/at-port-washington-forum-data-center-developers-face-skeptical-neighbors/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "Campus is expected to be operational beginning in and around 2028",
          "source_url": "https://urbanmilwaukee.com/2026/09/11/at-port-washington-forum-data-center-developers-face-skeptical-neighbors/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "Over 2,000 trees will be planted at the site and an 8 foot berm will be installed",
          "source_url": "https://urbanmilwaukee.com/2026/09/11/at-port-washington-forum-data-center-developers-face-skeptical-neighbors/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "Microsoft recently completed construction of the first of a series of data centers in Racine County in the village of Mount Pleasant",
          "source_url": "https://urbanmilwaukee.com/2026/09/11/at-port-washington-forum-data-center-developers-face-skeptical-neighbors/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "Microsoft has proposed a data center development in Kenosha",
          "source_url": "https://urbanmilwaukee.com/2026/09/11/at-port-washington-forum-data-center-developers-face-skeptical-neighbors/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "Massive data center campus on 672 acres next to Interstate 43, around 30 minutes from Milwaukee",
          "source_url": "https://www.wpr.org/news/community-conversation-data-center-campus-port-washington",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-11",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-11",
          "summary": "Campus is named Lighthouse",
          "source_url": "https://www.wpr.org/news/community-conversation-data-center-campus-port-washington",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-01",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-01",
          "summary": "County Highway LL was fully closed for months for the water and sewer project before being resurfaced",
          "source_url": "https://www.tmj4.com/news/local-news/in-your-community/ozaukee-county/neighbors-react-to-misplaced-fire-hydrant-on-county-highway-ll-in-port-washington",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-09-01",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-01",
          "summary": "Fire hydrants were installed as part of a city infrastructure project to extend water and sewer service to the data center complex",
          "source_url": "https://www.tmj4.com/news/local-news/in-your-community/ozaukee-county/neighbors-react-to-misplaced-fire-hydrant-on-county-highway-ll-in-port-washington",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-08-31",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-31",
          "summary": "Crews are working on widened lanes for trucks and dedicated right turn lanes at the interchange",
          "source_url": "https://www.tmj4.com/news/local-news/in-your-community/ozaukee-county/port-washington-residents-say-new-traffic-signals-at-the-i-43-interchange-construction-are-a-welcome-fix",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-08-31",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-31",
          "summary": "Much of the traffic increase is attributed to data center construction traffic in the area",
          "source_url": "https://www.tmj4.com/news/local-news/in-your-community/ozaukee-county/port-washington-residents-say-new-traffic-signals-at-the-i-43-interchange-construction-are-a-welcome-fix",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-08-31",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-31",
          "summary": "New temporary traffic signals were scheduled to go online Wednesday at the I-43 interchange",
          "source_url": "https://www.tmj4.com/news/local-news/in-your-community/ozaukee-county/port-washington-residents-say-new-traffic-signals-at-the-i-43-interchange-construction-are-a-welcome-fix",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-08-31",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-31",
          "summary": "New traffic signal installed at I-43 interchange near data center construction in Port Washington",
          "source_url": "https://www.yahoo.com/news/videos/port-washington-residents-traffic-signal-215007038.html",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-08-25",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-25",
          "summary": "Cloverleaf Infrastructure donated $100,000 to fund a sculpture at Coal Dock Park in Port Washington",
          "source_url": "https://www.tmj4.com/news/local-news/in-your-community/ozaukee-county/port-washington-neighbors-react-to-new-i-pw-sculpture-funded-by-former-data-center-developer",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-08-25",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-25",
          "summary": "Cloverleaf is reportedly looking to build a new hyperscale data center on the east side of Madison",
          "source_url": "https://civicmedia.us/shows/eco-minute/2026/08/25/port-washington-data-center-piping-plovers",
          "source_tier": 2
        },
        {
          "status": "under_construction",
          "effective_at": "2026-08-25",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-25",
