Microsoft files development application for two-building data center campus in Union City, Georgia

Type: Development · Technology: Data Center · Country: United States · Announced: 2026-09-17

Microsoft has filed a Developments of Regional Impact application with the Georgia Department of Community Affairs for its ATL50 project, a two-building data center campus totaling 910,000 square feet on an 88-acre parcel at 5235 Stonewall Tell Road in Union City, southwest of Atlanta in Fulton County. The site is slated to launch in 2032. Microsoft is also developing a separate project on the north side of South Fulton Parkway at 4810 Stonewall Tell Road in partnership with EdgeConneX, reportedly totaling 324MW across 2.1 million square feet. The company maintains a major presence across Georgia, with existing sites in Fairburn, Douglasville, Palmetto, Rome, East Point, and Tyrone. The filing marks Microsoft's expanding footprint in the Union City area as part of its broader data center expansion strategy.

Analysis

Microsoft filed a Developments of Regional Impact application with the Georgia Department of Community Affairs for its ATL50 project, a two‑building data center campus of 910,000 square feet on an 88‑acre parcel at 5235 Stonewall Tell Road in Union City, Fulton County, with a planned launch in 2032. Microsoft already operates data center sites in Fairburn, Douglasville, Palmetto, Rome, East Point and Tyrone, Georgia. EdgeConneX is partnering with Microsoft on a separate project at 4810 Stonewall Tell Road on the north side of South Fulton Parkway, reported to total 324 MW across 2.1 million square feet. The ATL50 filing was announced on September 17 2026 and is currently under regulatory review.

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