Microsoft Blue Ridge (IAD11-12-13) Data Center
Approved · 41840 Growth Mindset Lane, Aldie, VA
Microsoft Blue Ridge (IAD11-12-13) Data Center is a Microsoft data center at 41840 Growth Mindset Lane in Aldie, Loudoun County. Microsoft filed plans for a 500,000 sq ft, $400M facility on 67 acres in the Arcola Business Park, identified in county documents as IAD11. Virginia DEQ air permit 74221, first approved in January 2022 and amended July 21, 2025, covers fifty-six 3,100 kW Caterpillar C175-16 emergency generators, three smaller gen-sets and a fire pump.
Overview
- Exact-site power
- Not disclosed
- No exact-site MW figure in cited sources.
- Status
- Approved
- Approved facility
- Site
- 67 acres
- Facility
- Project cost
- $400.0M
- Estimated construction cost in the cited project filing.
- Compute profile
- Hyperscale · Cloud
- Project scope
Power and grid
Facility and development
- Site area (acres)
- 67
- Construction
- Microsoft filed plans with Loudoun County for a 500,000 sq ft, $400M data center identified in county documents as IAD11, in the Arcola Business Park between two Amazon-owned parcels.
- Facility class
- Hyperscale · Cloud
- Air permits
- Virginia DEQ minor NSR permit, Registration No. 74221 (approved January 20, 2022; amended February 8, 2023, May 9, 2023 and July 21, 2025)