          "summary": "Cloverleaf Infrastructure was the original developer behind the Port Washington hyperscale data center before the project was transferred to Vantage",
          "source_url": "https://www.tmj4.com/news/local-news/in-your-community/ozaukee-county/port-washington-neighbors-react-to-new-i-pw-sculpture-funded-by-former-data-center-developer",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-08-19",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-19",
          "summary": "Vantage is paying for traffic improvements and law enforcement officers for traffic control",
          "source_url": "https://www.ozaukeepress.com/content/port-grapples-%E2%80%98crazy%E2%80%99-data-center-traffic",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-08-19",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-19",
          "summary": "Project is expected to be completed in 2028",
          "source_url": "https://www.ozaukeepress.com/content/port-grapples-%E2%80%98crazy%E2%80%99-data-center-traffic",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-08-19",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-19",
          "summary": "Data center campus broke ground in December 2025",
          "source_url": "https://www.ozaukeepress.com/content/port-grapples-%E2%80%98crazy%E2%80%99-data-center-traffic",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-08-19",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-19",
          "summary": "Traffic lights were to be operational by August 24, 2026",
          "source_url": "https://www.ozaukeepress.com/content/port-grapples-%E2%80%98crazy%E2%80%99-data-center-traffic",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-08-19",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-19",
          "summary": "Temporary traffic lights installed at highways 32 and H at I-43 interchange",
          "source_url": "https://www.ozaukeepress.com/content/port-grapples-%E2%80%98crazy%E2%80%99-data-center-traffic",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-08-07",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-07",
          "summary": "American Transmission Co. hoped to begin construction in December and complete the buildout by the end of 2027.",
          "source_url": "https://www.wpr.org/news/psc-denies-transmission-project-port-washington-data-center",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-08-06",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-06",
          "summary": "Construction continues on Vantage Data Centers' AI data center campus project in Port Washington, Wisconsin as of August 6, 2026",
          "source_url": "https://www.jsonline.com/picture-gallery/news/2026/08/06/port-washington-ai-data-center-construction-continues-as-of-aug-6/91199547007/",
          "source_tier": 4
        },
        {
          "status": "stalled",
          "effective_at": "2026-08-06",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-06",
          "summary": "Public Service Commission of Wisconsin revoked American Transmission Company's completeness determination for the Ozaukee County Distribution Interconnection Project on August 6, 2026",
          "source_url": "https://fox11online.com/news/state/port-washington-ai-data-center-dealt-massive-blow-ozaukee-washington-calumet-fond-du-lac-sheboygan-counties-american-transmission-company-certificate-of-public-convenience-and-necessity-distribution-interconnection-project",
          "source_tier": 4
        },
        {
          "status": "stalled",
          "effective_at": "2026-08-06",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-06",
          "summary": "Public hearings planned for August 18 in Fredonia and August 19 in Kiel on this project are cancelled",
          "source_url": "https://fox11online.com/news/state/port-washington-ai-data-center-dealt-massive-blow-ozaukee-washington-calumet-fond-du-lac-sheboygan-counties-american-transmission-company-certificate-of-public-convenience-and-necessity-distribution-interconnection-project",
          "source_tier": 4
        },
        {
          "status": "stalled",
          "effective_at": "2026-08-06",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-06",
          "summary": "The project impacts parts of Ozaukee and Washington counties as well as Calumet, Fond du Lac and Sheboygan counties",
          "source_url": "https://fox11online.com/news/state/port-washington-ai-data-center-dealt-massive-blow-ozaukee-washington-calumet-fond-du-lac-sheboygan-counties-american-transmission-company-certificate-of-public-convenience-and-necessity-distribution-interconnection-project",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-08-06",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-06",
          "summary": "Aerial drone video shows growth of Port Washington AI campus under construction.",
          "source_url": "https://www.jsonline.com/videos/news/2026/08/06/port-washington-ai-data-center-construction-continues-as-of-aug-6/91200835007/",
          "source_tier": 4
        },
        {
          "status": "stalled",
