Lumen Madison 1 Data Center
Lumen Technologies. .
An operating Lumen Technologies data center site in Dane County, WI, mapped in OpenStreetMap and the IM3 Open Source Data Center Atlas.
Follow this project
One free email when Lumen Madison 1 Data Center changes status, a hearing is scheduled, or a comment deadline opens.
Unsubscribe with one click. We do not sell the list.
Buying or living near this site? Get an address report.
- Status
- Operator
- Lumen Technologies
- Location
- , Dane County, WI
- Size
- MW not reported
- Cooling
- Not reported
- Utility
- Not reported
- Last updated
- February 9, 2026
What happens next
The site is operating. A future expansion would show up here as a status change, or as a new project nearby.
Sources
- IM3 Open Source Data Center Atlas (v2026.02.09), Pacific Northwest National Laboratory, 2026-02-09
- OpenStreetMap, OpenStreetMap contributors, ODbL
What it would mean nearby
Transmission upgrades like this are typically billed to every electric customer in the state through transmission charges, not just to the data center that made the new line necessary, which is why the cost allocation question matters for ordinary bills even outside the four counties involved.
For how far this is from your own address, check it here. For a noise, water, and power bill estimate for one address, see the address report.
Common questions
Where is the Lumen Madison 1 data center?
It is in Dane County, WI.
Is it near you?
Corrections and tips: use the address in the footer. We link every claim to its source.