Compass Datacenters campus at former Sears headquarters (Hoffman Estates)
Compass is building five large data centers on the former Sears headquarters site in Hoffman Estates, a project valued at about $10 billion. A new substation and power lines are being built to serve it.
Where things stand: Old Sears offices were torn down by July 2025. Walls for the first two of five buildings were going up in Dec. 2025.
🕒 Latest update (Dec 2025): Village issued permits; walls for the first two data center buildings went up.
What we know
- 📍 Where3333 Beverly Road (former Sears headquarters site), Hoffman Estates, Cook County
- 🏢 CompanyCompass Datacenters
- 🌳 Size273 acres
- 🔌 Where the power comes fromComEd; a new electrical substation is being built for the site.
- 🗼 New power linesYes
- 💵 Cost$10 billion
❓ Still unanswered
Nobody has answered these in public yet. Can you help find out?
- How many megawatts will the campus use? 🙋 I'll find out
- How much water will it use per day? 🙋 I'll find out
- How many diesel backup generators will it have? 🙋 I'll find out
- Which company will use the data centers? 🙋 I'll find out
What happened so far
- Sept 2023Compass closed on buying the former Sears headquarters for $194 million.
- July 2025Demolition of the 2.4-million-square-foot Sears building was finished.
- Dec 2025Village issued permits; walls for the first two data center buildings went up.
Local votes and rules
✋ Turned down
The village plan commission voted 4-2 against recommending a rezoning of the 186-acre Plum Farms land to manufacturing, which would have allowed a Karis Critical data center. The developer then withdrew the request before the village board voted.
An aerial photo of the area.
Where this comes from
- Suburban Chicago welcomes Compass Datacenters' major hyperscale development on legacy Sears HQ site · Data Center Frontier · 2024
- Demolition of massive former Sears HQ in Hoffman Estates reaches completion · Daily Herald · July 23, 2025
- After Sears teardown, walls are going up for Hoffman Estates data center campus · Daily Herald · Dec 8, 2025
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