          "effective_at": "2026-08-06",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-06",
          "summary": "ATC's project includes new power lines, rebuilding existing power lines, building up to five new substations, and maintenance on existing power lines for the Port Washington AI data center",
          "source_url": "https://fox11online.com/news/state/port-washington-ai-data-center-dealt-massive-blow-ozaukee-washington-calumet-fond-du-lac-sheboygan-counties-american-transmission-company-certificate-of-public-convenience-and-necessity-distribution-interconnection-project",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-07-28",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-07-28",
          "summary": "Port Washington campus will have 4 data centers.",
          "source_url": "https://www.youtube.com/watch?v=JAuA8zKgdAs",
          "source_tier": 5
        },
        {
          "status": "under_construction",
          "effective_at": "2026-07-28",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-07-28",
          "summary": "Number of data centers planned for the Port Washington campus is 4.",
          "source_url": "https://www.youtube.com/watch?v=jKqPme-EbTE",
          "source_tier": 5
        },
        {
          "status": "under_construction",
          "effective_at": "2026-07-28",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-07-28",
          "summary": "Port Washington Lighthouse Data Center campus size is 672 acres.",
          "source_url": "https://www.youtube.com/watch?v=jKqPme-EbTE",
          "source_tier": 5
        },
        {
          "status": "under_construction",
          "effective_at": "2026-07-28",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-07-28",
          "summary": "Vantage expects 1,000 employees on site at Port Washington when combined with its customers Oracle and OpenAI.",
          "source_url": "https://www.youtube.com/watch?v=JAuA8zKgdAs",
          "source_tier": 5
        },
        {
          "status": "under_construction",
          "effective_at": "2026-07-28",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-07-28",
          "summary": "Building area of the Port Washington campus is 2.5 million square feet.",
          "source_url": "https://www.youtube.com/watch?v=JAuA8zKgdAs",
          "source_tier": 5
        },
        {
          "status": "under_construction",
          "effective_at": "2026-07-28",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-07-28",
          "summary": "Total building area planned for the Port Washington campus is 2.5 million square feet.",
          "source_url": "https://www.youtube.com/watch?v=jKqPme-EbTE",
          "source_tier": 5
        },
        {
          "status": "under_construction",
          "effective_at": "2026-07-28",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-07-28",
          "summary": "Port Washington water utility installing two new water meters to track data center facility water usage",
          "source_url": "https://www.tmj4.com/news/local-news/residents-demand-transparency-on-port-washingtons-15b-ai-data-centers-water-and-environmental-impact",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-07-28",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-07-28",
          "summary": "Port Washington campus is 672 acres.",
          "source_url": "https://www.youtube.com/watch?v=JAuA8zKgdAs",
          "source_tier": 5
        },
        {
          "status": "under_construction",
          "effective_at": "2026-07-27",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-07-27",
          "summary": "Port Washington facility called Lighthouse",
          "source_url": "https://www.tmj4.com/news/local-news/tmj4-gets-rare-look-inside-a-vantage-data-center-amid-debate-over-15-billion-wisconsin-project",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-07-27",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-07-27",
          "summary": "Second building on campus recently topped out",
          "source_url": "https://www.tmj4.com/news/local-news/tmj4-gets-rare-look-inside-a-vantage-data-center-amid-debate-over-15-billion-wisconsin-project",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-07-23",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-07-23",
          "summary": "Public Service Commission of Wisconsin released final environmental impact statement for Port Washington data center transmission lines",
          "source_url": "https://www.gmtoday.com/news_graphic/news/wisconsin-port-washington-data-center-transmission/article_8bfc387f-e607-4fb2-a2e7-4e7e962725b9.html",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-07-10",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-07-10",
          "summary": "The DNR issued permits for the project on June 12",
          "source_url": "https://www.wpr.org/news/lawsuit-wisconsin-dnr-environmental-review-port-washington-data-centers",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-07-10",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-07-10",
          "summary": "DNR determined it satisfied environmental obligations on December 9 for the Vantage project",
