Latest updates · 3 dated events · log last updated 21 September 2026

Washington data center updates

Dated facility and project events and DataCenterData evidence updates for Washington. Not a complete record of activity in Washington.

Three different things, kept apart. Facility and project events happened in the world on the date the source gives. Evidence updates are DataCenterData publishing records; they are not events at a facility. Corrections to what DataCenterData published live in the corrections history, the corrections authority.

Facility and project events

  1. Application deemed completeOfficial recordWashington

    Application deemed complete on 24 August 2026: Amazon Attalia Data Center Campus (WA) — county determination of completeness dated 24 August 2026

    Walla Walla County Community Development Department determined on August 24, 2026 that the Site Development Permit and SEPA applications (SDP26-01, SEPA26-05) filed by Amazon Data Services, Inc. were complete for review; the applications concern the Amazon Attalia Data Center Campus, and the county stated that no final decision had been made.

    Event date
    Source dated
    Added to Latest updates

    Record: Amazon Attalia Data Center CampusSource: Determination of Completeness — SDP26-01, SEPA26-05

  2. Permit issuedOfficial recordWashington

    Washington Ecology permit 26AQ-E016 issued on 6 April 2026: Intergate Quincy — Sabey Data Center Properties (Quincy, WA) — approval order adding 13 emergency generators for Building E

    Washington Ecology issued Notice of Construction Approval Order 26AQ-E016 on April 6, 2026 to Intergate Quincy – Sabey Data Center Properties, approving 13 additional emergency generators for Building E at the existing data center at 2200 M Street NE, Quincy.

    Event date
    Source dated
    Added to Latest updates

    Record: Intergate Quincy — Sabey Data Center PropertiesSource: Notice of Construction Approval Order No. 26AQ-E016 and Technical Support Document — Intergate Quincy – Sabey Data Center PropertiesArchived copy

  3. Permit issuedOfficial recordWashington

    Washington Ecology permit 26AQ-E008 issued on 22 January 2026: CyrusOne — Quincy Data Center (Quincy, WA) — revised approval order cutting permitted emergency generators from 42 to 22

    Washington Ecology issued Notice of Construction Approval Order 26AQ-E008 on January 22, 2026 to CyrusOne LLC for its existing Quincy data center at 1025 D Street NW, reducing the facility's permitted emergency generators from 42 to 22 and revising the permit's conditions.

    Event date
    Source dated
    Added to Latest updates

    Record: CyrusOne — Quincy Data CenterSource: Notice of Construction Approval Order No. 26AQ-E008, Technical Support Document and Response to Comments — CyrusOne QuincyArchived copy

Evidence updates

  1. Evidence updateDataCenterData publicationWashington

    Evidence record published: CyrusOne — Quincy Data Center (Quincy, WA)

    Published on DataCenterData

  2. Evidence updateDataCenterData publicationWashington

    Evidence record published: Vantage Data Centers — Quincy Campus (Quincy, WA)

    Published on DataCenterData

  3. Evidence updateDataCenterData publicationWashington

    Evidence record published: H5 Data Centers — Quincy (Quincy, WA)

    Published on DataCenterData

All latest updates →

How to read the dates
Event date
When the permit, filing, approval or other event happened, as the source states it. A month or year is shown when the source gives no day.
Source dated
The date printed on the source document (minutes, order, permit record or company statement). It can be later than the event.
Source accessed
When DataCenterData retrieved the source. Shown on each event page.
Added to Latest updates
When the entry entered this updates log. It is a publishing date, not an event date. An event may already have appeared elsewhere on DataCenterData, for example in the corrections history.