Former Mine site at 43.994, -88.118
Former MineCalumet County, Wisconsin · MISO
At a glance
Former Mine site at 43.994, -88.118 is a former mine datacenter candidate site in Calumet County, Wisconsin, scoring 50.4/100 DC Readiness — 32nd of 33 scored sites in the county. It sits in the MISO grid region and the WPPI ENERGY 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
Get alerts
Track Mine Site
Get an email when its DC-readiness score, available capacity, or interconnection-queue status changes.
How does Former Mine site at 43.994, -88.118 compare with other sites in Calumet County?
Former Mine site at 43.994, -88.118 ranks 32nd of 33 scored candidate sites in Calumet County. Its 50.4/100 is about 12% below the county average of 57.2. 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 natural hazard (78 vs 77) and its weakest is fiber connectivity (47 vs 67). 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 43.994, -88.118 to power, fiber and other datacenters?
The nearest located transmission bottleneck is WEC34101_SUSSEX_36341_1 (MISO), 59 miles away. For connectivity, the nearest internet exchange facility is ark data centers - Green Bay, WI at 18.6 miles. 5 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Involta DC, 18.4 miles away.
What are the flood, water and hazard risks at Former Mine site at 43.994, -88.118?
At the county level, FEMA's National Risk Index rates Calumet 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 Calumet County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| FOREST JUNCTION | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 66.9 |
| CYPRESS | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 66.3 |
| MEADOWS | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 63.0 |
| TAP139565 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 63.0 |
| LAKE PARK | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 63.0 |
| TAP139564 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 62.9 |
| EC Coal Calumet County | Greenfield | — | — | 4.3 yrs | 62.5 |
| MELISSA | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 62.1 |
Former Mine site at 43.994, -88.118: common questions
What is the DC Readiness score of Former Mine site at 43.994, -88.118?
Former Mine site at 43.994, -88.118 scores 50.4/100 on the GridCensus DC Readiness scale, rated fair. It ranks 32nd of 33 scored sites in Calumet County. The Calumet County average is 57.2 and the Wisconsin average is 55.4.
Which electric utility serves Former Mine site at 43.994, -88.118?
WPPI ENERGY (municipal mktg authority) holds the retail service territory that contains the site.
What grid region is Former Mine site at 43.994, -88.118 in?
Former Mine site at 43.994, -88.118 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 43.994, -88.118 from an internet exchange?
The nearest internet exchange facility is ark data centers - Green Bay, WI, about 18.6 miles away; 5 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 43.994, -88.118, Calumet County, WI”, https://gridcensus.com/datacenter-sites/wisconsin/calumet-county/mine-site-d728ca25 (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.
Go deeper than the public screen
Every site and score for Former Mine site at 43.994, -88.118, Calumet 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.