          "source_url": "https://biztimes.com/sierra-club-sues-dnr-over-port-washington-data-center-project-permitting/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-07-01",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-07-01",
          "summary": "Topping out ceremony held June 26, 2026 for second of four data center buildings",
          "source_url": "https://ozaukeepress.com/content/another-data-center-tops-out-0",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-06-26",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-06-26",
          "summary": "Vantage topped out second building at Lighthouse campus in Port Washington on June 26, 2026",
          "source_url": "https://www.datacenterdynamics.com/en/news/vantage-tops-out-second-building-at-openais-lighthouse-campus-in-wisconsin/",
          "source_tier": 3
        },
        {
          "status": "under_construction",
          "effective_at": "2026-06-15",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-06-15",
          "summary": "Vantage Data Centers is operating a massive Port Washington project",
          "source_url": "https://www.bizjournals.com/milwaukee/news/2026/06/15/vantage-data-centers-tour.html",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-05-20",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-05-20",
          "summary": "The air permit is for 45 generators at the Vantage Lighthouse Campus",
          "source_url": "https://spectrumnews1.com/wi/milwaukee/news/2026/05/19/health-impacts-data-centers-",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-05-05",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-05-05",
          "summary": "Vantage applied for and received preliminary approval to install up to 45 diesel generators",
          "source_url": "https://www.tmj4.com/news/local-news/in-your-community/ozaukee-county/neighbors-push-back-on-diesel-generators-planned-for-port-washington-data-center",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-04-22",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-04-22",
          "summary": "$15 billion Port Washington data center project under construction",
          "source_url": "https://www.jsonline.com/videos/news/2026/04/22/work-progresses-on-8b-port-washington-data-center/89734346007/",
          "source_tier": 4
        },
        {
          "status": "rumored",
          "effective_at": "2026-04-16",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-04-16",
          "summary": "Construction on the site began in December after DNR permitting was completed",
          "source_url": "https://www.youtube.com/watch?v=ahhA652jiAE",
          "source_tier": 5
        },
        {
          "status": "under_construction",
          "effective_at": "2026-04-15",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-04-15",
          "summary": "Construction of roughly 670 acre campus slated to wrap up in 2028",
          "source_url": "https://www.wpr.org/news/port-washington-residents-urge-dnr-to-deny-air-quality-permits-for-data-center",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-04-15",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-04-15",
          "summary": "Vantage applying for permits to use 45 diesel fired generators for backup power",
          "source_url": "https://www.wpr.org/news/port-washington-residents-urge-dnr-to-deny-air-quality-permits-for-data-center",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-04-08",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-04-08",
          "summary": "About 1,000 workers are on site each day, with the workforce expected to swell to about 5,000 at peak construction",
          "source_url": "https://www.ozaukeepress.com/content/hyperscale-construction-project",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-04-08",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-04-08",
          "summary": "Vantage is building the data center to LEED standards with a goal of 41% biodiversity net gain",
          "source_url": "https://www.ozaukeepress.com/content/hyperscale-construction-project",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-04-08",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-04-08",
          "summary": "The project is targeted for completion in 2028",
          "source_url": "https://www.ozaukeepress.com/content/hyperscale-construction-project",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-04-08",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-04-08",
          "summary": "Vantage is contributing $3 million to the Valley Creek project intended to improve water quality and reduce downstream flooding",
          "source_url": "https://www.ozaukeepress.com/content/hyperscale-construction-project",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-04-08",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-04-08",
          "summary": "Vantage is laying 48.3 miles of water lines at the site with a closed loop system using less water than Port Washington public schools",
          "source_url": "https://www.ozaukeepress.com/content/hyperscale-construction-project",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-04-08",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-04-08",
