Wisconsin Hyperscale Data Centers Cooling Systems
Sector: Data Center • Location: Wisconsin, United States
Source: Milwaukee Journal Sentinel
Hyperscale data centers proposed in Wisconsin plan to use closed-loop cooling systems where water circulates repeatedly to cool servers. This system minimizes water withdrawal and wastewater release compared to evaporative cooling but requires periodic flushing and water addition. Most data centers discharge water to municipal wastewater treatment plants regulated by the Wisconsin Department of Na
- Status
- Prospective
- Sector
- Data Center, Water Supply and Storage, Power Generation (CCGT), Government
- Location
- Wisconsin, United States of America
- Updated
- 22 Jul 2026
- Source
- Milwaukee Journal Sentinel
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Project Information
Participants
| Not available for this record. |
Status
Original status | planned |
Taiyo status | Prospective |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | Hyperscale data centers proposed in Wisconsin plan to use closed-loop cooling systems where water circulates repeatedly to cool servers. This system minimizes water withdrawal and wastewater release compared to evaporative cooling but requires periodic flushing and water addition. Most data centers discharge water to municipal wastewater treatment plants regulated by the Wisconsin Department of Natural Resources. Concerns exist about undisclosed cooling chemicals and potential PFAS contamination. Closed-loop systems use less direct water but more electricity, increasing indirect water use depending on the energy sources powering the grid. |
Original sector | Energy & Utilities |
Location
Country | United States of America (USA) |
State | Wisconsin |
Source
Source | Milwaukee Journal Sentinel |
URL |
More Details
Record type | Project |
Sector | Data Center, Water Supply and Storage, Power Generation (CCGT), Government |
Article published date | 2026-03-30 |
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