Penzance data center off Route 50, Chantilly (Pleasant Valley area)

Penzance

Status: Approved by the Board of Supervisors, 8-1 (Jan 23, 2024)
Developer / parties: Penzance
Location: Chantilly (Route 50, Stonecroft Boulevard, Auto Park Circle), Fairfax County
Size: 402,000 sq ft data center up to 110 ft tall on 12.1 acres of a 79-acre parcel, 27 diesel generators (Connection Newspapers, Jan 2024). A county permit summary seen in search results gave a different square footage and was not opened, so treat size as to be verified
Reported benefits: Applicant proffers include Tier 4 generators, noise limits, LEED Silver target and the 67-acre dedication (Connection Newspapers)
Concerns / impacts: Pleasant Valley residents cited height, noise and environmental concerns (Connection Newspapers). At approval the end user and substation location had not been disclosed
Last verified: 2026-11-02

Milestones

Figures are attributed in parentheses to the outlet or company that reported them. Where sources disagree, we show both.

Jan 23 2024 Board approved the rezoning and special exception 8-1 with Supervisor Herrity voting no, 67 acres dedicated to the Park Authority as a Resource Protection Area (Connection Newspapers)

Related records

2024-01-23

Board of Supervisors News report Fairfax County · Penzance data center off Route 50, Chantilly (Pleasant Valley area)

Board approved Penzance's rezoning and special exception for a 402,000 sq ft data center off Route 50 in Chantilly, 8-1 (Supervisor Herrity opposed), with 67 acres dedicated to the Park Authority.

Source: m.connectionnewspapers.com ↗

Sources

News report m.connectionnewspapers.com
Official record fairfaxcounty.gov

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