          "summary": "The buildings should be weather tight by the end of 2026",
          "source_url": "https://www.ozaukeepress.com/content/hyperscale-construction-project",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-04-08",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-04-08",
          "summary": "Buildings are being constructed sequentially with work on each structure starting 30 to 45 days after the last",
          "source_url": "https://www.ozaukeepress.com/content/hyperscale-construction-project",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-04-08",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-04-08",
          "summary": "The campus will have four data center buildings, two measuring about 1,800 by 400 feet (560,000 and 725,000 square feet respectively), about 27 feet tall",
          "source_url": "https://www.ozaukeepress.com/content/hyperscale-construction-project",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-04-08",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-04-08",
          "summary": "Vantage Data Centers Lighthouse Campus is a 675 acre data center project in Port Washington",
          "source_url": "https://www.ozaukeepress.com/content/hyperscale-construction-project",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-03-20",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-03-20",
          "summary": "New construction hour restrictions take effect April 18, 2026",
          "source_url": "https://www.wpr.org/news/port-washington-limits-construction-hours-data-center-project-after-complaints",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-03-20",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-03-20",
          "summary": "Construction was previously allowed 24 hours a day during weekdays",
          "source_url": "https://www.wpr.org/news/port-washington-limits-construction-hours-data-center-project-after-complaints",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-03-19",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-03-19",
          "summary": "Rules do not go into effect until April 18",
          "source_url": "https://www.tmj4.com/news/ozaukee-county/24-hour-construction-at-the-port-washington-data-center-is-set-to-end-in-april-neighbors-say-the-new-city-rules-dont-go-far-enough",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-03-13",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-03-13",
          "summary": "Construction on the Vantage Data Centers Lighthouse Campus was originally limited to a 12 hour period but the city later approved 24 hour construction on weekdays.",
          "source_url": "https://www.wpr.org/news/frustration-grows-over-24-hour-data-center-construction-port-washington",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-02-25",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-02-25",
          "summary": "The data center campus in Port Washington has been under construction for over two months",
          "source_url": "https://www.youtube.com/watch?v=u383Ay2XQ1M",
          "source_tier": 5
        },
        {
          "status": "under_construction",
          "effective_at": "2026-02-04",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-02-04",
          "summary": "Motion hearing scheduled for February 13, 2026",
          "source_url": "https://www.wpr.org/news/business-groups-sue-port-washington-tids-development-incentives",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-01-20",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-01-20",
          "summary": "Vantage Data Centers Lighthouse Campus under construction in Port Washington",
          "source_url": "https://www.jsonline.com/videos/news/2026/01/20/drone-view-of-the-data-center-under-construction-in-port-washington/88272261007/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2026-01-09",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-01-09",
          "summary": "Vantage Data Centers is planting over 2,000 native trees throughout the project site.",
          "source_url": "https://www.youtube.com/watch?v=qopVu12VS0g",
          "source_tier": 5
        },
        {
          "status": "under_construction",
          "effective_at": "2026-01-09",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-01-09",
          "summary": "Vantage Data Centers is preserving over 150 acres of land that will be restored to a native Wisconsin landscape.",
          "source_url": "https://www.youtube.com/watch?v=qopVu12VS0g",
          "source_tier": 5
        },
        {
          "status": "under_construction",
          "effective_at": "2025-12-23",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-12-23",
          "summary": "Vantage Data Centers Lighthouse Campus groundbreaking held December 17, 2025",
          "source_url": "https://www.ozaukeepress.com/content/vantage-marks-start-15b-data-center-project",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2025-12-19",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-12-19",
          "summary": "Vantage Data Centers building for Oracle and OpenAI",
