Former Mine site at 43.784, -88.400
Former MineFond du Lac County, Wisconsin · MISO
At a glance
Former Mine site at 43.784, -88.400 is a former mine datacenter candidate site in Fond du Lac County, Wisconsin, scoring 55.3/100 DC Readiness — 29th of 65 scored sites in the county. It sits in the MISO grid region and the WISCONSIN POWER & LIGHT CO 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 Former Mine site at 43.784, -88.400 compare with other sites in Fond du Lac County?
Former Mine site at 43.784, -88.400 ranks 29th of 65 scored candidate sites in Fond du Lac County. Its 55.3/100 is roughly in line with the county average of 56.3. It is roughly in line with 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 fiber connectivity (81 vs 67) and its weakest is power availability (30 vs 38). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Former Mine site at 43.784, -88.400 to power, fiber and other datacenters?
The nearest located transmission bottleneck is WEC34101_SUSSEX_36341_1 (MISO), 46 miles away. For connectivity, the nearest internet exchange facility is Ethoplex Edge DC - Fond du Lac at 5.8 miles. 6 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Ethoplex Edge DC - Fond du Lac, 5.8 miles away.
What are the flood, water and hazard risks at Former Mine site at 43.784, -88.400?
At the county level, FEMA's National Risk Index rates Fond du Lac 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 Fond du Lac County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| SOUTH FOND DE LAC | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 67.5 |
| NORTH FOND DU LAC | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 62.9 |
| FOREST | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 61.8 |
| RIENZI | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 61.7 |
| MARTIN ROAD | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 61.6 |
| OHMSTEAD | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 61.6 |
| TAP138007 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 61.6 |
| LEDGEVIEW | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 61.3 |
Former Mine site at 43.784, -88.400: common questions
What is the DC Readiness score of Former Mine site at 43.784, -88.400?
Former Mine site at 43.784, -88.400 scores 55.3/100 on the GridCensus DC Readiness scale, rated good. It ranks 29th of 65 scored sites in Fond du Lac County. The Fond du Lac County average is 56.3 and the Wisconsin average is 55.4.
Which electric utility serves Former Mine site at 43.784, -88.400?
WISCONSIN POWER & LIGHT CO (investor owned) holds the retail service territory that contains the site; its holding company is ALLIANT ENERGY CORP.
What grid region is Former Mine site at 43.784, -88.400 in?
Former Mine site at 43.784, -88.400 is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is Former Mine site at 43.784, -88.400 from an internet exchange?
The nearest internet exchange facility is Ethoplex Edge DC - Fond du Lac, about 5.8 miles away; 6 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, “Former Mine site at 43.784, -88.400, Fond du Lac County, WI”, https://gridcensus.com/datacenter-sites/wisconsin/fond-du-lac-county/mine-site-e076d5e0 (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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Every site and score for Former Mine site at 43.784, -88.400, Fond du Lac County is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.