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STACK Loudoun County Arcola Data Center Campus

PRJ-0898 · Site · Ashburn, Virginia, United States

Record last updated Oct 28, 2026

Scope and capacity

STACK Loudoun County Arcola Data Center Campus, also known as STACK Loudoun County 144MW Campus, is a data center project in Ashburn, VA, US developed and operated by STACK Infrastructure. Greater Ashburn campus planned as two 72 MW, two-story data center buildings totaling 144 MW. Closed-loop water cooling and flexible deployment models designed for AI, machine-learning and cloud workloads. STACK now markets the same Arcola/Loudoun campus at 200 MW across two two-story facilities, superseding the 144 MW announcement. It remains future capacity, not operating IT.

Headline: 144 MW Planned critical IT

Numbers refer to their stated physical boundaries and are not added together. Source dates, claim dates and record updates have different meanings. Missing dates and locators are not inferred.

Location context · STACK Loudoun County 144MW Campus | Ashburn | VA | US

Actual · STACK Loudoun County Arcola Data Center Campus (Project)

Claim 64164 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. STACK expands Loudoun County footprint with 144MW hyperscale campus

    STACK Infrastructure · Document date: Feb 11, 2025 · Primary

    Source reference: SRC-3599 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.stackinfra.com/about/news-press/press-releases/stack-infrastructure-expands-loudoun-county-footprint-with-144mw-hyperscale-campus/

Lifecycle status · Preconstruction

Actual · STACK Loudoun County Arcola Data Center Campus (Project)

Claim 64165 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. STACK expands Loudoun County footprint with 144MW hyperscale campus

    STACK Infrastructure · Document date: Feb 11, 2025 · Primary

    Source reference: SRC-3599 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.stackinfra.com/about/news-press/press-releases/stack-infrastructure-expands-loudoun-county-footprint-with-144mw-hyperscale-campus/

Reported capacity · 144 MW

Design · STACK Loudoun County Arcola Data Center Campus (Project)

Claim 64166 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

Headline treatment: Selected headline

  1. STACK expands Loudoun County footprint with 144MW hyperscale campus

    STACK Infrastructure · Document date: Feb 11, 2025 · Primary

    Source reference: SRC-3599 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.stackinfra.com/about/news-press/press-releases/stack-infrastructure-expands-loudoun-county-footprint-with-144mw-hyperscale-campus/

Capacity basis · STACK Infrastructure publishes 144 MW of critical IT capacity for this record boundary.

Actual · STACK Loudoun County Arcola Data Center Campus (Project)

Claim 64167 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. STACK expands Loudoun County footprint with 144MW hyperscale campus

    STACK Infrastructure · Document date: Feb 11, 2025 · Primary

    Source reference: SRC-3599 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.stackinfra.com/about/news-press/press-releases/stack-infrastructure-expands-loudoun-county-footprint-with-144mw-hyperscale-campus/

Location context · STACK Loudoun County 144MW Campus | Ashburn | VA | US

Actual · STACK Loudoun County Arcola Data Center Campus (Project)

Claim 93316 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. STACK expands Loudoun County footprint with 144MW hyperscale campus

    STACK Infrastructure · Document date: Feb 11, 2025 · Primary

    Source reference: SRC-3599 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.stackinfra.com/about/news-press/press-releases/stack-infrastructure-expands-loudoun-county-footprint-with-144mw-hyperscale-campus/

Lifecycle status · Preconstruction

Actual · STACK Loudoun County Arcola Data Center Campus (Project)

Claim 93317 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. STACK expands Loudoun County footprint with 144MW hyperscale campus

    STACK Infrastructure · Document date: Feb 11, 2025 · Primary

    Source reference: SRC-3599 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.stackinfra.com/about/news-press/press-releases/stack-infrastructure-expands-loudoun-county-footprint-with-144mw-hyperscale-campus/

Reported capacity · 200 MW

Planned / design or future potential · STACK Loudoun County Arcola Data Center Campus (Project)

Claim 93318 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

Headline treatment: Separate claim, not added to the headline

  1. STACK expands Loudoun County footprint with 144MW hyperscale campus

    STACK Infrastructure · Document date: Feb 11, 2025 · Primary

    Source reference: SRC-3599 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.stackinfra.com/about/news-press/press-releases/stack-infrastructure-expands-loudoun-county-footprint-with-144mw-hyperscale-campus/

Capacity basis · STACK now markets the same Arcola/Loudoun campus at 200 MW across two two story facilities, superseding the 144 MW announcement. It remains future capacity, not operating IT.

Actual · STACK Loudoun County Arcola Data Center Campus (Project)

Claim 93319 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. STACK expands Loudoun County footprint with 144MW hyperscale campus

    STACK Infrastructure · Document date: Feb 11, 2025 · Primary

    Source reference: SRC-3599 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.stackinfra.com/about/news-press/press-releases/stack-infrastructure-expands-loudoun-county-footprint-with-144mw-hyperscale-campus/

Site area · 122 acres

Design · STACK Loudoun County Arcola Data Center Campus (Project)

Claim 93320 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

  1. STACK expands Loudoun County footprint with 144MW hyperscale campus

    STACK Infrastructure · Document date: Feb 11, 2025 · Primary

    Source reference: SRC-3599 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.stackinfra.com/about/news-press/press-releases/stack-infrastructure-expands-loudoun-county-footprint-with-144mw-hyperscale-campus/

Building count · 2 facilities

Design · STACK Loudoun County Arcola Data Center Campus (Project)

Claim 93321 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

  1. STACK Americas current portfolio

    STACK Infrastructure · Document date: Aug 29, 2026 · Primary

    Source reference: SRC-5164 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.stackinfra.com/locations/americas/

Building form · Two story

Design · STACK Loudoun County Arcola Data Center Campus (Project)

Claim 93324 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

  1. STACK Americas current portfolio

    STACK Infrastructure · Document date: Aug 29, 2026 · Primary

    Source reference: SRC-5164 · Fact sheet · Recorded authority: Official primary

    Source URL

    https://www.stackinfra.com/locations/americas/

Counterparties and capital

STACK Infrastructure · Developer · CMP-0102

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