          "source_url": "https://www.tmj4.com/news/ozaukee-county/controversial-15-billion-data-center-breaks-ground-in-port-washington",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2025-12-19",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-12-19",
          "summary": "Ceremonial groundbreaking held December 19, 2025",
          "source_url": "https://www.tmj4.com/news/ozaukee-county/controversial-15-billion-data-center-breaks-ground-in-port-washington",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2025-12-18",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-12-18",
          "summary": "The project is expected to create more than 4,000 construction jobs",
          "source_url": "https://dailyreporter.com/2025/12/18/15-billion-vantage-data-center-breaks-ground-in-port-washington/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2025-12-18",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-12-18",
          "summary": "The project is part of OpenAI and Oracle's $500 billion Stargate AI data center initiative",
          "source_url": "https://dailyreporter.com/2025/12/18/15-billion-vantage-data-center-breaks-ground-in-port-washington/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2025-12-18",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-12-18",
          "summary": "The project is expected to create 1,000 permanent jobs",
          "source_url": "https://dailyreporter.com/2025/12/18/15-billion-vantage-data-center-breaks-ground-in-port-washington/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2025-12-18",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-12-18",
          "summary": "The project is expected to be completed in 2028",
          "source_url": "https://dailyreporter.com/2025/12/18/15-billion-vantage-data-center-breaks-ground-in-port-washington/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2025-12-18",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-12-18",
          "summary": "The data center campus has 902 megawatts of capacity",
          "source_url": "https://dailyreporter.com/2025/12/18/15-billion-vantage-data-center-breaks-ground-in-port-washington/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2025-12-18",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-12-18",
          "summary": "The data center campus includes four buildings totaling 2.5 million square feet",
          "source_url": "https://dailyreporter.com/2025/12/18/15-billion-vantage-data-center-breaks-ground-in-port-washington/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2025-12-18",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-12-18",
          "summary": "The data center campus is 672 acres",
          "source_url": "https://dailyreporter.com/2025/12/18/15-billion-vantage-data-center-breaks-ground-in-port-washington/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2025-12-18",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-12-18",
          "summary": "Vantage Data Centers broke ground on a $15 billion data center campus in Port Washington on December 18, 2025",
          "source_url": "https://dailyreporter.com/2025/12/18/15-billion-vantage-data-center-breaks-ground-in-port-washington/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2025-12-17",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-12-17",
          "summary": "End users are OpenAI and Oracle",
          "source_url": "https://biztimes.com/groundbreaking-held-as-construction-begins-on-15b-port-washington-data-center/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2025-12-17",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-12-17",
          "summary": "Developer is Vantage Data Centers",
          "source_url": "https://biztimes.com/groundbreaking-held-as-construction-begins-on-15b-port-washington-data-center/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2025-12-17",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-12-17",
          "summary": "Groundbreaking held December 17, 2025, with construction beginning on 672 acre site",
          "source_url": "https://biztimes.com/groundbreaking-held-as-construction-begins-on-15b-port-washington-data-center/",
          "source_tier": 4
        },
        {
          "status": "under_construction",
          "effective_at": "2025-11-05",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-11-05",
          "summary": "TID would remain open for up to 20 years or until Vantage is reimbursed for all costs",
          "source_url": "https://www.wpr.org/news/port-washington-council-approves-tid",
          "source_tier": 4
        },
        {
          "status": "approved",
          "effective_at": "2025-10-24",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-10-24",
          "summary": "The data center buildings will use a closed loop liquid cooling system",
          "source_url": "https://www.wpr.org/news/port-washington-data-center-campus-openai-oracle-stargate-chatgpt",
          "source_tier": 4
        },
        {
          "status": "approved",
          "effective_at": "2025-10-24",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-10-24",
