πŸ“£ Report Something
USA β€Ί Virginia β€Ί Loudoun County β€Ί Unincorporated Loudoun County

11 data center projects in Unincorporated Loudoun County

Who decides here: the Loudoun County Board of Supervisors decides on zoning for land outside city and town limits.

In Unincorporated Loudoun County

Proposed

Amazon Bridgefield Tech Center (former GW Virginia campus, Ashburn)

Loudoun County, Loudoun County

122 acres Β· for Amazon Web Services

πŸ•’ July 28, 2026: Amazon filed a first plan for four data center buildings (805,092 square feet).

Proposed

B.F. Saul data centers on Shaw Road (Sterling)

Loudoun County, Loudoun County

37.24 acres

πŸ•’ Sept 2026: Loudoun Planning Commission voted against the rezoning.

Proposed

Cochran Tech data center (Cochran Mill Road, near Leesburg)

Loudoun County, Loudoun County

πŸ•’ May 5, 2026: Board voted 6-1-1 to reconsider and send the plan back to the Planning Commission.

Proposed

Prologis Concorde Industrial Park data center conversion (Sterling)

Loudoun County, Loudoun County

17 acres

πŸ•’ Feb 11, 2026: Board of Supervisors held its review of the rezoning.

Approved, not built yet

Cross Mill Center data center (near Leesburg Executive Airport)

Loudoun County, Loudoun County

22 acres

πŸ•’ July 15, 2025: Board of Supervisors approved the rezoning 5-4.

Approved, not built yet

Greenlin Park data center campus (Dulles Greenway, south of Leesburg)

Loudoun County, Loudoun County

83 acres

πŸ•’ Feb 19, 2025: Board of Supervisors approved the rezoning.

Proposed

Quantum Park data centers (Ashburn)

Loudoun County, Loudoun County

40 acres

πŸ•’ April 15, 2026: Supervisors moved the plan to a May 19 vote; several said they would vote no.

Approved, not built yet

Belmont Innovation Campus (Belmont Ridge Road)

Loudoun County, Loudoun County

112 acres

πŸ•’ April 10, 2024: Board approved a 1.3 million-square-foot version, 6-3.

Proposed

Active Infrastructure campus on Evergreen Mills Road

Loudoun County, Loudoun County

325 acres

πŸ•’ July 23, 2026: Planning Commission held a hearing and voted against the rezoning.

Proposed

STACK Infrastructure 144 MW Loudoun campus

Loudoun County, Loudoun County

πŸ•’ Feb 11, 2025: STACK announced the 144 MW campus.

Reported in the news, not confirmed yet

Being built

EdgeCore AS01 and AS02 data centers (Sterling)

Loudoun County, Loudoun County

πŸ•’ April 2026: EdgeCore secured $1.5 billion in loans to build AS01 and AS02.

Reported in the news, not confirmed yet

Nearby (within 15 miles)

Local votes and rules

πŸ“Œ Other

Supervisors voted unanimously to ask staff for a legal analysis of ending the 2025 grandfathering rule, due at the October 6, 2026 board meeting. Until the board acts, the rule stays in effect.

Sept 2, 2026Source

⏸️ Pause on new data centers

Supervisors voted 7-1 to pause new data center applications for 12 months while the county rewrites its data center rules. The county attorney had warned that true moratoria are rarely allowed in Virginia.

Sept 2026Source

πŸ—ΊοΈ Zoning change

Supervisors voted 7-2 to end by-right data centers. New data centers now need a 'special exception', with public hearings before the planning commission and the board.

March 18, 2025Source

πŸ“Œ Other

On the same night, supervisors voted 5-4 to 'grandfather' data center applications already in review, so they can still be approved by staff without a public hearing. In September 2026, 17 such applications (about 11 million square feet) were still in review.

March 18, 2025Source

βœ… Approved

Supervisors voted 5-4 to rezone 83 acres south of Leesburg along the Dulles Greenway for JK Land Holdings' Greenlin Park: up to 1.4 million square feet of data centers with a 55-foot height limit, noise limits and a 300-megawatt power cap for five years.

Feb 19, 2025Source
Built & runningBeing builtApproved, not built yetProposedStopped or cancelled

What you can do

  1. Get told first.
    We'll email you if anything changes in Unincorporated Loudoun County.
  2. Go to county meetings.
    Anyone can speak. Big projects usually need a public hearing.
  3. Ask questions in writing.
    Use our checklist.
πŸ“£ Report something here

πŸ”” Get told first

We'll email you when something changes in Unincorporated Loudoun County. Nothing else.

⚑ Your electric company

Depending on where you live in Unincorporated Loudoun County: Virginia Electric & Power Co. (company) or Northern Virginia Electric Co-op (co-op (owned by its members)).

Big data centers need a lot of power. Who pays for new power lines depends on state rules. See the rules in Virginia.

πŸ™‹ Open tasks here

  • Will this plan need a public hearing or a Board of Supervisors vote?
  • How much power and water would the four buildings need?
  • Will new power lines or a substation be needed?
  • When will the Board of Supervisors vote?
  • Where would the separate substation the company wants be built?
  • Who is the developer?
  • When will the plan return to the Planning Commission and the board?
  • Did the Board of Supervisors approve or deny the rezoning?
  • Who will use the data center?
  • How much power will it need, and from which substation?
  • Who will use the data center?
  • Has construction started?
  • What did supervisors decide on May 19, 2026?
  • Who will use the campus, and has construction started?
  • Will the Board of Supervisors vote on it, or will the developer withdraw?
  • Exactly where is the campus?
  • Has construction started?
  • Who are the tenants?

How to help β†’