Site 18 (Round Lake
IndustrialSt. Croix County, Wisconsin · MISO
At a glance
Site 18 (Round Lake is an industrial datacenter candidate site in St. Croix County, Wisconsin, scoring 48.8/100 DC Readiness — 38th of 38 scored sites in the county. It sits in the MISO grid region and the ST CROIX ELECTRIC COOP service territory, where interconnection has averaged 4.3 years from request to operation.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Enterprise Zone tax credits; TIF available for DC construction in eligible areas.
Site location
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How does Site 18 (Round Lake compare with other sites in St. Croix County?
Site 18 (Round Lake ranks 38th of 38 scored candidate sites in St. Croix County. Its 48.8/100 is about 13% below the county average of 56.2. It is about 12% below the Wisconsin average of 55.4 and roughly in line with the national average of 53.2.
Against the Wisconsin average, its strongest sub-score is natural hazard (78 vs 77) and its weakest is fiber connectivity (34 vs 67). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Site 18 (Round Lake to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is H5 Data Centers Minneapolis at 33.4 miles. 13 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is West Wisconsin Telcom DC, 29 miles away.
What are the flood, water and hazard risks at Site 18 (Round Lake?
At the county level, FEMA's National Risk Index rates St. Croix County "Relatively Low".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in St. Croix County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN132588 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 60.0 |
| UNKNOWN132591 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 59.7 |
| TAP139645 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 59.7 |
| TAP143561 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.3 |
| TAP143562 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.2 |
| TAP171668 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 57.7 |
| UNKNOWN171713 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 57.6 |
| TAP171670 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 57.6 |
Site 18 (Round Lake: common questions
What is the DC Readiness score of Site 18 (Round Lake?
Site 18 (Round Lake scores 48.8/100 on the GridCensus DC Readiness scale, rated fair. It ranks 38th of 38 scored sites in St. Croix County. The St. Croix County average is 56.2 and the Wisconsin average is 55.4.
Which electric utility serves Site 18 (Round Lake?
ST CROIX ELECTRIC COOP (not available) holds the retail service territory that contains the site.
What grid region is Site 18 (Round Lake in?
Site 18 (Round Lake is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is Site 18 (Round Lake from an internet exchange?
The nearest internet exchange facility is H5 Data Centers Minneapolis, about 33.4 miles away; 13 fiber providers report service at the location.
Related pages
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Site 18 (Round Lake, St. Croix County, WI”, https://gridcensus.com/datacenter-sites/wisconsin/st-croix-county/site-18-round-lake-38a73663 (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
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