          "summary": "Vantage Data Centers is underwriting 100 percent of the power infrastructure investment with a dedicated electricity rate from WEC Energy Group utility We Energies",
          "source_url": "https://www.wpr.org/news/port-washington-data-center-campus-openai-oracle-stargate-chatgpt",
          "source_tier": 4
        },
        {
          "status": "approved",
          "effective_at": "2025-10-24",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-10-24",
          "summary": "Vantage said the data center campus will preserve 172 acres to support biodiversity and provide natural sound mitigation",
          "source_url": "https://www.wpr.org/news/port-washington-data-center-campus-openai-oracle-stargate-chatgpt",
          "source_tier": 4
        },
        {
          "status": "approved",
          "effective_at": "2025-10-24",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-10-24",
          "summary": "Vantage Data Centers will have around 330 employees at the Lighthouse campus",
          "source_url": "https://www.wpr.org/news/port-washington-data-center-campus-openai-oracle-stargate-chatgpt",
          "source_tier": 4
        },
        {
          "status": "approved",
          "effective_at": "2025-10-24",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-10-24",
          "summary": "OpenAI and Oracle will have around 700 jobs at the Lighthouse campus after construction",
          "source_url": "https://www.wpr.org/news/port-washington-data-center-campus-openai-oracle-stargate-chatgpt",
          "source_tier": 4
        },
        {
          "status": "approved",
          "effective_at": "2025-10-24",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-10-24",
          "summary": "The data center campus could create more than 4,000 construction jobs",
          "source_url": "https://www.wpr.org/news/port-washington-data-center-campus-openai-oracle-stargate-chatgpt",
          "source_tier": 4
        },
        {
          "status": "approved",
          "effective_at": "2025-10-24",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-10-24",
          "summary": "The four data center buildings are expected to need 1.3 gigawatts of electricity",
          "source_url": "https://www.wpr.org/news/port-washington-data-center-campus-openai-oracle-stargate-chatgpt",
          "source_tier": 4
        },
        {
          "status": "approved",
          "effective_at": "2025-10-24",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-10-24",
          "summary": "The Lighthouse campus includes four data center buildings",
          "source_url": "https://www.wpr.org/news/port-washington-data-center-campus-openai-oracle-stargate-chatgpt",
          "source_tier": 4
        },
        {
          "status": "approved",
          "effective_at": "2025-10-24",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-10-24",
          "summary": "The Lighthouse campus is part of OpenAI and Oracle's $500 billion Stargate program",
          "source_url": "https://www.wpr.org/news/port-washington-data-center-campus-openai-oracle-stargate-chatgpt",
          "source_tier": 4
        },
        {
          "status": "approved",
          "effective_at": "2025-10-24",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-10-24",
          "summary": "Vantage Data Centers, OpenAI, and Oracle plan to invest more than $15 billion at a Port Washington data center campus",
          "source_url": "https://www.wpr.org/news/port-washington-data-center-campus-openai-oracle-stargate-chatgpt",
          "source_tier": 4
        },
        {
          "status": "approved",
          "effective_at": "2025-10-24",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-10-24",
          "summary": "The Port Washington data center campus is named Lighthouse",
          "source_url": "https://www.wpr.org/news/port-washington-data-center-campus-openai-oracle-stargate-chatgpt",
          "source_tier": 4
        },
        {
          "status": "approved",
          "effective_at": "2025-10-24",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-10-24",
          "summary": "The Lighthouse campus is roughly 670 acres",
          "source_url": "https://www.wpr.org/news/port-washington-data-center-campus-openai-oracle-stargate-chatgpt",
          "source_tier": 4
        },
        {
          "status": "approved",
          "effective_at": "2025-10-24",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-10-24",
          "summary": "A $1.4 billion transmission line project from American Transmission Co. is proposed to support the Lighthouse campus",
          "source_url": "https://www.wpr.org/news/port-washington-data-center-campus-openai-oracle-stargate-chatgpt",
          "source_tier": 4
        },
        {
          "status": "approved",
          "effective_at": "2025-10-24",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2025-10-24",
          "summary": "The Port Washington Common Council approved the development agreement for the project in August",
          "source_url": "https://www.wpr.org/news/port-washington-data-center-campus-openai-oracle-stargate-chatgpt",
          "source_tier": 4
        }
      ]
    }
  ]
}