--- title: "Stargate Port Washington / Lighthouse (Vantage Data Centers; Oracle; OpenAI), Port Washington, Wisconsin, US — campus ledger — The AI Compute Race — DRYBURGH · The Compute Economy" source: https://dryburgh.com/vol1/ledger/stargate-port-washington-lighthouse description: "Stargate Port Washington / Lighthouse: not yet due. 0 MW evidenced of 902 MW announced or estimated, end of August 2026 reading; operations promised by 31…" --- # Stargate Port Washington / Lighthouse (Vantage Data Centers; Oracle; OpenAI), Port Washington, Wisconsin, US Vantage Data Centers; Oracle; OpenAI Stargate Port Washington / Lighthouse (Vantage Data Centers, Oracle and OpenAI; Port Washington, Wisconsin, US) was promised operations by 31 December 2028; at the end-of-August 2026 reading the public record evidences 0 MW of IT load against 902 MW announced or estimated. The book’s verdict: not yet due. From *The AI Compute Race*. [Read the book](https://dryburgh.com/vol1#buy) Download this campus: [CSV](https://dryburgh.com/vol1/data/ledger-stargate-port-washington-lighthouse.csv) · [JSON](https://dryburgh.com/vol1/data/ledger-stargate-port-washington-lighthouse.json) Announced or estimated (IT load) 902 MW Evidenced power (IT load), end of August 2026 0 MW The book’s verdict Not yet due The ledger’s reading is the end of August 2026: the promises and the states as they stood then. Each row’s evidence carries its own date, printed on it. The promise and the record, on one line. The book’s verdict: **Not yet due**. - Evidence read 29 August 2026 - Today Nov 2026 - Promised 31 December 2028 **0 MW** evidenced at the end-of-August 2026 reading, of 902 MW announced or estimated (0%). ## The announcement **Announced or estimated capacity (IT load):** 902 MW **Where the announcement was read:** [epoch.ai](https://epoch.ai/data/ai-data-centers/directory/openai-stargate-wisconsin) **When it was read:** 28 August 2026 ## The promise **Promised by:** 31 December 2028 **What was promised:** operations **Where the promise was read:** [vantage-dc.com](https://vantage-dc.com/news/openai-oracle-and-vantage-data-centers-announce-stargate-data-center-site-in-wisconsin/) ## At the close of the record **Evidenced power (IT load), end of August 2026:** 0 MW **Where the evidence was read:** not on file **When it was read:** 29 August 2026 **The book’s verdict:** Not yet due ## The book’s note Completion scheduled for 2028 (August 2026 compilation’s table of promised dates row 39; the August 2026 compilation beside Vantage’s announcement). 902 MW is Epoch’s estimate. The August 2026 compilation records 0 publicly verified and names no source for the zero. ## Also **Who is involved:** - developer [Vantage Data Centers](https://dryburgh.com/vol1/parties/vantage-data-centers) - operator [Oracle](https://dryburgh.com/vol1/parties/oracle) - tenant [OpenAI](https://dryburgh.com/vol1/parties/openai) ## Filings that bear on it - [American Transmission Company LLC and ATC Management Inc., “Application for PSCW Certificate of Public Convenience and Necessity and WDNR Utility Permit, Ozaukee County Distribution Interconnection Project,” Public Service Commission of Wisconsin, Docket No. 137-CE-229, PSC REF 610442, with the cover letter dated 14 September 2026, PSC REF 610441, and the Commission’s docket opening memorandum of 24 September 2026, PSC REF 612628](https://dryburgh.com/vol1/filings/atc-lighthouse-cpcn-sep26) American Transmission Company reapplied on 14 September 2026 for Wisconsin’s approval to build lines and substations serving Oracle’s cloud subsidiary at the Lighthouse data center in Port Washington, a request for “the full 1.3 GW of load” uninterrupted. - [Joint Petition for Reopening or Rehearing, in the Application of Wisconsin Electric Power Company for Approval of its Very Large Customer and Bespoke Resources Tariffs, Public Service Commission of Wisconsin docket 6630-TE-113, received 10 June 2026](https://dryburgh.com/vol1/filings/psc-wi-oracle-petition-jun26) Wisconsin Electric and two developers asked Wisconsin’s regulator on 10 June 2026 to reopen its very large customer tariff case, saying Oracle, rated BBB, fails its net worth and liquidity tests, and proposing lighter security below A-. ## Campuses near it in the ledger - [Fairwater Wisconsin](https://dryburgh.com/vol1/ledger/fairwater-wisconsin) Wisconsin, US - [Stargate Shackelford / Frontier](https://dryburgh.com/vol1/ledger/stargate-shackelford-frontier) shares 3 parties - [Stargate Doña Ana / Project Jupiter](https://dryburgh.com/vol1/ledger/stargate-dona-ana-project-jupiter) shares 2 parties - [Stargate UAE](https://dryburgh.com/vol1/ledger/stargate-uae) shares 2 parties - [Stargate Michigan / The Barn](https://dryburgh.com/vol1/ledger/stargate-michigan-the-barn) shares 2 parties - [Stargate Abilene](https://dryburgh.com/vol1/ledger/stargate-abilene) shares 2 parties ## Questions about this campus **Is Stargate Port Washington / Lighthouse energized?:** Stargate Port Washington / Lighthouse (Vantage Data Centers, Oracle and OpenAI; Port Washington, Wisconsin, US) was promised operations by 31 December 2028; at the end-of-August 2026 reading the public record evidences 0 MW of IT load against 902 MW announced or estimated. The book’s verdict: not yet due. **When was Stargate Port Washington / Lighthouse promised to be energized?:** Stargate Port Washington / Lighthouse was promised operations by 31 December 2028. **Who is building Stargate Port Washington / Lighthouse?:** Vantage Data Centers (developer), Oracle (operator), OpenAI (tenant). - [Tests](https://dryburgh.com/vol1/tests) - [Scorecard](https://dryburgh.com/vol1/scorecard) - [Data](https://dryburgh.com/vol1/data/releases) - [Chapter by chapter](https://dryburgh.com/vol1/companion) - [The record at a glance](https://dryburgh.com/vol1/observatory) - [The machine](https://dryburgh.com/vol1/machine) - [One campus, four futures](https://dryburgh.com/vol1/hyperion) - [Glossary](https://dryburgh.com/vol1/glossary) - [People](https://dryburgh.com/vol1/people) - [Sources](https://dryburgh.com/vol1/sources) - [Notes](https://dryburgh.com/vol1/notes) - [Where the book was wrong](https://dryburgh.com/vol1/corrections) - [Where its sources were wrong](https://dryburgh.com/corrections?book=vol1) - [The Paper](https://dryburgh.com/vol1/paper) - [Consent](https://dryburgh.com/vol1/consent) - [Who builds and pays](https://dryburgh.com/vol1/parties) *The AI Compute Race: Five Races, One Machine* is a book by Lee S. Dryburgh, the first volume of THE COMPUTE ECONOMY, published by Dryburgh, an imprint of Contestra OÜ, Tallinn, Estonia; its record closes on 8 November 2026. [About the book](https://dryburgh.com/vol1)[Tell me when it is out](https://dryburgh.com/vol1#notify)