Approved, not built yet
CoreWeave data center at Digital Crossroads, Hammond
Also called: Data Center Peninsula, Digital Crossroad
Decennial Group plans a 450,000 square foot, 180 megawatt data center for AI company CoreWeave on the old State Line power plant site in Hammond. The city calls it the biggest project in its history, about $7 billion including computer equipment.
Where things stand: City approved the development agreement in June 2025. Completion targeted for end of 2028.
🕒 Latest update (Sept 29, 2025): The mayor said the $7 billion project was moving forward after NIPSCO got state approval for its GenCo.
What we know
- 📍 Where301 Digital Crossroads Drive (former State Line power plant site), Hammond, Lake County
- 🏢 CompanyDecennial Group
- 👤 Built forCoreWeave
- 🌳 Size25 acres
- ⚡ Power it needs180 megawatts (about as much as 144,000 homes)
- 🔌 Where the power comes fromNIPSCO power deal (through its new GenCo company).
- 💵 Cost$7 billion
❓ Still unanswered
Nobody has answered these in public yet. Can you help find out?
- How much water will the Hammond data center use? 🙋 I'll find out
- How many diesel generators are planned? 🙋 I'll find out
- Has construction started? 🙋 I'll find out
What happened so far
- June 9, 2025Hammond City Council voted 8-0 for the development agreement.
- Sept 29, 2025The mayor said the $7 billion project was moving forward after NIPSCO got state approval for its GenCo.
🛰️ See it from above
An aerial photo of the area.
We only know the town, so this shows the town center, not the exact site. Photos: USGS The National Map.
Where this comes from
- Hammond Approves Development Agreement for New Data Center · City of Hammond · June 9, 2025
- Plans for $7 billion data center moving forward, Hammond mayor says · Inside Indiana Business · Sept 29, 2025
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